Page 18 - TP_Prime_v2.2_Class_3
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The output which is displayed on the screen of a monitor is called the soft copy. A
printout of the soft copy on paper is called the hard copy of the output.
Some of the commonly used output devices are shown below:
Monitor
A monitor looks like a television. It is also known as a Visual Display
Prime (Ver. 2.2)-III Unit or VDU. The monitor shows the data that you input and its
result (output) after the computer processes it.
Speakers
16 Speakers are used to hear music, voice and sound on a computer.
Headphones
A headphones is used to listen music and sound without disturbing
others as they are worn by an individual. But wearing them for a long
time can affect your hearing power and cause damage to your ears.
Printer
A printer is used to print the result of the work done by the computer on paper. We
can print documents, drawings, images, etc. in black and white as well as in colour
using a printer.
There are two types of printers.
Laser Printer
It uses a laser beam to print the hard copy.
Inkjet Printer
It sprays ink on the paper to print the hard copy.
If CPU is the brain of a computer, then which computer hardware is
its ear?

