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Disc Operating System (DOS)

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

Conventional Memory
None of these
Extended Memory
Expanded memory
Reserved Memory

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

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Disc Operating System (DOS)
The _____ command allows you to modify the default prompt to provide other information

cursor
prompt
windows
click

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Disc Operating System (DOS)
What does MSCDEX.EXE do?

BIOS setup
it's a CD-ROM DOS driver
Configures hard drives
it's a SCSI driver
None of these

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Disc Operating System (DOS)
Which of the following operating does not implement multitasking truly?

Windows 98
Windows XP
Windows NT
MS DOS

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Disc Operating System (DOS)
Which of the following filename extension suggests that the file is a backup copy of another file?

TXT
BAS
COM
BAK *

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MORE MCQ ON Disc Operating System (DOS)

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