CPU

Description

GCSE Computer Science (CPU) Flashcards on CPU, created by Lyssa Badger on 21/05/2015.
Lyssa Badger
Flashcards by Lyssa Badger, updated more than 1 year ago
Lyssa Badger
Created by Lyssa Badger almost 9 years ago
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Resource summary

Question Answer
CPU stands for? Central Processing Unit
The function of a CPU is... the FETCHING and EXECUTING of instructions stored in memory
Draw a diagram of the Function of a CPU
The result of an executed process is stored where? Register
What carries out the calculations/decodes? ALU: Arithmetic Logic Unit
What is a CPU Core? Contains a number of microprocessors
What is Cache? Cache is a type of computer memory which can be accessed much faster than RAM. The CPU looks in the cache for the data it needs, retrieves it and processes.
What types of Cache are there? A level 1 (L1) cache is a memory bank built into the CPU chip. A level 2 cache (L2) is a secondary staging area that feeds the L1 cache.
What is clock speed? The operating speed of a CPU, in cycles per second (megahertz).
The speed of the clock determines what? The basic performance of the CPU- faster it goes the more powerful the computer.
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