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Disc Operating System (DOS)

Disc Operating System (DOS)
Which was the last version of MSDOS that was released separately?

6
6.22
6.11
5

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Disc Operating System (DOS)
In which version of DOS. CHKDSK command has been changed to SCANDISK?

6.2
4.0
6.0
5.0

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Disc Operating System (DOS)
Upper Memory blocks are located where?

Reserved Memory
Expanded memory
Conventional Memory
None of these
Extended Memory

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Disc Operating System (DOS)
Which internal DOS command clears the screen and places the DOS prompt in the upper left corner of the screen?

exit
quit
close
cls

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

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

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Disc Operating System (DOS)
Which of the following file names are invalid in MSDOS?

Qwerty.1?3
MYFILE.DOS
CHECK$.(1)
Verified.###

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