Input and Output Devices Question and Answers | Basic Computer Knowledge


An example of peripheral equipment is

   A.) CPU
   B.) printer
   C.) ALU
   D.) spreadsheet

Answer: Option 'B'



Which of the following groups consists of only input devices?

   A.) Mouse, Keyboard, Monitor
   B.) Mouse, Keyboard, Printer
   C.) Mouse, Keyboard, Plotter
   D.) Mouse, Keyboard, Scanner

Answer: Option 'D'

Mouse, Keyboard, Scanner


What are the units used to count the speed of a

   A.) CPM
   B.) DPI
   C.) PPM
   D.) BIT

Answer: Option 'B'


  • Important - Bits

      * Mouse was invented by Dauglas Engelbert at Stanford Research Centre in 1963.
      * Optical mouse was introduces by Microsoft in 1999. It uses a light beam to detect the movement.
      * A joystick allows movements in all directions (360)
      * Scanner stores images in both gray scale and colour mode.
      * Drag and drop refers to the action of clicking and holding down the mouse button while moving the mouse and realing it.
      * OCR technology is being developed for greater accurate recognition and is known as Intelligent Character Recognition (ICR).


What type of device is a digital camera?

   A.) Input
   B.) Output
   C.) Software
   D.) Storage

Answer: Option 'A'



A joystick is primarily used to/for

   A.) control sound on the screen
   B.) computer gaming
   C.) enter text
   D.) draw pictures

Answer: Option 'B'

computer gaming

Input and Output Devices Download Pdf

Recent Posts