Flashcards
Computer system
Cards in this deck (12)
- 1RAMRandom access memory
- 2what does CPU stand forcentral processing unit
- 3what is a decoderinterprets program instructions and tells the Arithmetic logic what operation to carry out
- 4control unitcontrols all the other components of the CPU it contains a decoder
- 5arithmetic logic unitperforms arithmetic and logical operations to carry out program instructions
- 6cachevery fast random access memory (RAM)
- 7registersmemory locations some perform functions In the fetch-decode-execute cycle
- 8program counterholds the address of the next instruction to be fetched
- 9accumulatorstores the results of calculations carried out by the ALU
- 10memory address register(MAR)holds the address of the memory location currently being read or written to
- 11memory data register(MDR)a temporary store for anything copied from memory
- 12what uses the fetch-decode-executethe CPU uses the fetch - decode - execute cycle to carry out the program instructions
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- Flashcards on Computer system, created by Liam Waring on 15/02/2019.
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- Liam Waring
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