Computing Survivor — 1.1.2 CPU performance
OCR J277 GCSE Computer Science revision quiz
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Quiz Questions & Answers
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Question 1: What does CPU clock speed measure?
The size of the CPU
The number of cores
The speed of processing instructions
The amount of cache memory
Question 2: What is the purpose of CACHE?
It lowers power consumption
to store frequently used instructions
It makes the CPU smaller
It decreases the number of cores
Question 3: What is the effect of having multiple cores in a CPU?
It reduces heat generation
It allows for multitasking
It increases the clock speed
It limits software compatibility
Question 4: What is clock speed measured in?
Hertz
Volts
Watts
Meters
Question 5: Which one is the fastest computer?
3.7 GHz
4 GHz
1000 Hz
9.3 Hz
Question 6: Which component often limits CPU performance despite high clock speed?
RAM
Hard Drive
Power Supply
Cooling System
Question 7: Which computer is the fastest?
2 cores - 1 GHz
8 cores - 0.1 GHz
2 cores - 4 GHz
4 cores - 1 GHz