Computer Science Unit 1 Keyword

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10 Terms

1
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Control Unit

Coordinates all activities of the CPU and directs flow of data between the CPU and other devices

2
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Arithmetic Logic Unit

Performs arithmetic and logical operations.

3
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Memory Unit

All instructions can be stored in memory unit and keeps record. Once executed will be stored away.

4
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Register

Memory location , Works extremely fast speeds and can be used without bottle neck.

5
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Program Counter

Stores the address of the next instruction to be fetched

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Accumulator

Stores the result of calculations from the ALU

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Memory Data Register

Stores data read from or being written to the RAM

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Current Instruction Register

Stores the instruction currently being executed

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Multicore

Single chip containing two or more independent processing units

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Parallel Processing

The processing of a program instructions by dividing them between multiple processors or processor cores