Operating System MCQ Questions And Answers

Operating System MCQs : This section focuses on "Basics" of Operating System. These Operating System Multiple Choice Questions (MCQ) should be practiced to improve the OS skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.

1. What is true about OS?

A. An operating system (OS) is a collection of software.
B. The operating system is a vital component of the system software in a computer system.
C. An Operating System (OS) is an interface between a computer user and computer hardware.
D. All of the above

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2. Which of the following is not a type of operating system?

A. OS/400
B. OS/200
D. z/OS

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3. Which of the following is not an important functions of an operating System?

A. Memory Management
B. File Management
C. Virus Protection
D. Processor Management

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4. In OS, Memory management refers to management of?

A. Primary Memory
B. Main Memory
C. Secondary Memory
D. Both A and B

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5. In multiprogramming environment, the OS decides which process gets the processor when and for how much time. This function is called _____________.

A. process scheduling
B. process rescheduling
C. traffic controller
D. Processor Management

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6. Keeps tracks of processor and status of process. The program responsible for this task is known as?

A. track manager
B. processor controller
C. traffic manager
D. traffic controller

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7. What does I/O controller do?

A. Keeps tracks of primary memory
B. Keeps tracks of all devices
C. Keeps tracks of processes
D. All of the above

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8. What does file system do?

A. Keeps track of information
B. Keeps track of location
C. Keeps track of information status
D. All of the above

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9. Which OS is mostly used?

B. Linux
C. Windows

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10. The first operating system created by Microsoft was?

A. Windows
C. Seattle

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