Problem Solving using C Language
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Quiz: Basic Computers Quiz
1. In a block diagram of a computer, what connects all the components for communication?
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CPU
Bus
ALU
Control Unit
2. The CPU consists of the Arithmetic Logic Unit (ALU) and Control Unit (CU).
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True
False
3. A barcode reader is an output device.
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True
False
4. Which of the following is an example of an output device?
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Microphone
Printer
Scanner
Keyboard
5. Which of the following is a function of the output unit in a computer system?
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Converts data from human-readable form to machine-readable form
Converts data from machine-readable form to human-readable form
Stores data permanently
Processes instructions
6. Which of the following is NOT an input device?
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Keyboard
Mouse
Monitor
Scanner
7. What type of device is a touch screen considered as?
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Input Device
Output Device
Both Input and Output Device
None of the above
8. The memory unit stores data and instructions temporarily or permanently.
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True
False
9. A printer is an example of an input device.
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True
False
10. Which unit in a computer system is responsible for controlling and coordinating all the operations?
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Input Unit
Memory Unit
Control Unit
Output Unit
11. The output unit is responsible for sending data from the computer to the external world.
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True
False
12. Which type of memory is used for temporary storage and is erased when the computer is turned off?
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ROM
RAM
Hard Disk
Flash Drive
13. In a computer’s block diagram, which unit is responsible for performing calculations and logical operations?
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Control Unit
Arithmetic Logic Unit (ALU)
Output Unit
Memory Unit
14. Which component of the computer is considered the brain of the system?
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Memory Unit
Input Unit
CPU
Output Unit
15. Which component in the block diagram is responsible for storing data and instructions temporarily?
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ALU
RAM
Control Unit
Input Unit
