SlideShare uma empresa Scribd logo
1 de 48
Chapter 7
Types of Storage




Discovering
    Computers 2012
     Your Interactive Guide
      to the Digital World
Objectives Overview

                                                        Describe the characteristics of
                                                        an internal hard disk including
             Differentiate between storage               capacity, platters, read/write
              devices and storage media                  heads, cylinders, sectors and
                                                        tracks, revolutions per minute,
                                                         transfer rate, and access time



           Discuss the purpose of network
              attached storage devices,                  Describe the various types of
            external and removable hard                     flash memory storage
           disks, and hard disk controllers


See Page 351                                                                              2
for Detailed Objectives           Discovering Computers 2012: Chapter 7
Objectives Overview

              Describe cloud storage                      Describe the
                 and explain its                     characteristics of optical
                   advantages                                 discs



               Differentiate among                  Identify the uses of tape,
             various types of optical                 magnetic stripe cards,
             discs: CDs, archive discs               smart cards, microfilm
             and Picture CDs, DVDs,                    and microfiche, and
                and Blu-ray Discs                       enterprise storage
See Page 351                                                                      3
for Detailed Objectives        Discovering Computers 2012: Chapter 7
Storage


  Storage holds data, instructions, and
  information for future use

  A storage medium is the physical
  material on which a computer keeps
  data, instructions, and information
Pages 352 - 353                                           4
                  Discovering Computers 2012: Chapter 7
Storage




Pages 352 – 353                                           5
                  Discovering Computers 2012: Chapter 7
Figure 7-1
Storage

• Capacity is the number of bytes a storage medium
  can hold




Page 354                                                  6
                  Discovering Computers 2012: Chapter 7
Figure 7-2
Storage

• A storage device is the computer hardware that
  records and/or retrieves items to and from
  storage media
                    Reading is the process
                    of transferring items
                    from a storage medium
                    into memory

                              Writing is the process of
                              transferring items from
                              memory to a storage
                              medium
Page 354                                                  7
                  Discovering Computers 2012: Chapter 7
Storage

    • Access time measures:
             – The amount of time it
               takes a storage device to
               locate an item on a
               storage medium
             – The time required to
               deliver an item from
               memory to the
               processor



Page 355                                                                8
                                Discovering Computers 2012: Chapter 7
Figure 7-4
Hard Disks

• A hard disk contains one or more inflexible, circular platters
  that use magnetic particles to store data, instructions, and
  information




Page 355                                                           9
                        Discovering Computers 2012: Chapter 7
Figure 7-5
Hard Disks

• Hard disks can
  store data using
  longitudinal
  recording or
  perpendicular
  recording




Page 356                                                     10
                     Discovering Computers 2012: Chapter 7
Figure 7-6
Hard Disks

• Characteristics of a hard disk
  include:
                                          Read/Write
   Capacity             Platters
                                            Heads


                   Sectors and            Revolutions
   Cylinders
                     Tracks               per Minute


             Transfer
                              Access Time
               Rate

Page 357                                                                   11
                                   Discovering Computers 2012: Chapter 7
Figure 7-8
Hard Disks

• Formatting is the process of dividing the disk into tracks
  and sectors so that the operating system can store and
  locate data and information on the disk




Page 357                                                       12
                      Discovering Computers 2012: Chapter 7
Figure 7-7
Hard Disks




Page 358                                             13
             Discovering Computers 2012: Chapter 7
Figure 7-9
Hard Disks

    • The hard disk arms
      move the read/write
      head, which reads items
      and writes items in the
      drive
              – Location often is
                referred to by its
                cylinder




Page 358                                                                     14
                                     Discovering Computers 2012: Chapter 7
Figure 7-10
Hard Disks

• A head crash occurs when a read/write head
  touches the surface of a platter
• Always keep a backup of your hard disk




Pages 358 – 359                                           15
                  Discovering Computers 2012: Chapter 7
Figure 7-11
Hard Disks




Page 359                                              16
              Discovering Computers 2012: Chapter 7
Figure 7-12
Hard Disks

• RAID (redundant array of independent disks) is a
  group of two or more integrated hard disks
• A network attached storage (NAS) device is a
  server connected to a network with the sole
  purpose of providing storage




Page 360                                                   17
                   Discovering Computers 2012: Chapter 7
Figure 7-13
Hard Disks

                      An external hard disk is a separate free-
                      standing hard disk that connects to your
                      computer with a cable or wirelessly

                      A removable hard disk is a hard disk that
                      you insert and remove from a drive


                      Internal and external hard disks are available
                      in miniature sizes (miniature hard disks)
Pages 360 – 361                                                       18
Figures 7-14 – 7-15           Discovering Computers 2012: Chapter 7
Hard Disks

• A disk controller consists of a special-purpose chip and
  electronic circuits that control the transfer of data,
  instructions, and information from a disk to and from the
  system bus and other components of the computer

                  SATA                        EIDE

                  SCSI                         SAS
Pages 361 - 362                                              19
                     Discovering Computers 2012: Chapter 7
Flash Memory Storage

• Flash memory chips are a type of solid state
  media and contain no moving parts
• Solid state drives (SSDs) have several advantages
  over magnetic hard disks:


                                                     Generate less heat and
   Faster access time   Faster transfer rates                                 Last longer
                                                      consume less power




Pages 362 - 363                                                                             20
                                 Discovering Computers 2012: Chapter 7
Flash Memory Storage




Page 363                                              21
              Discovering Computers 2012: Chapter 7
Figure 7-17
Flash Memory Storage

• A memory card is a removable flash memory
  device that you insert and remove from a slot in a
  computer, mobile device, or card reader/writer
                                          Secure Digital
CompactFlash   Secure Digital
                                          High Capacity        microSD
   (CF)            (SD)
                                             (SDHC)


                xD Picture                                   Memory Stick
   microSDHC                              Memory Stick
                  Card                                        Micro (M2)

Page 364                                                                 22
                     Discovering Computers 2012: Chapter 7
Flash Memory Storage




Pages 364 – 365                                               23
Figures 7-18 – 7-19   Discovering Computers 2012: Chapter 7
Flash Memory Storage




Page 366                                              24
              Discovering Computers 2012: Chapter 7
Figure 7-20
Flash Memory Storage

• USB flash drives plug into a USB port on a
  computer or mobile device




Page 367                                                   25
                   Discovering Computers 2012: Chapter 7
Figure 7-21
Video: Thumb Drive (USB Flash
Drive) Encryption




                       CLICK TO START

                                                       26
               Discovering Computers 2012: Chapter 7
Flash Memory Storage

    • An ExpressCard module
      is a removable device
      that fits in an
      ExpressCard slot
    • Developed by the
      PCMCIA
    • Commonly used in
      notebook computers



Page 367                                                     27
                     Discovering Computers 2012: Chapter 7
Figure 7-22
Cloud Storage

• Cloud storage is an Internet service that provides
  storage to computer users




Page 368                                                   28
                   Discovering Computers 2012: Chapter 7
Figure 7-23
Cloud Storage




Page 368                                                29
                Discovering Computers 2012: Chapter 7
Figure 7-24
Cloud Storage

• Users subscribe to cloud storage for a variety of
  reasons:
            Access files from any computer

            Store large files instantaneously

            Allow others to access their files

            View time-critical data and images immediately

            Store offsite backups

            Provide data center functions

Page 369                                                      30
                      Discovering Computers 2012: Chapter 7
Optical Discs

• An optical disc consists of a flat, round, portable
  disc made of metal, plastic, and lacquer that is
  written and read by a laser
• Typically store software, data, digital photos,
  movies, and music
• Read only vs. rewritable



Page 370                                                    31
                    Discovering Computers 2012: Chapter 7
Figure 7-25
Optical Discs




Page 370                                                32
                Discovering Computers 2012: Chapter 7
Figure 7-26
Optical Discs

    • Optical discs commonly
      store items in a single
      track that spirals from
      the center of the disc to
      the edge
    • Track is divided into
      evenly sized sectors




Page 371                                                        33
                        Discovering Computers 2012: Chapter 7
Figure 7-27
Optical Discs

• Care of optical discs




Page 371                                                    34
                    Discovering Computers 2012: Chapter 7
Figure 7-28
Optical Discs

                  A CD-ROM can be read from but not written to
                  • Read from a CD-ROM drive or CD-ROM player




                  A CD-R is a multisession optical disc on which
                  users can write, but not erase

                  A CD-RW is an erasable multisession disc
                  • Must have a CD-RW drive


Pages 372 – 373                                                     35
                            Discovering Computers 2012: Chapter 7
Figure 7-29
Optical Discs

           Archive disc                                           Picture CD

• Stores photos from an                          • Single-session CD-ROM
  online photo center                              that stores digital
• Resolution usually is                            versions of film
  7200 pixels per photo                          • Typically uses a 1024 x
• Cost is determined by                            1536 resolution
  the number of photos                           • Many photo centers
  being stored                                     offer Picture CD
                                                   services

Page 374                                                                       36
                          Discovering Computers 2012: Chapter 7
Optical Discs




Page 374                                                37
                Discovering Computers 2012: Chapter 7
Figure 7-31
Optical Discs

                  A DVD-ROM is a high-capacity optical disc on
                  which users can read but not write or erase
                  • Requires a DVD-ROM drive


                  A Blu-ray Disc-ROM (BD-ROM) has a storage
                  capacity of 100 GB


                  DVD-RW, DVD+RW, and DVD+RAM are high-
                  capacity rewritable DVD formats

Pages 375 – 376                                                     38
                            Discovering Computers 2012: Chapter 7
Figure 7-29
Other Types of Storage




Page 376                                              39
              Discovering Computers 2012: Chapter 7
Other Types of Storage

• Tape is a magnetically coated ribbon of plastic capable of
  storing large amounts of data and information
• A tape drive reads and writes data and information on a
  tape




Page 376                                                      40
                      Discovering Computers 2012: Chapter 7
Figure 7-35
Other Types of Storage

    • A magnetic stripe card
      contains a magnetic
      stripe that stores
      information
    • A smart card stores
      data on a thin
      microprocessor
      embedded in the card



Page 377                                                      41
                      Discovering Computers 2012: Chapter 7
Figure 7-36
Other Types of Storage

• Microfilm and microfiche store microscopic
  images of documents on a roll or sheet film




Page 378                                                  42
                  Discovering Computers 2012: Chapter 7
Figure 7-37
Other Types of Storage




Page 378                                              43
              Discovering Computers 2012: Chapter 7
Figure 7-38
Other Types of Storage

• Enterprise storage stores huge volumes of data
  and information for large businesses
       – Uses special hardware for heavy use, maximum
         availability, and maximum efficiency




Page 379                                                        44
                        Discovering Computers 2012: Chapter 7
Figure 7-39
Putting It All Together




              Home user       Small Office/Home Office                         Mobile
     • 500 GB hard disk                  user                       • 250 GB hard disk
     • Cloud storage        • 1 TB hard disk                        • Cloud storage
     • Optical disc drive   • Cloud storage                         • Optical disc drive
     • Card reader/writer   • Optical disc drive                    • Card reader/writer
     • USB flash drive      • External hard disk for                • Portable hard disk for
                            backup                                  backup
                            • USB flash drive                       • USB flash drive


Page 380                                                                                       45
                            Discovering Computers 2012: Chapter 7
Figure 7-40
Putting It All Together




              Power User              Enterprise User                        Enterprise User
     • 2.5 TB hard disk             (desktop computer)                    (server or mainframe)
     • Cloud storage            • 1 TB hard disk                        • Network storage server
     • Optical disc drive       • Optical disc drive                    • 40 TB hard disk system
     • Portable hard disk for   • Smart card reader                     • Optical disc server
     backup                     • Tape drive                            • Microfilm or microfiche
     • USB flash drive          • USB flash drive



Page 380                                                                                            46
                                Discovering Computers 2012: Chapter 7
Figure 7-40
Summary



                                                  Internal hard disks, external and
                                                  removable hard disks, solid state
                                                  drives, memory cards, USB flash
      Various storage media and
                                                    drives, ExpressCard modules,
           storage devices
                                                    cloud storage, CDs, DVDs, and
                                                   Blu-ray Discs, tape, smart cards,
                                                    and microfilm and microfiche




Page 381                                                                           47
                           Discovering Computers 2012: Chapter 7
Chapter 7
Types of Storage




Discovering
    Computers 2012
     Your Interactive Guide
      to the Digital World
    Chapter 7 Complete

Mais conteúdo relacionado

Mais procurados

Types of software
Types of softwareTypes of software
Types of softwarelatifah2001
 
Computer memory
Computer memoryComputer memory
Computer memoryJayapal Jp
 
Discovering Computers: Chapter 06
Discovering Computers: Chapter 06Discovering Computers: Chapter 06
Discovering Computers: Chapter 06Anna Stirling
 
Defragmentation.46
Defragmentation.46Defragmentation.46
Defragmentation.46myrajendra
 
Operating systems Basics
Operating systems BasicsOperating systems Basics
Operating systems BasicsSherif Mousa
 
Discovering Computers: Chapter 10
Discovering Computers: Chapter 10Discovering Computers: Chapter 10
Discovering Computers: Chapter 10Anna Stirling
 
Windows 10 Main User Interface (UI)
Windows 10 Main User Interface (UI) Windows 10 Main User Interface (UI)
Windows 10 Main User Interface (UI) Tona Sam
 
Computer peripheral or Peripheral Devices
Computer peripheral or Peripheral Devices Computer peripheral or Peripheral Devices
Computer peripheral or Peripheral Devices Adarsh Kumar Yadav
 
Types of Operating System
Types of Operating SystemTypes of Operating System
Types of Operating SystemHemant Raj
 
Computer components
Computer componentsComputer components
Computer componentshony-1
 
software system_and_application_software
software system_and_application_softwaresoftware system_and_application_software
software system_and_application_softwareTallat Satti
 
Operating Systems Basics
Operating Systems BasicsOperating Systems Basics
Operating Systems Basicsnishantsri
 

Mais procurados (20)

System Unit
System UnitSystem Unit
System Unit
 
Types of Computer
Types of ComputerTypes of Computer
Types of Computer
 
Types of software
Types of softwareTypes of software
Types of software
 
COMPUTER STORAGE
COMPUTER STORAGECOMPUTER STORAGE
COMPUTER STORAGE
 
Computer memory
Computer memoryComputer memory
Computer memory
 
Operating system
Operating systemOperating system
Operating system
 
Discovering Computers: Chapter 06
Discovering Computers: Chapter 06Discovering Computers: Chapter 06
Discovering Computers: Chapter 06
 
Defragmentation.46
Defragmentation.46Defragmentation.46
Defragmentation.46
 
Operating systems Basics
Operating systems BasicsOperating systems Basics
Operating systems Basics
 
Computer Memory
Computer MemoryComputer Memory
Computer Memory
 
Discovering Computers: Chapter 10
Discovering Computers: Chapter 10Discovering Computers: Chapter 10
Discovering Computers: Chapter 10
 
Windows 10 Main User Interface (UI)
Windows 10 Main User Interface (UI) Windows 10 Main User Interface (UI)
Windows 10 Main User Interface (UI)
 
Computer peripheral or Peripheral Devices
Computer peripheral or Peripheral Devices Computer peripheral or Peripheral Devices
Computer peripheral or Peripheral Devices
 
secondary storage devices
secondary storage devicessecondary storage devices
secondary storage devices
 
Types of Operating System
Types of Operating SystemTypes of Operating System
Types of Operating System
 
Computer components
Computer componentsComputer components
Computer components
 
System unit
System unitSystem unit
System unit
 
Windows 7 installation ppt
Windows 7 installation pptWindows 7 installation ppt
Windows 7 installation ppt
 
software system_and_application_software
software system_and_application_softwaresoftware system_and_application_software
software system_and_application_software
 
Operating Systems Basics
Operating Systems BasicsOperating Systems Basics
Operating Systems Basics
 

Semelhante a CH07-Types of Storage

Semelhante a CH07-Types of Storage (20)

Chapter 07
Chapter 07Chapter 07
Chapter 07
 
Storage
StorageStorage
Storage
 
Topic 5 storage component
Topic 5   storage componentTopic 5   storage component
Topic 5 storage component
 
CSC1100 - Chapter05 - Storage
CSC1100 - Chapter05 - StorageCSC1100 - Chapter05 - Storage
CSC1100 - Chapter05 - Storage
 
Chapter 8 Digital Storage
Chapter 8 Digital StorageChapter 8 Digital Storage
Chapter 8 Digital Storage
 
Ex chapter7 questions
Ex chapter7   questionsEx chapter7   questions
Ex chapter7 questions
 
Chapter07
Chapter07Chapter07
Chapter07
 
Week 5
Week 5Week 5
Week 5
 
BAIT1003 Chapter 5
BAIT1003 Chapter 5BAIT1003 Chapter 5
BAIT1003 Chapter 5
 
Chapter 04 storage csc & tts
Chapter 04 storage csc & ttsChapter 04 storage csc & tts
Chapter 04 storage csc & tts
 
Discovering computer 2012
Discovering computer 2012Discovering computer 2012
Discovering computer 2012
 
Chapter07
Chapter07Chapter07
Chapter07
 
Storage_Devices-WPS_Office.pptx
Storage_Devices-WPS_Office.pptxStorage_Devices-WPS_Office.pptx
Storage_Devices-WPS_Office.pptx
 
Chapter 04
Chapter 04Chapter 04
Chapter 04
 
Secondarystoragedevice
SecondarystoragedeviceSecondarystoragedevice
Secondarystoragedevice
 
Computer storage
Computer storageComputer storage
Computer storage
 
1.1 storage device
1.1  storage device1.1  storage device
1.1 storage device
 
Secondary memory
Secondary memorySecondary memory
Secondary memory
 
seminar.pdf
seminar.pdfseminar.pdf
seminar.pdf
 
Chapter07
Chapter07Chapter07
Chapter07
 

Mais de Sukanya Ben

[GE207] Session03: Digital Technology Trends
[GE207] Session03: Digital Technology Trends[GE207] Session03: Digital Technology Trends
[GE207] Session03: Digital Technology TrendsSukanya Ben
 
[GE207] Session02: Digital Transformation
[GE207] Session02: Digital Transformation[GE207] Session02: Digital Transformation
[GE207] Session02: Digital TransformationSukanya Ben
 
[Ge207] Digital Technology Outline
[Ge207] Digital Technology Outline[Ge207] Digital Technology Outline
[Ge207] Digital Technology OutlineSukanya Ben
 
TQF03_DigitalTechnology
TQF03_DigitalTechnologyTQF03_DigitalTechnology
TQF03_DigitalTechnologySukanya Ben
 
[GE207] Session01: Introduction to Digital Technology
[GE207] Session01: Introduction to Digital Technology[GE207] Session01: Introduction to Digital Technology
[GE207] Session01: Introduction to Digital TechnologySukanya Ben
 
[GE207] Prototyping
[GE207] Prototyping[GE207] Prototyping
[GE207] PrototypingSukanya Ben
 
MIS-CH15: Managing Global Systems
MIS-CH15: Managing Global SystemsMIS-CH15: Managing Global Systems
MIS-CH15: Managing Global SystemsSukanya Ben
 
MIS-CH14: Managing Projects
MIS-CH14: Managing ProjectsMIS-CH14: Managing Projects
MIS-CH14: Managing ProjectsSukanya Ben
 
MIS-CH13: Building Information Systems
MIS-CH13: Building Information SystemsMIS-CH13: Building Information Systems
MIS-CH13: Building Information SystemsSukanya Ben
 
MIS-CH12: Enhancing Decision Making
MIS-CH12: Enhancing Decision MakingMIS-CH12: Enhancing Decision Making
MIS-CH12: Enhancing Decision MakingSukanya Ben
 
MIS-CH11: Managing Knowledge
MIS-CH11: Managing KnowledgeMIS-CH11: Managing Knowledge
MIS-CH11: Managing KnowledgeSukanya Ben
 
MIS-CH10: e-Commerce: Digital Markets, Digital Goods
MIS-CH10: e-Commerce: Digital Markets, Digital GoodsMIS-CH10: e-Commerce: Digital Markets, Digital Goods
MIS-CH10: e-Commerce: Digital Markets, Digital GoodsSukanya Ben
 
MIS-CH9: Achieving Operational Excellence and Customer Intimacy
MIS-CH9: Achieving Operational Excellence and Customer IntimacyMIS-CH9: Achieving Operational Excellence and Customer Intimacy
MIS-CH9: Achieving Operational Excellence and Customer IntimacySukanya Ben
 
MIS-CH08: Securing Information Systems
MIS-CH08: Securing Information SystemsMIS-CH08: Securing Information Systems
MIS-CH08: Securing Information SystemsSukanya Ben
 
MIS-CH07: Telecommunications, the Internet, and Wireless Technology
MIS-CH07: Telecommunications, the Internet, and Wireless TechnologyMIS-CH07: Telecommunications, the Internet, and Wireless Technology
MIS-CH07: Telecommunications, the Internet, and Wireless TechnologySukanya Ben
 
MIS-CH6: Foundation of BUsiness Intelligence: Databases & IS
MIS-CH6: Foundation of BUsiness Intelligence: Databases & ISMIS-CH6: Foundation of BUsiness Intelligence: Databases & IS
MIS-CH6: Foundation of BUsiness Intelligence: Databases & ISSukanya Ben
 
MIS-CH05: IT Infrastructure and Emerging Technologies
MIS-CH05: IT Infrastructure and Emerging TechnologiesMIS-CH05: IT Infrastructure and Emerging Technologies
MIS-CH05: IT Infrastructure and Emerging TechnologiesSukanya Ben
 
MIS-CH04: Ethical and Social Issues in INformation Systems
MIS-CH04: Ethical and Social Issues in INformation SystemsMIS-CH04: Ethical and Social Issues in INformation Systems
MIS-CH04: Ethical and Social Issues in INformation SystemsSukanya Ben
 
MIS-CH01: Information Systems, Organization, and Strategy
MIS-CH01: Information Systems, Organization, and StrategyMIS-CH01: Information Systems, Organization, and Strategy
MIS-CH01: Information Systems, Organization, and StrategySukanya Ben
 
MIS-CH02: Global e-Business and Collaboration
MIS-CH02: Global e-Business and CollaborationMIS-CH02: Global e-Business and Collaboration
MIS-CH02: Global e-Business and CollaborationSukanya Ben
 

Mais de Sukanya Ben (20)

[GE207] Session03: Digital Technology Trends
[GE207] Session03: Digital Technology Trends[GE207] Session03: Digital Technology Trends
[GE207] Session03: Digital Technology Trends
 
[GE207] Session02: Digital Transformation
[GE207] Session02: Digital Transformation[GE207] Session02: Digital Transformation
[GE207] Session02: Digital Transformation
 
[Ge207] Digital Technology Outline
[Ge207] Digital Technology Outline[Ge207] Digital Technology Outline
[Ge207] Digital Technology Outline
 
TQF03_DigitalTechnology
TQF03_DigitalTechnologyTQF03_DigitalTechnology
TQF03_DigitalTechnology
 
[GE207] Session01: Introduction to Digital Technology
[GE207] Session01: Introduction to Digital Technology[GE207] Session01: Introduction to Digital Technology
[GE207] Session01: Introduction to Digital Technology
 
[GE207] Prototyping
[GE207] Prototyping[GE207] Prototyping
[GE207] Prototyping
 
MIS-CH15: Managing Global Systems
MIS-CH15: Managing Global SystemsMIS-CH15: Managing Global Systems
MIS-CH15: Managing Global Systems
 
MIS-CH14: Managing Projects
MIS-CH14: Managing ProjectsMIS-CH14: Managing Projects
MIS-CH14: Managing Projects
 
MIS-CH13: Building Information Systems
MIS-CH13: Building Information SystemsMIS-CH13: Building Information Systems
MIS-CH13: Building Information Systems
 
MIS-CH12: Enhancing Decision Making
MIS-CH12: Enhancing Decision MakingMIS-CH12: Enhancing Decision Making
MIS-CH12: Enhancing Decision Making
 
MIS-CH11: Managing Knowledge
MIS-CH11: Managing KnowledgeMIS-CH11: Managing Knowledge
MIS-CH11: Managing Knowledge
 
MIS-CH10: e-Commerce: Digital Markets, Digital Goods
MIS-CH10: e-Commerce: Digital Markets, Digital GoodsMIS-CH10: e-Commerce: Digital Markets, Digital Goods
MIS-CH10: e-Commerce: Digital Markets, Digital Goods
 
MIS-CH9: Achieving Operational Excellence and Customer Intimacy
MIS-CH9: Achieving Operational Excellence and Customer IntimacyMIS-CH9: Achieving Operational Excellence and Customer Intimacy
MIS-CH9: Achieving Operational Excellence and Customer Intimacy
 
MIS-CH08: Securing Information Systems
MIS-CH08: Securing Information SystemsMIS-CH08: Securing Information Systems
MIS-CH08: Securing Information Systems
 
MIS-CH07: Telecommunications, the Internet, and Wireless Technology
MIS-CH07: Telecommunications, the Internet, and Wireless TechnologyMIS-CH07: Telecommunications, the Internet, and Wireless Technology
MIS-CH07: Telecommunications, the Internet, and Wireless Technology
 
MIS-CH6: Foundation of BUsiness Intelligence: Databases & IS
MIS-CH6: Foundation of BUsiness Intelligence: Databases & ISMIS-CH6: Foundation of BUsiness Intelligence: Databases & IS
MIS-CH6: Foundation of BUsiness Intelligence: Databases & IS
 
MIS-CH05: IT Infrastructure and Emerging Technologies
MIS-CH05: IT Infrastructure and Emerging TechnologiesMIS-CH05: IT Infrastructure and Emerging Technologies
MIS-CH05: IT Infrastructure and Emerging Technologies
 
MIS-CH04: Ethical and Social Issues in INformation Systems
MIS-CH04: Ethical and Social Issues in INformation SystemsMIS-CH04: Ethical and Social Issues in INformation Systems
MIS-CH04: Ethical and Social Issues in INformation Systems
 
MIS-CH01: Information Systems, Organization, and Strategy
MIS-CH01: Information Systems, Organization, and StrategyMIS-CH01: Information Systems, Organization, and Strategy
MIS-CH01: Information Systems, Organization, and Strategy
 
MIS-CH02: Global e-Business and Collaboration
MIS-CH02: Global e-Business and CollaborationMIS-CH02: Global e-Business and Collaboration
MIS-CH02: Global e-Business and Collaboration
 

Último

PISA-VET launch_El Iza Mohamedou_19 March 2024.pptx
PISA-VET launch_El Iza Mohamedou_19 March 2024.pptxPISA-VET launch_El Iza Mohamedou_19 March 2024.pptx
PISA-VET launch_El Iza Mohamedou_19 March 2024.pptxEduSkills OECD
 
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdfMaximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdfTechSoup
 
How to Make a Field read-only in Odoo 17
How to Make a Field read-only in Odoo 17How to Make a Field read-only in Odoo 17
How to Make a Field read-only in Odoo 17Celine George
 
Benefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive EducationBenefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive EducationMJDuyan
 
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...Nguyen Thanh Tu Collection
 
The Stolen Bacillus by Herbert George Wells
The Stolen Bacillus by Herbert George WellsThe Stolen Bacillus by Herbert George Wells
The Stolen Bacillus by Herbert George WellsEugene Lysak
 
Presentation on the Basics of Writing. Writing a Paragraph
Presentation on the Basics of Writing. Writing a ParagraphPresentation on the Basics of Writing. Writing a Paragraph
Presentation on the Basics of Writing. Writing a ParagraphNetziValdelomar1
 
Quality Assurance_GOOD LABORATORY PRACTICE
Quality Assurance_GOOD LABORATORY PRACTICEQuality Assurance_GOOD LABORATORY PRACTICE
Quality Assurance_GOOD LABORATORY PRACTICESayali Powar
 
Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.raviapr7
 
The basics of sentences session 10pptx.pptx
The basics of sentences session 10pptx.pptxThe basics of sentences session 10pptx.pptx
The basics of sentences session 10pptx.pptxheathfieldcps1
 
How to Use api.constrains ( ) in Odoo 17
How to Use api.constrains ( ) in Odoo 17How to Use api.constrains ( ) in Odoo 17
How to Use api.constrains ( ) in Odoo 17Celine George
 
Philosophy of Education and Educational Philosophy
Philosophy of Education  and Educational PhilosophyPhilosophy of Education  and Educational Philosophy
Philosophy of Education and Educational PhilosophyShuvankar Madhu
 
How to Solve Singleton Error in the Odoo 17
How to Solve Singleton Error in the  Odoo 17How to Solve Singleton Error in the  Odoo 17
How to Solve Singleton Error in the Odoo 17Celine George
 
5 charts on South Africa as a source country for international student recrui...
5 charts on South Africa as a source country for international student recrui...5 charts on South Africa as a source country for international student recrui...
5 charts on South Africa as a source country for international student recrui...CaraSkikne1
 
General views of Histopathology and step
General views of Histopathology and stepGeneral views of Histopathology and step
General views of Histopathology and stepobaje godwin sunday
 
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptxSandy Millin
 
How to Show Error_Warning Messages in Odoo 17
How to Show Error_Warning Messages in Odoo 17How to Show Error_Warning Messages in Odoo 17
How to Show Error_Warning Messages in Odoo 17Celine George
 
Ultra structure and life cycle of Plasmodium.pptx
Ultra structure and life cycle of Plasmodium.pptxUltra structure and life cycle of Plasmodium.pptx
Ultra structure and life cycle of Plasmodium.pptxDr. Asif Anas
 

Último (20)

PISA-VET launch_El Iza Mohamedou_19 March 2024.pptx
PISA-VET launch_El Iza Mohamedou_19 March 2024.pptxPISA-VET launch_El Iza Mohamedou_19 March 2024.pptx
PISA-VET launch_El Iza Mohamedou_19 March 2024.pptx
 
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdfMaximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
Maximizing Impact_ Nonprofit Website Planning, Budgeting, and Design.pdf
 
How to Make a Field read-only in Odoo 17
How to Make a Field read-only in Odoo 17How to Make a Field read-only in Odoo 17
How to Make a Field read-only in Odoo 17
 
Benefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive EducationBenefits & Challenges of Inclusive Education
Benefits & Challenges of Inclusive Education
 
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...
CHUYÊN ĐỀ DẠY THÊM TIẾNG ANH LỚP 11 - GLOBAL SUCCESS - NĂM HỌC 2023-2024 - HK...
 
The Stolen Bacillus by Herbert George Wells
The Stolen Bacillus by Herbert George WellsThe Stolen Bacillus by Herbert George Wells
The Stolen Bacillus by Herbert George Wells
 
Presentation on the Basics of Writing. Writing a Paragraph
Presentation on the Basics of Writing. Writing a ParagraphPresentation on the Basics of Writing. Writing a Paragraph
Presentation on the Basics of Writing. Writing a Paragraph
 
Quality Assurance_GOOD LABORATORY PRACTICE
Quality Assurance_GOOD LABORATORY PRACTICEQuality Assurance_GOOD LABORATORY PRACTICE
Quality Assurance_GOOD LABORATORY PRACTICE
 
Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.Drug Information Services- DIC and Sources.
Drug Information Services- DIC and Sources.
 
The basics of sentences session 10pptx.pptx
The basics of sentences session 10pptx.pptxThe basics of sentences session 10pptx.pptx
The basics of sentences session 10pptx.pptx
 
Personal Resilience in Project Management 2 - TV Edit 1a.pdf
Personal Resilience in Project Management 2 - TV Edit 1a.pdfPersonal Resilience in Project Management 2 - TV Edit 1a.pdf
Personal Resilience in Project Management 2 - TV Edit 1a.pdf
 
How to Use api.constrains ( ) in Odoo 17
How to Use api.constrains ( ) in Odoo 17How to Use api.constrains ( ) in Odoo 17
How to Use api.constrains ( ) in Odoo 17
 
Philosophy of Education and Educational Philosophy
Philosophy of Education  and Educational PhilosophyPhilosophy of Education  and Educational Philosophy
Philosophy of Education and Educational Philosophy
 
How to Solve Singleton Error in the Odoo 17
How to Solve Singleton Error in the  Odoo 17How to Solve Singleton Error in the  Odoo 17
How to Solve Singleton Error in the Odoo 17
 
5 charts on South Africa as a source country for international student recrui...
5 charts on South Africa as a source country for international student recrui...5 charts on South Africa as a source country for international student recrui...
5 charts on South Africa as a source country for international student recrui...
 
General views of Histopathology and step
General views of Histopathology and stepGeneral views of Histopathology and step
General views of Histopathology and step
 
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
2024.03.23 What do successful readers do - Sandy Millin for PARK.pptx
 
How to Show Error_Warning Messages in Odoo 17
How to Show Error_Warning Messages in Odoo 17How to Show Error_Warning Messages in Odoo 17
How to Show Error_Warning Messages in Odoo 17
 
Ultra structure and life cycle of Plasmodium.pptx
Ultra structure and life cycle of Plasmodium.pptxUltra structure and life cycle of Plasmodium.pptx
Ultra structure and life cycle of Plasmodium.pptx
 
Finals of Kant get Marx 2.0 : a general politics quiz
Finals of Kant get Marx 2.0 : a general politics quizFinals of Kant get Marx 2.0 : a general politics quiz
Finals of Kant get Marx 2.0 : a general politics quiz
 

CH07-Types of Storage

  • 1. Chapter 7 Types of Storage Discovering Computers 2012 Your Interactive Guide to the Digital World
  • 2. Objectives Overview Describe the characteristics of an internal hard disk including Differentiate between storage capacity, platters, read/write devices and storage media heads, cylinders, sectors and tracks, revolutions per minute, transfer rate, and access time Discuss the purpose of network attached storage devices, Describe the various types of external and removable hard flash memory storage disks, and hard disk controllers See Page 351 2 for Detailed Objectives Discovering Computers 2012: Chapter 7
  • 3. Objectives Overview Describe cloud storage Describe the and explain its characteristics of optical advantages discs Differentiate among Identify the uses of tape, various types of optical magnetic stripe cards, discs: CDs, archive discs smart cards, microfilm and Picture CDs, DVDs, and microfiche, and and Blu-ray Discs enterprise storage See Page 351 3 for Detailed Objectives Discovering Computers 2012: Chapter 7
  • 4. Storage Storage holds data, instructions, and information for future use A storage medium is the physical material on which a computer keeps data, instructions, and information Pages 352 - 353 4 Discovering Computers 2012: Chapter 7
  • 5. Storage Pages 352 – 353 5 Discovering Computers 2012: Chapter 7 Figure 7-1
  • 6. Storage • Capacity is the number of bytes a storage medium can hold Page 354 6 Discovering Computers 2012: Chapter 7 Figure 7-2
  • 7. Storage • A storage device is the computer hardware that records and/or retrieves items to and from storage media Reading is the process of transferring items from a storage medium into memory Writing is the process of transferring items from memory to a storage medium Page 354 7 Discovering Computers 2012: Chapter 7
  • 8. Storage • Access time measures: – The amount of time it takes a storage device to locate an item on a storage medium – The time required to deliver an item from memory to the processor Page 355 8 Discovering Computers 2012: Chapter 7 Figure 7-4
  • 9. Hard Disks • A hard disk contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information Page 355 9 Discovering Computers 2012: Chapter 7 Figure 7-5
  • 10. Hard Disks • Hard disks can store data using longitudinal recording or perpendicular recording Page 356 10 Discovering Computers 2012: Chapter 7 Figure 7-6
  • 11. Hard Disks • Characteristics of a hard disk include: Read/Write Capacity Platters Heads Sectors and Revolutions Cylinders Tracks per Minute Transfer Access Time Rate Page 357 11 Discovering Computers 2012: Chapter 7 Figure 7-8
  • 12. Hard Disks • Formatting is the process of dividing the disk into tracks and sectors so that the operating system can store and locate data and information on the disk Page 357 12 Discovering Computers 2012: Chapter 7 Figure 7-7
  • 13. Hard Disks Page 358 13 Discovering Computers 2012: Chapter 7 Figure 7-9
  • 14. Hard Disks • The hard disk arms move the read/write head, which reads items and writes items in the drive – Location often is referred to by its cylinder Page 358 14 Discovering Computers 2012: Chapter 7 Figure 7-10
  • 15. Hard Disks • A head crash occurs when a read/write head touches the surface of a platter • Always keep a backup of your hard disk Pages 358 – 359 15 Discovering Computers 2012: Chapter 7 Figure 7-11
  • 16. Hard Disks Page 359 16 Discovering Computers 2012: Chapter 7 Figure 7-12
  • 17. Hard Disks • RAID (redundant array of independent disks) is a group of two or more integrated hard disks • A network attached storage (NAS) device is a server connected to a network with the sole purpose of providing storage Page 360 17 Discovering Computers 2012: Chapter 7 Figure 7-13
  • 18. Hard Disks An external hard disk is a separate free- standing hard disk that connects to your computer with a cable or wirelessly A removable hard disk is a hard disk that you insert and remove from a drive Internal and external hard disks are available in miniature sizes (miniature hard disks) Pages 360 – 361 18 Figures 7-14 – 7-15 Discovering Computers 2012: Chapter 7
  • 19. Hard Disks • A disk controller consists of a special-purpose chip and electronic circuits that control the transfer of data, instructions, and information from a disk to and from the system bus and other components of the computer SATA EIDE SCSI SAS Pages 361 - 362 19 Discovering Computers 2012: Chapter 7
  • 20. Flash Memory Storage • Flash memory chips are a type of solid state media and contain no moving parts • Solid state drives (SSDs) have several advantages over magnetic hard disks: Generate less heat and Faster access time Faster transfer rates Last longer consume less power Pages 362 - 363 20 Discovering Computers 2012: Chapter 7
  • 21. Flash Memory Storage Page 363 21 Discovering Computers 2012: Chapter 7 Figure 7-17
  • 22. Flash Memory Storage • A memory card is a removable flash memory device that you insert and remove from a slot in a computer, mobile device, or card reader/writer Secure Digital CompactFlash Secure Digital High Capacity microSD (CF) (SD) (SDHC) xD Picture Memory Stick microSDHC Memory Stick Card Micro (M2) Page 364 22 Discovering Computers 2012: Chapter 7
  • 23. Flash Memory Storage Pages 364 – 365 23 Figures 7-18 – 7-19 Discovering Computers 2012: Chapter 7
  • 24. Flash Memory Storage Page 366 24 Discovering Computers 2012: Chapter 7 Figure 7-20
  • 25. Flash Memory Storage • USB flash drives plug into a USB port on a computer or mobile device Page 367 25 Discovering Computers 2012: Chapter 7 Figure 7-21
  • 26. Video: Thumb Drive (USB Flash Drive) Encryption CLICK TO START 26 Discovering Computers 2012: Chapter 7
  • 27. Flash Memory Storage • An ExpressCard module is a removable device that fits in an ExpressCard slot • Developed by the PCMCIA • Commonly used in notebook computers Page 367 27 Discovering Computers 2012: Chapter 7 Figure 7-22
  • 28. Cloud Storage • Cloud storage is an Internet service that provides storage to computer users Page 368 28 Discovering Computers 2012: Chapter 7 Figure 7-23
  • 29. Cloud Storage Page 368 29 Discovering Computers 2012: Chapter 7 Figure 7-24
  • 30. Cloud Storage • Users subscribe to cloud storage for a variety of reasons: Access files from any computer Store large files instantaneously Allow others to access their files View time-critical data and images immediately Store offsite backups Provide data center functions Page 369 30 Discovering Computers 2012: Chapter 7
  • 31. Optical Discs • An optical disc consists of a flat, round, portable disc made of metal, plastic, and lacquer that is written and read by a laser • Typically store software, data, digital photos, movies, and music • Read only vs. rewritable Page 370 31 Discovering Computers 2012: Chapter 7 Figure 7-25
  • 32. Optical Discs Page 370 32 Discovering Computers 2012: Chapter 7 Figure 7-26
  • 33. Optical Discs • Optical discs commonly store items in a single track that spirals from the center of the disc to the edge • Track is divided into evenly sized sectors Page 371 33 Discovering Computers 2012: Chapter 7 Figure 7-27
  • 34. Optical Discs • Care of optical discs Page 371 34 Discovering Computers 2012: Chapter 7 Figure 7-28
  • 35. Optical Discs A CD-ROM can be read from but not written to • Read from a CD-ROM drive or CD-ROM player A CD-R is a multisession optical disc on which users can write, but not erase A CD-RW is an erasable multisession disc • Must have a CD-RW drive Pages 372 – 373 35 Discovering Computers 2012: Chapter 7 Figure 7-29
  • 36. Optical Discs Archive disc Picture CD • Stores photos from an • Single-session CD-ROM online photo center that stores digital • Resolution usually is versions of film 7200 pixels per photo • Typically uses a 1024 x • Cost is determined by 1536 resolution the number of photos • Many photo centers being stored offer Picture CD services Page 374 36 Discovering Computers 2012: Chapter 7
  • 37. Optical Discs Page 374 37 Discovering Computers 2012: Chapter 7 Figure 7-31
  • 38. Optical Discs A DVD-ROM is a high-capacity optical disc on which users can read but not write or erase • Requires a DVD-ROM drive A Blu-ray Disc-ROM (BD-ROM) has a storage capacity of 100 GB DVD-RW, DVD+RW, and DVD+RAM are high- capacity rewritable DVD formats Pages 375 – 376 38 Discovering Computers 2012: Chapter 7 Figure 7-29
  • 39. Other Types of Storage Page 376 39 Discovering Computers 2012: Chapter 7
  • 40. Other Types of Storage • Tape is a magnetically coated ribbon of plastic capable of storing large amounts of data and information • A tape drive reads and writes data and information on a tape Page 376 40 Discovering Computers 2012: Chapter 7 Figure 7-35
  • 41. Other Types of Storage • A magnetic stripe card contains a magnetic stripe that stores information • A smart card stores data on a thin microprocessor embedded in the card Page 377 41 Discovering Computers 2012: Chapter 7 Figure 7-36
  • 42. Other Types of Storage • Microfilm and microfiche store microscopic images of documents on a roll or sheet film Page 378 42 Discovering Computers 2012: Chapter 7 Figure 7-37
  • 43. Other Types of Storage Page 378 43 Discovering Computers 2012: Chapter 7 Figure 7-38
  • 44. Other Types of Storage • Enterprise storage stores huge volumes of data and information for large businesses – Uses special hardware for heavy use, maximum availability, and maximum efficiency Page 379 44 Discovering Computers 2012: Chapter 7 Figure 7-39
  • 45. Putting It All Together Home user Small Office/Home Office Mobile • 500 GB hard disk user • 250 GB hard disk • Cloud storage • 1 TB hard disk • Cloud storage • Optical disc drive • Cloud storage • Optical disc drive • Card reader/writer • Optical disc drive • Card reader/writer • USB flash drive • External hard disk for • Portable hard disk for backup backup • USB flash drive • USB flash drive Page 380 45 Discovering Computers 2012: Chapter 7 Figure 7-40
  • 46. Putting It All Together Power User Enterprise User Enterprise User • 2.5 TB hard disk (desktop computer) (server or mainframe) • Cloud storage • 1 TB hard disk • Network storage server • Optical disc drive • Optical disc drive • 40 TB hard disk system • Portable hard disk for • Smart card reader • Optical disc server backup • Tape drive • Microfilm or microfiche • USB flash drive • USB flash drive Page 380 46 Discovering Computers 2012: Chapter 7 Figure 7-40
  • 47. Summary Internal hard disks, external and removable hard disks, solid state drives, memory cards, USB flash Various storage media and drives, ExpressCard modules, storage devices cloud storage, CDs, DVDs, and Blu-ray Discs, tape, smart cards, and microfilm and microfiche Page 381 47 Discovering Computers 2012: Chapter 7
  • 48. Chapter 7 Types of Storage Discovering Computers 2012 Your Interactive Guide to the Digital World Chapter 7 Complete