Computer Hardware

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CPU
Central Processing Unit
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ALU
Arithmetic Logic Unit
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RAM
Randon Access Memory
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ROM
Read Only Memory
4 of 11
MAR
Memory Address Reader
5 of 11
MDR
Memory Data Reader
6 of 11
IAR
Instruction Address Reader
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Memory Address Reader
Stores the current instruction or data being executed
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Memory Data Register
This temporarily holds the instruction.
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Instruction Address Reader
Holds the current instruction to be executed
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Arithmetic Logic Unit
Carrys out the logical part of the instruction for example a calculation
11 of 11

Other cards in this set

Card 2

Front

ALU

Back

Arithmetic Logic Unit

Card 3

Front

RAM

Back

Preview of the front of card 3

Card 4

Front

ROM

Back

Preview of the front of card 4

Card 5

Front

MAR

Back

Preview of the front of card 5
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