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