Input and Output Devices Question and Answers | Basic Computer Knowledge


The higher the resolution of a monitor, the

   A.) larger the pixels
   B.) less clear the screen is
   C.) further apart the pixels
   D.) closer together the pixels

Answer: Option 'D'

closer together the pixels


The CRT is ________ in shape.

   A.) circular
   B.) rectangular
   C.) eclipse
   D.) conical

Answer: Option 'B'


  • Input Devices


In MICR, C stands for

   A.) code
   B.) colour
   C.) computer
   D.) character

Answer: Option 'D'



The OCR is used for the preparation of

   A.) electricity bills
   B.) insurance premium
   C.) telephone bills
   D.) All of the above

Answer: Option 'D'

All of the above


The transfer of data from a CPU to peripheral devices of computer is achieved through

   A.) interfaces
   B.) buffer memory
   C.) modems
   D.) I/O ports

Answer: Option 'D'

I/O ports

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