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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