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Disc Operating System (DOS)

Disc Operating System (DOS)
DOS uses letters of the alphabet to designate disk drives. How many disk drives can DOS address (recognize)?

26
16
1
4

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Disc Operating System (DOS)
The batch file uses the extension

.DOS
.DOC
.BAT
.PRG

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Disc Operating System (DOS)
Which DOS command is used to remove and scan memory and disk from viruses?

DEFRAG
VSAFE
MSAV
SCANDISK

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Disc Operating System (DOS)
Which of the following statements is true in regard to diskcopy?

Discopy is a built in command in dos
Copy and discopy are same
Diskcopy can be used with a floppy and a hard disk
Diskcopy can be used on hard disks

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Disc Operating System (DOS)
What command can you add to the AUTOEXEC.BAT file so that your computer temporarily stops in the execution of the file before continuing?

Pause
Halt
Wait until Files="x"
Wait x.xx seconds

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Disc Operating System (DOS)
Which is valid extension that user creates on operating system?

Com
Exe
Sys
Bat

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