Q. What is the function of a firewall?
-
A.
To speed up internet connection
-
B.
To protect against unauthorized access
-
C.
To store data securely
-
D.
To manage network traffic
Solution
A firewall is a security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
Correct Answer:
B
— To protect against unauthorized access
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Q. What is the function of an operating system?
-
A.
To manage hardware and software resources
-
B.
To provide internet access
-
C.
To run applications only
-
D.
To store data permanently
Solution
An operating system manages hardware and software resources and provides a user interface.
Correct Answer:
A
— To manage hardware and software resources
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Q. What is the primary function of the CPU in a computer?
-
A.
To store data permanently
-
B.
To execute instructions
-
C.
To manage input and output devices
-
D.
To provide power to the computer
Solution
The CPU (Central Processing Unit) is responsible for executing instructions and processing data in a computer.
Correct Answer:
B
— To execute instructions
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Q. What is the purpose of an IP address?
-
A.
To identify a computer on a network
-
B.
To store files on a server
-
C.
To encrypt data
-
D.
To manage hardware resources
Solution
An IP address is used to identify a device on a network and facilitate communication.
Correct Answer:
A
— To identify a computer on a network
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Q. What is the purpose of an operating system?
-
A.
To manage hardware and software resources
-
B.
To provide internet access
-
C.
To store files permanently
-
D.
To enhance graphics performance
Solution
An operating system manages hardware and software resources and provides a user interface for interaction.
Correct Answer:
A
— To manage hardware and software resources
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Q. Which of the following file extensions typically indicates a text file?
-
A.
.exe
-
B.
.txt
-
C.
.jpg
-
D.
.mp3
Solution
.txt is the file extension for plain text files.
Correct Answer:
B
— .txt
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Q. Which of the following is a common file extension for a text file?
-
A.
.exe
-
B.
.txt
-
C.
.jpg
-
D.
.mp3
Solution
.txt is a common file extension for plain text files.
Correct Answer:
B
— .txt
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Q. Which of the following is a common operating system for personal computers?
-
A.
Linux
-
B.
Android
-
C.
iOS
-
D.
Windows
Solution
Windows is one of the most common operating systems used on personal computers.
Correct Answer:
D
— Windows
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Q. Which of the following is an example of volatile memory?
-
A.
Hard Drive
-
B.
SSD
-
C.
RAM
-
D.
ROM
Solution
RAM (Random Access Memory) is volatile memory, meaning it loses its data when the power is turned off.
Correct Answer:
C
— RAM
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Q. Which of the following is NOT an input device?
-
A.
Keyboard
-
B.
Mouse
-
C.
Monitor
-
D.
Scanner
Solution
A monitor is an output device, while keyboard, mouse, and scanner are input devices.
Correct Answer:
C
— Monitor
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Q. Which of the following storage devices is the fastest?
-
A.
HDD
-
B.
SSD
-
C.
USB Flash Drive
-
D.
CD-ROM
Solution
SSD (Solid State Drive) is the fastest among the listed storage devices due to its lack of moving parts.
Correct Answer:
B
— SSD
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