Flashcards
CPU
Cards in this deck (7)
- 1What is the purpose of the CPU?To manage all parts of the computer and communication in between.
It processes data.
(it is the brain of the computer) - 2What are the functions of a CPU?Fetch, decode and execute instructions.
- 3What is the benefit of having multiple cores?Multiple instructions can be processed at one time.
- 4What is clock speed?Measured in Hz, the clock speed is how many fetch-execute cycles are done per second.
- 5Where does the CPU fetch from?The CPU typically fetches from the cache (quickest) or the RAM. It can fetch from secondary memory, however this is slow.
- 6What is the ALU?Arithmetic and logic unit; it decodes the instruction.
- 7What are the different levels of cache and what is their purpose?Lvl 1 - feeds memory into lvl 2
Lvl 2 - gives instruction to be decoded
(they work together to prevent overflow)
*register stores past instructions which have been decoded
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- Year 11 Computing Flashcards on CPU, created by Laura Harkins on 03/01/2017.
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- Laura Harkins
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