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Types and Components of Computer Systems

Jess Peason

Computing

Description

Flashcards on Computing, created by Zara Kanani on 03/11/2014.

Flashcards by Zara Kanani, updated more than 1 year ago

	Created by Zara Kanani over 10 years ago

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Resource summary

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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