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Disk Operating System (dos)(Computer Science ) Questions and Answers
Home
Topic
Computer Science
Disk Operating System (dos)
Question 1.
Which command is used to delete the directory that is empty?
DEL *.*
RD
ERASE
MD
None of the above
Explanation:-
Answer: Option B. ->
RD
Question 2.
To organize files on a disk, MS-DOS separates them into areas called _____
directories
buckets
areas
area directories
None of the above
Explanation:-
Answer: Option A. ->
directories
Question 3.
Which of the following applies to external DOS commands?
External commands reside in RAM until called
External commands are stored on disk separately from COMMAND.COM
External commands must always be used with the /e switch
External commands can only be executed from a batch file.
None of the above
Explanation:-
Answer: Option B. ->
External commands are stored on disk separately from COMMAND.COM
Question 4.
The MODE command of MS-DOS is used to
display information about several types of devices installed in your computer
provide various types of control over your printers
make changes of the current display
All of the above
None of the above
Explanation:-
Answer: Option D. ->
All of the above
Question 5.
Which command will be used to display file and directory names only, without size, date, and time information?
DIR/W
DIR A:
DIR/B
DIR/S
None of the above
Explanation:-
Answer: Option C. ->
DIR/B
Question 6.
The deleted file in MS-DOS can be recovered if you use the command mention below immediately, the command is:
DO NOT DELETE
NO DELETE
UNDELETE
ONDELETE
Explanation:-
Answer: Option C. ->
UNDELETE
Question 7.
Xcopy command can copy
Individual files or group of files
Directories including subdirectories
To diskette of a different capacity
All of above
Explanation:-
Answer: Option D. ->
All of above
Question 8.
While working with MS-DOS which key is used to get the p[revious command used:
F3
F1
F6
F9
Explanation:-
Answer: Option A. ->
F3
Question 9.
To copy the file command.com from drive c: to drive a:
Drive c: copy drive a:\command.com
C:A: copy command.com
Copy c:\command.com a:
Both b and c
Explanation:-
Answer: Option C. ->
Copy c:\command.com a:
Question 10.
FAT stands for
File Accomodation Table
File Access Tape
File Allocation Table
File Activity Table
Explanation:-
Answer: Option C. ->
File Allocation Table
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