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.
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.
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.
Which of the following is a type of Impact Printers? | |||
Right Option : C | |||
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Which among the following is the smallest unit in an image in a computer screen ? | |||
Right Option : B | |||
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________________ printers cannot print more than one character at a time. | |||
Right Option : D | |||
View Explanation |
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