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The Central Processing Unit Chapter 4 B.M.H
Learning Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object],MIU
The CPU (Central Processing Unit) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU Intel pentium processor
MIU
The Control Unit ,[object Object],[object Object],[object Object],[object Object],[object Object],MIU CPU
The Arithmetic/Logic Unit (ALU) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU CPU
Logical operations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU CPU
Data storage and the CPU ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU
Registers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU
Registers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU
Storage Comparison ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU
Memory ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU
Memory ,[object Object],[object Object],[object Object],MIU
How the CPU executes    program instructions
Before an instructions executions ,[object Object],[object Object],[object Object],[object Object],MIU
MIU
MIU
Machine cycle ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU Always
Machine cycle ,[object Object],[object Object],[object Object],[object Object],MIU
[object Object],[object Object],[object Object],[object Object],Storage Locations and Addresses MIU How the control unit finds instructions and data 1 2 3 Rate 8 4 5 6 Hours 40 7 8 Salary 320 Employee’s salary Instruction ↓ Data in 3ⅩData in 6 ↓ Move to 8
Data Representation Bits, Bytes and Words Coding Schemes
Binary system ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU
Binary Equivalent of Decimal Numbers 0-17  MIU Units : bit  Byte(8 bit)  word(2 or 4 B)  KB(1,024 B)  MB(1,024 KB)  GB(1,024 MB) Physical Representation Conversion(Bin -> Dec) binary digit 2 8  =  256  0  1 N S N S + 100110 2 32 4 2 38 10 = 32 16 8 4 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0 1 10 11 100 101 110 111 1000 1001 1010 1011 1100 1101 1110 1111 10000 10001 0 1 2 3 4 5 6 7 8 9 A B C D E F 10 11 Dec Binary Hex
Bits, Bytes, and Words ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU Data Representation
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU Bits, Bytes, and Words Data Representation Term Abbreviation Approximate Number Exact Number Kilobyte KB 10 3 2 10  =   1024 Megabyte MB 10 6 2 20 Gigabyte GB 10 9 2 40 Terabyte TB 10 12 2 80
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Bits, Bytes, and Words MIU Data Representation
Coding Schemes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU
ASCII, EBCDIC and Unicode ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU Coding Schemes
ASCII, EBCDIC and Unicode ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU Coding Schemes
Short Quiz ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU
Review ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],MIU

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Computers6 Ch4 1

  • 1. The Central Processing Unit Chapter 4 B.M.H
  • 2.
  • 3.
  • 4. MIU
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
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  • 14. How the CPU executes program instructions
  • 15.
  • 16. MIU
  • 17. MIU
  • 18.
  • 19.
  • 20.
  • 21. Data Representation Bits, Bytes and Words Coding Schemes
  • 22.
  • 23. Binary Equivalent of Decimal Numbers 0-17 MIU Units : bit Byte(8 bit) word(2 or 4 B) KB(1,024 B) MB(1,024 KB) GB(1,024 MB) Physical Representation Conversion(Bin -> Dec) binary digit 2 8 = 256 0 1 N S N S + 100110 2 32 4 2 38 10 = 32 16 8 4 2 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 0 1 10 11 100 101 110 111 1000 1001 1010 1011 1100 1101 1110 1111 10000 10001 0 1 2 3 4 5 6 7 8 9 A B C D E F 10 11 Dec Binary Hex
  • 24.
  • 25.
  • 26.
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  • 28.
  • 29.
  • 30.
  • 31.