Basic Computer Knowledge Fundamentals Questions and Answers MCQs Set - 9
1.
Which of the following is a correct definition of volatile memory?
A.)
It does its contents at high temperatures
B.)
It is to be kept in air-tight boxes
C.)
It loses its contents on failure of power supply
D.)
It does not lose its contents on failure of power supply
Answer: Option 'C'
It loses its contents on failure of power supply
2.
One thousand bytes represent a
A.)
megabyte
B.)
gigabyte
C.)
kilobyte
D.)
All of these
3.
Large amounts of cheques are processed by using
A.)
OCR
B.)
MICR
C.)
OMR
D.)
All of these
Answer: Option 'B'
MICR
4.
The concentric circles on the floppy disk are further divided into
A.)
tracks
B.)
sectors
C.)
cylinders
D.)
All of these
Answer: Option 'B'
sectors
5.
Which of the following storage devices can be used for storing large backup data?
A.)
Floppy disk
B.)
Hard disk
C.)
Magnetic tape
D.)
All of these
6.
Which statement is correct?
A.)
Directories can be kept inside a file
B.)
Files can not be kept inside a directory
C.)
1 millisec = 10^3 sec
D.)
None of these
Answer: Option 'C'
1 millisec = 10^3 sec
7.
CHKDSK can be used to find
A.)
disk's bad portion
B.)
occupied space
C.)
free space
D.)
All of these
Answer: Option 'D'
All of these
8.
DIR command is used to
A.)
display a list of files in a directory
B.)
display contents of files in directory
C.)
display type of files in a sub-directory
D.)
All of the above
Answer: Option 'A'
display a list of files in a directory
9.
To copy the file command.com from drive c: to drive a
A.)
drive c: copy drive a: command.com
B.)
c:a: copy command.com
C.)
copy c:command.com a:
D.)
Both '2' and '3'
10.
While working with MS-DOS which key is used to get the previous command used?
A.)
F3
B.)
F1
C.)
F6
D.)
F9
Answer: Option 'A'
F3
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