#1 Operating System Test - 69+ MCQs: Operating System Quiz: Test Your Knowledge with Operating System Questions and Answers

1. In the context of operating systems, what does 'CLI' stand for?

Common Language Interface

Command Line Interface

Control Language Interpreter

Computer Language Interface

2. What is the role of an interrupt in an operating system, and how does it affect system performance?

An interrupt is a signal generated by hardware or software to request the immediate attention of the CPU. It affects system performance by allowing the CPU to respond quickly to events and perform tasks efficiently.

An interrupt is a type of error that slows down system performance.

An interrupt is a message from the user to the operating system to stop all tasks.

An interrupt is a signal to restart the computer.

3. What is the purpose of an 'interrupt' in the context of operating systems?

To stop the computer from functioning

To request the operating system's attention for a specific task

To initiate a computer shutdown

To send a signal to external devices

4. What is virtual memory, and why is it used in modern operating systems?

Virtual memory is a type of memory used in virtual machines.

Virtual memory is a marketing term for high-capacity RAM.

Virtual memory is a technique that uses disk space to simulate additional RAM, allowing larger programs and more processes to run.

Virtual memory is a type of memory used exclusively by graphics cards.

5. Which operating system is commonly used on smartphones and tablets?

Windows

macOS

Linux

Android

6. What is the purpose of an operating system's kernel?

To provide a graphical user interface

To manage memory and hardware resources

To create software applications

To design user interfaces

7. What is the purpose of a kernel in an operating system?

To manage hardware resources

To provide a graphical user interface

To execute user applications

To store system logs

8. Which operating system is known for its use in Google's mobile devices like smartphones and tablets?

Windows

Linux

iOS

Android

9. What is the role of a 'bootloader' in the startup process of a computer?

To load the operating system into memory

To create a backup of user data

To manage network connections

To play startup sounds

10. Which operating system is known for its penguin mascot?

Windows

macOS

Linux

Android

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