
The CPU & Microprocessor Quiz for IGCSE
Authored by Margaret Sifuna
Computers
12th Grade
Used 4+ times

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36 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
What is the purpose of a microprocessor in a computer system?
To store data permanently
To perform arithmetic and logic operations on a single chip
To control output devices
To manage input devices
2.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
How does increasing the number of CPU cores impact performance?
Decreases performance
No impact on performance
Increases performance by allowing parallel processing
Reduces the clock speed
3.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
In the context of Automatic Repeat Request (ARQ), what does a negative acknowledgement transmission indicate?
The data is correct
An error has occurred, and data is corrupted
The receiver is waiting for a time-out
The sender should wait before resending the data
4.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
What are the main hardware components of a computer system?
Input devices, primary memory, and secondary storage
Output devices, software, and primary memory
Input devices, CPU, and software
Secondary storage, output devices, and CPU
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
What are the two main components of the CPU?
Input Unit and Output Unit
Arithmetic Unit and Logic Unit
Control Unit and Memory Unit
Control Unit and Arithmetic Logic Unit (ALU)
6.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
What is the Clock Speed of a CPU?
The speed at which data is transferred between RAM and CPU
The speed at which a computer can execute instructions
The speed at which output devices operate
The speed at which input devices respond to user actions
7.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Explain the purpose of Cache in a CPU and its impact on performance.
Cache stores permanent data, increasing storage capacity
Cache stores infrequently used instructions for slow access
Cache stores frequently used instructions for faster access, improving CPU performance
Cache controls input/output operations to enhance performance
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