Year 9 Computer Science Quiz - CPU
Quiz
•
Computers
•
10th Grade
•
Practice Problem
•
Medium
James Evans
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does CPU stand for?
Central Processing Unit
Computer Power Unit
Core Processing Unit
Control Processing Unit
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which part of the CPU performs arithmetic and logic operations?
Memory Unit
Control Unit
Arithmetic Logic Unit (ALU)
Cache
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the Control Unit (CU) in the CPU?
It performs mathematical calculations.
It stores program instructions.
It manages and controls the activities of the CPU.
It saves files permanently.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the cache in a CPU?
To store large files like videos.
To temporarily store frequently accessed data.
To control the speed of the CPU.
To connect the CPU to the internet.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these registers holds the address of the next instruction to be executed?
Memory Data Register (MDR)
Current Instruction Register (CIR)
Program Counter (PC)
Memory Address Register (MAR)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component of the CPU is responsible for performing calculations?
Control Unit (CU)
Arithmetic Logic Unit (ALU)
Cache
Memory
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Memory Address Register (MAR) do?
Stores the result of calculations
Holds the address of the current instruction or data
Manages the CPU speed
Holds the current instruction being executed
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