Operating System MCQ Questions And Answers

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
C. VMS
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?

A. IOS
B. Linux
C. Windows
D. AIX

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10. The first operating system created by Microsoft was?

A. Windows
B. MS-DOS
C. Seattle
D. AIX

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