Disk Operating System Questions and Answers
The Disk Operating System (DOS) forms the foundation of many modern computing systems. These programming questions and answers on DOS cover essential topics like file management, command-line utilities, memory organization, and system architecture. Mastering DOS is crucial for computer science students and aspirants appearing for TCS, Wipro, Tech Mahindra, and other placement exams. Practicing operating system MCQs with explanations strengthens your understanding of basic system-level concepts and command syntax. Learn how DOS interacts with hardware and manages files efficiently through Disk Operating System questions with answers, an important topic in both academic and technical interview preparation.
Disk Operating System
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39 questions
11. The buffers statement is found in what file?
- Config.sys
- Autoexec.ncf
- Autoexec.bat
- Neb.cfg
12. Which of the following is loaded for CD-ROM support?
- VLM.EXE
- CDDEX.EXE
- DOSKEY.EXE
- MSCDEX.EXE
13. To find out how much memory is available, you could type______.
- EMM
- MEM
- CHKDSK
- MEMMAKER
14. Suppose you had an incurable computer virus and decided to wipe out all the data and partitions on your hard drive and reformat. What is the order in which you must delete the partitions?
- Extended, Logical, Primary
- Primary, Extended, Logical
- Logical, Extended, Primary
- Logical, Primary, Extended
15. While working with MS-DOS, which command is used to display the contents of a file and pause the display after each screenful of information?
- TYPE filename | MORE
- CAT filename | MORE
- CAT filename | pg
- MORE filename
16. Which DOS command is used to detect, diagnose and repair logical and physical disk errors on both, uncompressed and Double space compressed drive?
- DEFRAG
- DBLSPACE
- SCANDISK
- MSAV
17. What command would you type to list all of the files in the current directory?
- DIR
- LIST ALL
- SHOW
- SHOW ME
18. While working with MS-DOS, which command is used to move file from one directory to another?
- RENAME
- COPY
- MOVE
- CP
19. A _____ boot is when DOS is restarted without turning off the computer.
- warm
- reboot
- shutdown
- system up
20. While using the DIR command, you can use certain switches with it. Which one of the following cannot be used with DIR?
- /P
- /W
- /S
- /T