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CPU Flashcards
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- 1Control Unit (CU)Controls all the other components of the CPU. It contains the decoder.
- 2DecoderInterprets program instructions and tells the ALU what operations to carry out
- 3ClockControls the rate at which program instructions are carried out, by sending control electrical signals at regular intervals, called cycles
- 4Arithmetic logic unit (ALU)Performs arithmetic and logical operations to carry out program instructions
- 5BusesElectrical conductors that carry electrical signals between component in the CPU and between the CPU and other components on the motherboard
- 6RegistersMemory locations. Some perform special functions in the fetch-decode-execute cycle
- 7CacheVery fast random access memory (RAM)
- 8the types of registersProgram counter, Memory data register (MDR), Memory address register (MAR), Accumulator.
- 9Program counterholds the address of the next instruction to be fetched
- 10Memory data register (MDR)A temporary store (buffer) for anything copied from memory
- 11Memory address register (MAR)holds the address of memory location currently being read (fetched) or written to.
- 12Accumulatorstores the results of calculations carried out by the ALU
- 13Random Access Memory (RAM)Program instructions and data are stored in RAM\
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- GCSE Computing Fichas sobre CPU Flashcards, creado por Josephine Penny el 15/02/2019.
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- Josephine Penny
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