Home > Environmental Engineering > Quizzes > Operating System Practice Test Questions For All Competitive Exams
Operating System Practice Test Questions For All Competitive Exams
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 4% • Most missed: “‘>’ symbol in DOS commands is used to”

An operating system (OS) is the program that, after being initially loaded into the computer by a boot program, manages all of the other application programs in a computer. The application programs on the computing device make use of the operating system by making requests for services through a defined application program interface (API).
 

Operating System Practice Test Questions For All Competitive Exams
Time left 00:00
25 Questions

1. Operating system that allows only one user to work on a computer at a time is known as
2. Which of the following is not usual file extension in DOS?
3. Which of the following operating systems was first developed by Microsoft?
4. Every computer has a(n) ……, many also have ……
5. ............ is used for very large files or where a fast response time is not critical. The files to be transmitted are gathered over a period and then send together as a batch.
6. This command is used to display a list of files and sub-directories that are in the directory you specify.
7. Which command is used to delete file from a directory in DOS?
8. Which process refers to the starting up of a computer and the loading of the required parts of the operating system into the RAM?
9. …… is a feature for scheduling and multi-programming to provide an economical interactive system of two or more users.
10. In DOS, the DIR command is used to
11. Which one of the following file names is invalid in DOS?
12. While working with MS-DOS, which command transfers a specific file from one disk to another?
13. Which one of the following is not an operating system?
14. Which of the following is not an internal command of DOS?
15. Grouping and processing all of a firm’s transactions at one time, is called
16. Real time systems must have
17. MS-DOS is usually supplied on a
18. A collection of programs that controls how your computer system runs and processes information is called
19. DEL command is used to
20. Which of the following terms explains the execution of more than one file at the same on a single processor?
21. Who developed the operating system Linux started as a project by a student of Finland?
22. Windows operating system is ...... and ...... .
23. Which of the following is the main program of MS-DOS?
24. Which of the following is the correct reason to use an operating system?
25. Restart of computer is called …… when computer is already ON.

⚡ Recently practiced quizzes in this topic
Live quiz activity
Hazardous Waste Management Practice Test: Groundwater Contamination & Injection Well Disposal Pollution Control Practice Test: Wastewater Sampling, Analysis & Treatment Pollution Control Practice Test: Sources and Effects of Air Pollution Pollution Control Practice Test: Human Impact on the Environment Pollution Control Practice Test: Air Pollution Control Methods and Equipment Pollution Control Practice Test: Solid and Industrial Waste Management Hazardous Waste Management Practice Test: Site Remediation, Process Selection and Facility Siting Hazardous Waste Management Practice Test: Landmark Episodes in Pollution Control / Hazardous Waste Management Hazardous Waste Management Practice Test: Regulation of E-waste Pollution Control Practice Test: Control of Specific Gaseous Pollutants
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.