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This section includes 181 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.
1. |
Which two of the following DOS commands are used to display or set the date and time of your computer'sinfernal clock? |
A. | ER |
B. | OUR |
C. | ATE |
D. | AY |
E. | one of the above |
Answer» D. AY | |
2. |
To display the list of all the file of the disk you would type |
A. | IR |
B. | OPY |
C. | IR FILES |
D. | IR AUTOEXEC.BAT |
Answer» B. OPY | |
3. |
The batch file uses the extension |
A. | BAT |
B. | DOC |
C. | PRG |
D. | DOS |
Answer» B. DOC | |
4. |
DOS system file consists of |
A. | BMBIO.COM, IBMDOS.COM, COMMAND.COM |
B. | OMMAND.COM, IBMBIO.COM, FORMAT.COM |
C. | YS.COM,IBMBIO.COM,IBMDOS.COM |
D. | one of the above |
Answer» B. OMMAND.COM, IBMBIO.COM, FORMAT.COM | |
5. |
4. Which of the following could be a valid DOSfilespecification? |
A. | OSFILE.POST |
B. | OSFILE.P.OST |
C. | OSFILE.DOC |
D. | OST.FILEDOC |
Answer» C. OSFILE.DOC | |
6. |
Which of the following operating does not implement multitasking truly? |
A. | indows 98 |
B. | indows NT |
C. | indows XP |
D. | S DOS |
Answer» E. | |
7. |
While working with which command is used to copy all files from the currently logged drive and directory with the extension .txt to the drive a |
A. | opy a. *.txt |
B. | opy *.txt a: |
C. | opy *.txt c: |
D. | opy *.txt all.txt |
Answer» C. opy *.txt c: | |
8. |
While working with MS-DOS which command is used to copy all files with extension .txt into one file named all.txt? |
A. | opy a: *.txt |
B. | opy *.txt a: |
C. | opy *.txt c: |
D. | opy *.txt all.txt |
Answer» E. | |
9. |
While working with MS-DOS which command is used to combine file1 plus file2 into new file named file3? |
A. | opy file3 file1+file2 |
B. | opy file1+file2 file3 |
C. | opy file1+file2+file3 |
D. | opy file2 file1+file3 |
Answer» C. opy file1+file2+file3 | |
10. |
While working with MS-DOS which command is used to change the extension of all filenames ending with .txt to .doc? |
A. | en *.doc *.txt |
B. | en *.txt *.doc |
C. | en file.doc file.txt |
D. | en a: *.doc *.txt |
Answer» C. en file.doc file.txt | |
11. |
Which is the valid filename assign in MS-DOS? |
A. | am*.txt |
B. | am?.doc |
C. | am_$.txt |
D. | one of above |
Answer» D. one of above | |
12. |
Which file in MSDOS contain internal command that are loaded during booting process? |
A. | o.sys |
B. | sdos.sys |
C. | ommand.com |
D. | onfig.sys |
Answer» D. onfig.sys | |
13. |
Which command is used to undelete delete a bunch of files with extension doc that you have just deleted |
A. | ndelete |
B. | ndelete *.doc |
C. | ndelete/all |
D. | ll of the above |
Answer» C. ndelete/all | |
14. |
Which switch should be used in the DIR command to view files in all directories? |
A. | p |
B. | w |
C. | s |
D. | l |
Answer» D. l | |
15. |
Which of the following statements is true in regard to diskcopy? |
A. | opy and discopy are same |
B. | iscopy is a built in command in dos |
C. | iskcopy can be used on hard disks |
D. | iskcopy can be used with a floppy and a hard disk |
Answer» D. iskcopy can be used with a floppy and a hard disk | |
16. |
Which of the following statements in regard to directories is false? |
A. | irectories can exist inside directories |
B. | he root directory is always at the highest level |
C. | irectories with files can be deleted |
D. | irectories cannot be renamed |
Answer» E. | |
17. |
Which command is used to delete all the files extension .txt on the current drive and directory? |
A. | el .txt |
B. | rase .txt |
C. | el *.txt |
D. | el *.*/p |
Answer» D. el *.*/p | |
18. |
Which command is used to create root directory and FAT on disk? |
A. | hkdsk |
B. | ommand.com |
C. | ormat |
D. | at |
Answer» D. at | |
19. |
Which command can be used to create the disk's tracks and sectors? |
A. | disk |
B. | ormat |
C. | hkdsk |
D. | ttrib |
Answer» C. hkdsk | |
20. |
What is the name of the batch file that is automatically run when MSDOS is booted? |
A. | un.bat |
B. | onfig.sys |
C. | onfig.bat |
D. | utoexec.bat |
Answer» E. | |
21. |
Which command be used to clear the screen and display the operating system prompt on the first line of thedisplay? |
A. | d |
B. | d |
C. | ename |
D. | ls |
Answer» E. | |
22. |
Which command should be used to display all files within the specified subordinate directory of the subdirectory? |
A. | ir \ pathname |
B. | ir \ pathname\pathname |
C. | ir / ch |
D. | ir \pathname\filename |
Answer» C. ir / ch | |
23. |
Which command is used to display all the files having the (.exe) extension but different filename? |
A. | ir filename.* |
B. | ir filename.ext |
C. | ir *.sys |
D. | ir *.exe |
Answer» E. | |
24. |
Which command displays comma for thousand separating on file size while listing? |
A. | ir/w |
B. | ir/s |
C. | ir/b |
D. | ir/c |
Answer» E. | |
25. |
Which command displays only file and directory names without size, date and time information? |
A. | ir/w |
B. | ir a: |
C. | ir /b |
D. | ir /s |
Answer» D. ir /s | |
26. |
Which command displays current directory name or change from one to another? |
A. | hdir |
B. | d |
C. | kdir |
D. | oth a and b |
Answer» E. | |
27. |
Which command creates a directory or subdirectory? |
A. | ir |
B. | kdir |
C. | d |
D. | oth b and c |
Answer» E. | |
28. |
Which command will be used to display a file within the specified directory of pathname? |
A. | ir \pathname |
B. | ir \pathname\pathname |
C. | ir/ch |
D. | ir \pathname\filename |
Answer» E. | |
29. |
Which command is used to see the version? |
A. | ersion |
B. | er |
C. | erson |
D. | one of above |
Answer» C. erson | |
30. |
Which command is used to see the disk volume label? |
A. | er |
B. | ol |
C. | ersion |
D. | olume |
Answer» C. ersion | |
31. |
Which command is used to see the contents of a file? |
A. | ype |
B. | opy |
C. | d |
D. | one of above |
Answer» B. opy | |
32. |
You can copy command.com to your disk from hard disk |
A. | rue |
B. | alse |
Answer» B. alse | |
33. |
Which command is used to provide access to files located in other directories or disks? |
A. | ree |
B. | ath |
C. | ir |
D. | d |
Answer» C. ir | |
34. |
Only filenames and extensions are to be displayed in wide format, which command you'll use? |
A. | ir/w |
B. | ir a: |
C. | ir/s |
D. | ir/b |
Answer» B. ir a: | |
35. |
If you need to duplicate the entire disk, which command will you use? |
A. | opy |
B. | iskcopy |
C. | hkdsk |
D. | ormat |
Answer» C. hkdsk | |
36. |
Which command is used to display the subdirectory structure of the currently logged drive and pause the screen display after each screen full of the information? |
A. | ree |
B. | eltree/f |
C. | ir | more |
D. | ree | more |
Answer» E. | |
37. |
Which command is used to see the sub-directory structure of drive? |
A. | ree |
B. | ist |
C. | ubdir |
D. | ubtree |
Answer» B. ist | |
38. |
Which statement is valid about "TIME" command? |
A. | ime command is used to display and allow changes to the system time |
B. | ime format can be changed by changing in country setting in config.sys file |
C. | S DOS displays the time in 12-hour or 24-hour format |
D. | ll of above |
Answer» E. | |
39. |
Which command divides the surface of the blank disk into sectors and assign a unique address to each one |
A. | er |
B. | ormat |
C. | at |
D. | hkdsk |
Answer» C. at | |
40. |
If you don't know the current time, which command will you use to display |
A. | opy |
B. | er |
C. | ime |
D. | ormat |
Answer» D. ormat | |
41. |
While working with Ms-Dos which command transfers a specific file from one disk to another? |
A. | opy |
B. | iskcopy |
C. | ime |
D. | ename |
Answer» B. iskcopy | |
42. |
Which is LEAST likely to interfere with upgrading to a newer DOS version?%! |
A. | ROM BIOS |
B. | Video controller |
C. | Compressed drives |
D. | Existing backup files |
E. | None of the above |
Answer» C. Compressed drives | |
43. |
The autoexec.bat configuration file%! |
A. | Is run after config.sys on system boot-up |
B. | Contains all windows configuration files |
C. | Is also known as config.sys |
D. | Checks for system polarity |
E. | None of the above |
Answer» B. Contains all windows configuration files | |
44. |
Which two commands enable you to move between directories?%! |
A. | CD |
B. | CHDIR |
C. | MOVE |
D. | MOVE DIR |
E. | None of the above |
Answer» B. CHDIR | |
45. |
Which command is used to see the version?%! |
A. | Version |
B. | Ver |
C. | Verson |
D. | None of above |
Answer» C. Verson | |
46. |
Which command is used to see the disk volume label?%! |
A. | Ver |
B. | Vol |
C. | Version |
D. | Volume |
Answer» C. Version | |
47. |
Which command is used to see the contents of a file?%! |
A. | Type |
B. | Copy |
C. | Ed |
D. | None of above |
Answer» B. Copy | |
48. |
You can copy command.com to your disk from hard disk%! |
A. | true |
B. | false |
Answer» B. false | |
49. |
Which command is used to provide access to files located in other directories or disks?%! |
A. | Tree |
B. | Path |
C. | Dir |
D. | Cd |
Answer» C. Dir | |
50. |
In MS-DOS you can use small or capital letter of combination of both to enter a command but internally MS-DOS work with.%! |
A. | Small letter |
B. | Capital letter |
C. | Both a and b |
D. | None of above |
Answer» C. Both a and b | |