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Tech Tweak
The result we get on the monitor screen is called soft copy and the result we
get on paper is called hard copy.
Speakers
Speakers are output devices that are used to give
output in the form of sound. They allow us to listen to
music and hear sound effects stored in a computer.
Speakers
Headphones
Headphones are devices that you wear on or in your ears to
listen to sounds from the computer. They let you hear music and
voices clearly without disturbing other people.
Headphone
Headset
A headset is a device you wear on your head that has headphones
and a microphone. It lets you listen to sounds from the computer
and talk to people at the same time.
Headset
Imagine, you have a magical input device that can take any object
from the real world and put it into your computer. What would you
put in, and what would you want the computer to do with it?
STORAGE DEVICES
Other than input, output, and processing devices, a computer also uses storage
devices. Storage devices are used to save our work on the computer for future
use. Some of the storage devices are:
Hard Disk
The hard disk is generally rectangular in shape and is
fixed inside the computer case. It can store a large
amount of information at a very fast speed.
Hard Disk
Input and Output Devices 29

