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Disc Operating System (DOS)

Disc Operating System (DOS)
Which command in DOS can be used to recover accidentally deleted files?

RESTORE
RECOVER
DELETE/CANCEL
UNDELETE

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Disc Operating System (DOS)
Which command is used to delete all the files in the root directory of drive a

Del *.* a:
A:\del
Del a:\
Erase *.*

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Disc Operating System (DOS)
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

Copy a. *.txt
Copy *.txt c:
Copy *.txt a:
Copy *.txt all.txt

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Disc Operating System (DOS)
Which command will be used to display a column file compression ratio for each file of Double spaced disk?

DIR /C (/C switch introduced in DOS version 6.00)
DIR/S
DIR/W
DIR/B

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Disc Operating System (DOS)
A _____ boot is when DOS is restarted without turning off the computer.

shutdown
warm
system up
None of these
reboot

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Disc Operating System (DOS)
Which best describes a fragmented hard drive?

Clusters of data are damaged
Data files are corrupted
Files are not stored in consecutive clusters
The platters are bad

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MORE MCQ ON Disc Operating System (DOS)

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