Output Unit


 
 
Concept Explanation
 

Output Unit

Output Unit:

Output device receives the data from the CPU and displays it. Monitor is the most familiar type, as it provides a visual representation of the binary code within a computer's CPU. Other devices include scanners, printers, etc. where information can be sent.

Some common output devices are;

  • Visual Display Unit (Monitor)
  •  Printers
  •  Speakers
  • Output Devices

    An output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing to the outside world. Some of the commonly used output devices are monitor, printers, plotter, speaker, headphone projector etc. which are described below.

    Monitor

    It is also known as Visual Display Unit (VDU). The monitor is provided along with the computer to view the display result. A monitor is of two kinds; monochrome display monitor and colour display monitor. A monochrome display monitor uses only one colour to display text and colour display monitor can display 256 colours at a time. An image on the monitor is created by a configuration of dots, also known as pixels. The refresh rate of monitor is measured in Hertz (Hz). The clarity of image depends on three factors which are as follows.

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    Sample Questions
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    Question : 1

    Examples of output devices are ________________

    Right Option : D
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    Explanation
    Question : 2

    Which of the following is a type of Impact Printers?

    Right Option : C
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    Explanation
    Question : 3

    Which of the following is not an Output device ?

    Right Option : D
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    Explanation
     
     


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