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CPU Flashcards
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- 1What is the purpose of the CPU?The Central Processing Unit fetches, decodes and executes instructions.
- 2FDE Cycle?Fetch, decode and execute instructions.
- 3Factors effecting performance of FDE cycle?Cache - A small high speed memory used to store frequently used instructions
from the CPU.
Cores - Core is a cycle of FDE so more cores means a faster cycle.
Clock speed - This is how many Fetch, Decode, Execute cycles the processor can complete per second. - 4The role of the Control UnitThe Control Unit decodes the instructions.
It sends signals to control how data moves around the parts of the CPU - 5Role of ALUALU (Arithmetic Logic Unit) carries out the calculations and logical decisions required by the program instruction.
- 6Names of four registers1) Accumulator (ACC)
2) Memory Address
Register(MAR)
3) Memory Data
Register(MDR)
4) Program Counter(PC)
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- Fichas sobre CPU Flashcards, creado por John Ewuzie el 16/09/2021.
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- John Ewuzie
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