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Dos
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Q.1
Which command creates a directory or subdirectory?
Dir
Mkdir
Md
Both b and c
Q.2
The command used to copy a file named temp.doc from drive C: to drive A: is
Copy temp.doc to a:
Copy c:\temp.doc a:
Copy c: a:
Copy temp a: c:
Q.3
CHKDSK command is used to
Analyze the hard disk error
Diagnose the hard disk error
Report the status of files on disk
All of the above
Q.4
Format command is used to
Prepare a blank disk
Create a new blank disk from a used one
Both of above
None of above
Q.5
DEL command is used to
Delete files
Delete directory
Delete labels
Delete contents of file
Q.6
Which command is used to delete the directory that is empty?
Del *.*
RD
Erase
MD
Q.7
RESTORE command is used to
Restore files from disks made using the BACKUP command
Restore files which are deleted
Restore files from recycle bin
Restore files which are deleted recently
Q.8
In which version of DOS. CHKDSK command has been changed to SCANDISK?
5.0
6.2
6.0
6.2
Q.9
A list of records is a ____________.
Table
Field
Guide
Q.10
Factor: x3 + 1
(x + 1)3
(x+1)(x2 - x + 1)
(x - 1) (x2 + x - 1)
(x + 1)(x2 - 2x + 1)
Q.11
List all the possible rational zeros h(x) = x3 - 5x2+2x+12
1,2,3,4,6,12
1,2,6,12
1,2,3,4,6,12,-1,-2,-3,-4,-6,-12
Q.12
9x2 - 49y6
(3x + 7y3)(3x + 7y3)
(3x - 7y3)(3x + 7y3)
(3x - 7y3)(3x - 7y3)
Prime
Q.13
List all of the possible rational zeros p(x) = 3x2+x+7
-1/3, -7/3, -1, -7, 1/3,7/3,1,7
1/3,7/3,1,7
1, 7, 14, 21
Q.14
Decide if (x-is a factor of 3x3+10x2-x-12
Yes, it is a factor!
No, it is not a factor!
Q.15
What is the remainder when a3 - 4 is divided by a+2?
-2
-6
-12
0
Q.16
What does 'MS' from MS-DOS stand for?
Motionless
Microsoft
Maybe Supper
Q.17
What was MS-DOS' final release?
Windows 98
Windows 95
Windows Me
Q.18
Who is the developer of MS-DOS?
Mozilla
Microsoft
Chrome
Q.19
What is the full name of DOS?
Dove Orange Snake
Disc Operating System
Dallas Original Sword
Q.20
What is the successor of MS-DOS?
Microsoft Windows
MacOS
Linux
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