OCR GCSE Computer Science - Hardware and Units of Storage
Authored by Chris Porter
Computers
9th - 10th Grade
Used 3+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main function of the CPU?
To store data permanently
To execute instructions
To display graphics
To manage network connections
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the CPU carries out arithmetic operations?
Control Unit
Cache
ALU
MDR
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which register holds the address of the next instruction to be executed?
MDR
MAR
Program Counter
Accumulator
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of cache memory?
To store large files permanently
To hold frequently used data for quick access
To manage power supply in the CPU
To store all installed programs
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which architecture is most commonly used in modern computers?
Harvard
Von Neumann
RISC
CISC
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which characteristic improves CPU performance the most?
Increasing the number of cores
Reducing RAM size
Using magnetic storage
Using smaller screens
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of memory is volatile?
ROM
RAM
Hard drive
Optical disc
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