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Disc Operating System (DOS)

Disc Operating System (DOS)
Internal command in Dos are

Cls, rd label
Dir, ren, sys
Del, disk copy, label
Time, type, dir

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Disc Operating System (DOS)
While working with MS-DOS which command is used to change the extension of all filenames ending with .txt to .doc?

Ren *.txt *.doc
Ren file.doc file.txt
Ren a: *.doc *.txt
Ren *.doc *.txt

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

Extended Memory
Conventional Memory
Expanded memory
None of these
Reserved Memory

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Disc Operating System (DOS)
The term TSR is an abbreviation for:

Terminate Stay Resident
Terminal Still Ready
Terminate Stay Ready
Testing System Read
None of these

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Disc Operating System (DOS)
Which type of command in DOS needs additional files for their execution?

External commands
Redirectors
Batch commands
Internal commands

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Disc Operating System (DOS)
Which command is used to see the contents of a file?

Ed
None of above
Copy
Type

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