Flashcards
Computer Science
Cards in this deck (12)
- 1What is the purpose of the Central Processing Unit?It fetches, decodes and executes
- 2What does RAM stand for?Random Access Memory
- 3What is the purpose of RAM?RAM stores temporary data from running applications
- 4What does ROM stand for?Read Only Memory
- 5What is the purpose of ROMStores the boot up instructions
- 6What is the clock speed?It is how many Fetch, Decode, Execute cycles the processor can complete per second
- 7What is Cache?A small high speed memory used to store frequently used instructions
from the CPU - 8How does the the number of cores effect performance?It means CPU carry out multiple instructions at the same time in different cores
- 9What does the control unit do?It decodes instructions and sends signals to control how data moves around
- 10What does the ALU do?Carries out calculation and logical decisions
- 11Name the 4 registers?Accumulator (ACC)
Memory Address Register(MAR)
Memory Data Register(MDR)
Program Counter(PC) - 12What does ALU stand for?Arithmetic logic unit
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- Flashcards on Computer Science, created by Beatrice Duncan on 16/09/2021.
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- Beatrice Duncan
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