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Computer Science Revision Flashcards
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- 1What does the CPU do?The CPU does the Fetch, Decode and Executive cycle.
- 2What is the Fetch, Decode and Execute cycle?The Fetch, Decode and Execute cycle is a cycle that takes place in the CPU to gather, decode and execute commands/information that comes to it.
- 3What is clock speed?Clock speed is how fast it carries out the FDE cycle.
- 4What is cache?Cache is the storage inside of the CPU.
- 5What is the average GHz of a PC, and a quad CPU GHz?A normal PC has 2.5-3.5 GHz and a quad core on has around 14 GHz and can handle 14 Billion cycles a second.
- 6What is the role of the Control Unit?Controls the flow of data within the system. (FDE system)
- 7What is the role of the Arithmetic/Logic Unit? (ALU)The ALU carries out calculations and logical decisions.
- 8What are the names of the four registers?- Accumulator (ACC)
- Memory Address Register (MAR)
- Memory Data Register (MDR)
- Program Counter (PC)
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- GCSE Computing Fichas sobre Computer Science Revision Flashcards, creado por Dominic Cole el 16/09/2021.
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- Dominic Cole
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