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
Answer: Option 'C'
kilobyte
- 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
Answer: Option 'C'
Magnetic tape
- 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'
Answer: Option 'C'
copy c:command.com a:
- 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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