Operating System MCQs
16. Which of the following operating systems does not support more than one program at a time?
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Correct Answer:
D. DOS
D. DOS
Explanation:
DOS stands for Disk operating system. Disk operating system is a single-user operating system that does not support more than one program at a time.
17. Which of the following is an example of a Real Time Operating System?
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Correct Answer:
D. Process Control
D. Process Control
Explanation:
Process Control is a best example of a Real Time Operating System
18. In Microsoft Windows 7, which of the following is not a gadget?
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Correct Answer:
A. Recycle Bin
A. Recycle Bin
Explanation:
……
19. Recently used application file list appears in the Windows operating system’s ___________
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Correct Answer:
B. Documents Menu
B. Documents Menu
Explanation:
Recently used application file list appears in the Windows operating system Documents menu. Traditionally, the Start menu provided a customizable nested list of programs for the user to launch, as well as a list of most recently opened documents, a way to find files and obtain assistance, and access to the system settings.
20. What is the use of directory structure in the Operating System?
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Correct Answer:
B. It is used to store folders and files hierarchically.
B. It is used to store folders and files hierarchically.
Explanation:
In the OS, a directory structure is a container that is used to store folders and files in a hierarchical manner.
