Flashcards
key terms
Cards in this deck (10)
- 1CPUCentral processing unit - processor which does the fetch, decode, execute cycle
- 2MARMemory Address register - stores the location for the memory to be fetch from or sent to memory
- 3MDRMemory data register - Stores the data that has been fetched from or is waiting to be sent to memory
- 4PCProgram Counter - stores the location of the next instruction in the program to be executed
- 5ACCAccumulator - stores the result of any arithmetic or logical operations carried out by the ALU
- 6ALUArithmetic and logic unit - Carries out the calculations and logical operations carried out by the ALU
- 7CUControl Unit - Works with the CPU to control the flow of data within the systems and decode instructions
- 8Volatilememory that wipes clean when power is lost.
- 9Virtual memoryAn extension of RAM set up on the hard drive. Used to act like RAM when RAM becomes full.
- 10Flash memory
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- Flashcards on key terms, created by Alexander Henry on 07/03/2019.
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- Alexander Henry
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