2~Components of Computer System

1.Which of the following groups consist of only input devices

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



D) Mouse, Keyboard, Scanner

2.Which of the following groups consist of only output devices?

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



C) Plotter, Printer, Monitor

3.A series of instructions that tells a computer what to do and how to do it is called a

  • A) program
  • B) user response
  • C) processor
  • D) command



A) Program

4.Any data or instruction entered into the memory of a computer is considered as

  • A) information
  • B) input
  • C) storage
  • D) output



B) Input

5.For seeing the output, you use––––––

  • A) monitor
  • B) mouse
  • C) keyboard
  • D) scanner



A) monitor

6.Which of the following is not an input device?

  • A) Microphone
  • B) Joystick
  • C) Keyboard
  • D) Monitor



D) Monitor

7.Codes consisting of lines of varying widths or lengths that are computer-readable are known

  • A) an ASCII code
  • B) a magnetic tape
  • C) an OCR scanner
  • D) a bar code



D) a bar code

8.Video processors consist of_____and_____
which store and process images.

  • A) CPU and VGA
  • B) CPU and memory
  • C) VGA and memor
  • D) VGI and DVI



D) VGI and DVI
¶ Virtual Gateway Interface
¶ Digital Visual Interface

9.The main circuit-board of the system unit is the

  • A) Motherboard
  • B) computer program
  • C) control unit
  • D) RAM



A) Motherboard

10.Which keys enable the input of numbers

quickly?

  • A) ctrl, shift and alt
  • B) the numeric keypad
  • C) function keys
  • D) arrow keys



B) the numeric keypad

11.What type of keys are ‘ctrl’ and ‘shift’?

  • A) function key
  • B) modifier
  • C) adjustment
  • D) alphanumeric



B) modifier

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