Problem Solving using C Language
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Quiz: Basic Computers Quiz
1. A printer is an example of an input device.
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True
False
2. The memory unit stores data and instructions temporarily or permanently.
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True
False
3. Which component of the computer is considered the brain of the system?
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Memory Unit
Input Unit
CPU
Output Unit
4. 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
5. 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
6. The CPU consists of the Arithmetic Logic Unit (ALU) and Control Unit (CU).
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True
False
7. Which of the following is an example of an output device?
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Microphone
Printer
Scanner
Keyboard
8. The output unit is responsible for sending data from the computer to the external world.
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True
False
9. A barcode reader is an output device.
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True
False
10. Which of the following is NOT an input device?
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Keyboard
Mouse
Monitor
Scanner
11. 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
12. In a block diagram of a computer, what connects all the components for communication?
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CPU
Bus
ALU
Control Unit
13. 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
14. 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
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
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