This document provides an overview of the topics to be covered in a course on computer applications for management. The course will cover computer fundamentals, hardware, networking, software, application software, internet applications, and include lab sessions. Recommended books are listed. The document outlines the objectives of using computers, how computers work, basic hardware components, data representation, memory types and organization, storage devices, I/O devices, networking concepts, algorithms and flowcharts, programming languages, system and application software, and internet applications like email and the world wide web. Lab tasks are also mentioned.

1. Computers for
Management
(JSB 107)
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2. Content
1. Computer Fundamentals
2. Introduction to computer
Hardware
3. Networking
4. Introduction to Software
5. Application Software
6. Internet Applications
7. Lab Sessions
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3. Recommended Books
• Rajaraman, V.: Fundamentals of
Computer, PHI
• Norton, P.: Introduction to
Computers, TMH
• Narang, R.: Database Management
System, PHI
• Tangny & Mahony, O.: Local Area
Network and Their Application, PHI
• NIIT: Understanding Business
Information System, PHI
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4. Why do we need
Computers?
• Get more work done
• Get work done faster
• Get more complex work done
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5. How Do Computers
Do it?
• Are they more intelligent?
• They work unimaginably fast
• They are able to take simple
logical decisions
• They don’t get tired
• They don’t need a break
• They don’t fall sick (usually)
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6. Computer Fundamentals
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7. Objectives & Scope
of
Computer Applications
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8. Objectives
• It is a general purpose tool
• Can be applied to a very large range
of problems
• It can handle huge volumes of data
• Personal computers are aids to
personal productivity
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9. Basic Computer
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10. Basic Cycle
1. Get next instruction
4. Get operation
done
Mindless
List But
Of Faithful Temp
Instructions clerk storage
2. Make out
What is to be
Done. 3. Get
operands
In Von Neumann Stored memory architecture 5. Store
The instructions, operands, temporary and final results
results are in same memory. Debasis Das 10

11. Computer Basic Cycle
Fetch next instruction, increment
pointer
Decode the instruction
Fetch operands, if necessary
Execute
Store Results
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12. Computer Systems
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13. Basic Hardware
Arrangement
Memory I/O
Processor
system devices
System Bus
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14. Bus
Address Bus
Data Bus
Control Bus
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15. Processor
Internals Control Bus
Data bus
Control General Purpose
Accumulator
Unit Registers
Operand Register Instruction Decoder
Instruction Pointer
Address bus
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16. Data Representation
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17. Positional Notation
123 = 1 x 10^2 + 2 x 10^1 + 3 x 10^0; base 10 number system
Digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
101 = 1 x 2^2 + 0 x 2^1 + 1 X 2^0; base 2 number system
Digits are 0, 1 (binary digits or Bits)
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18. Introduction
to
Computer Hardware
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19. Processor
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20. Processor Types
• Simple processor
• Pipelined processor
• Superscaler processor
• Parallel Processor
• VLIW processor
• Array processor
• RISC & CISC processors
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21. Processor Types
• Single core
• Dual core
• Multiple core
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22. Memory Systems
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23. Memory Organization
Data Bus
1
2
3
Word Address Bus
n
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24. Memory Types
• RAM
– Dynamic, Static
• ROM
– Manufactured, Field Programmable,
Flash
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25. Memory Hierarchy
• Main memory
• Secondary memory
• Cache memory
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26. Storage Devices
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27. Storage Types
• Magnetic disks
• Flash disks
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28. I/O Devices
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29. Interface to
The World
• Keyboard
• Monitor/display
• Mouse
• Printer
• Scanner
• And lots of others
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30. Networking
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31. Why Network!
• Prime motivation is resource sharing
• Most other reasons are derivatives
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32. Local Area
Networking
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33. Network Configuration
Connected someway
Software support
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34. Network Model
End to end
Application Layer Application Layer
Presentation Layer Presentation Layer
Session Layer Session Layer
Transport Layer Transport Layer
Node to node
Network Layer Network Layer
Data link layer Data link layer
Physical Physical
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35. Layer Functionality
http://transition.fcc.gov/pshs/techtopic
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36. Wide Area
Networking
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37. Communications
Technologies
• Wired, co-ax cables, submarine
cables
• RF Communication
• Fiber communication
• Satellite communication
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38. Introduction
to
Software
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39. Algorithms
&
Flowcharts
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40. Algorithms
• Process/method to solve a problem
• Step by step process
• Deterministic
• Iterative
• Recursive
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41. Flowcharts
• Graphical representation of a process
• Could be used to represent an
algorithm
• Could be used to represent a
complete program
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42. Programming
Languages
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43. Program
• A set of statements in a given
language
• Properties
– Finite
– Effective
– Efficient
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44. Programming Languages
• Machine language
• Assembly language
• High level language
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45. Different Kinds
of
Software
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46. System Software
• Software that comes with the system
• Usually the software required to run
the system properly
– Operating system
– Assemblers
– Compilers
– Linker
– Loader
– Etc.
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47. Application
Software
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48. Application Software
• Everything else that helps get
something done with the computer
• Usually to solve just one set of
problems
• Takes specific inputs and outputs
specific data
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49. Word
Processing
• Microsoft Word, Open Office Writer
• Helps create documents
• Caters to all the formatting
requirements
• Lets you combine other elements
besides text
• Takes care of printing of the
documents
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50. Spreadsheet
• Table based calculations made possible
• Data is arranged in rows and columns
• Rows and columns can be related
through embedded formula
• What-if scenarios can be studies, as
data changes in the main set will
automatically generate data in other
cells
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51. Presentation
• Electronic equivalent of flip chart
presentation
• Slides could be created and
presented one by one
• Each slide, like flip carts can have
text and graphics
• Automatic shows can be created
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52. Database
Management
Systems
• Large amount of tabular data can be
created
• In the relational database version
one such table may be related to
another one
• Many such databases could be
created within a DBMS
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53. Internet Applications
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54. Concept of the Internet
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55. Internet
• Interconnected set of computers
• Network of networks
• Open & Heterogeneous
• Follows standards
• Anyone can connect to the Internet
through an ISP
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56. Applications of
the
Internet
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57. Major Applications
• E-Mail
• World Wide Web
• Millions of others
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58. Webpage
Development
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59. What is a Web Page
• A poster hanging in the cyber space
somewhere?
• How do we find a specific page?
• What’s a search engine?
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60. Vital Parts of a Web Page
• Content
• Format
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61. Lab Sessions
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62. Lab Tasks
• Compose a one page resume
• Develop a spreadsheet for marks,
calculate class average, calculate
grade
• Develop a 10 slide presentation on
the workshop-what you learnt
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