Control the movement of the data and instructions. Fetch data and instructions from the memory. decode and execute instructions. Preform arithmetic operations such as add or subtract
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What does the performance of the CPU depend on?
Processors speed. Bus speed. Amount of cache available. Number of processor cores
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What are the two main components of the CPU?
The control unit and the arithmetic and logic unit (ALU)
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What does the control unit do?
it directs the system to execute the instructions which is stored in stored programs
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What is ROM?
ROM stand for Read Only Memory. it stores data in the computer that cannot be overwritten,this makes it non-volatile. The data in ROM is always available and is not lost once the computer is turned off
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Other cards in this set
Card 2
Front
What does the performance of the CPU depend on?
Back
Processors speed. Bus speed. Amount of cache available. Number of processor cores
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