1575466
Description
Flashcards by Zara Kanani, updated more than 1 year ago
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Created by Zara Kanani
over 9 years ago
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| Question | Answer |
| What is a CPU? | *CPU stands for central processing unit. *It's a piece of hardware which executes instructions. *Some of the components are: processor, main memory, cache memory. |
| What instructions does the CPU perform? | *Fetch-retrieves instructions from the program counter. *Decodes- the instructions. *Execute-the instructions. |
| What is the clock speed? | *It is the speed of which the processor can execute instructions. Measured in Hz. *A single processor can only execute one instruction at a time. *Instructions are completed in a clock cycle. |
| What is the purpose of the cache? | Data from the main memory is loaded onto the cache |
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