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Headphones
Headphones are small speakers used to hear the sound without
causing any disturbance to others.
Headphones
Headset
A headset is a combination of headphones and a microphone.
Headset
#Digital Literacy
Let’s CatCh Up
Look at these pictures and fill in the missing letters.
1. = M __ U __ __ 2. = P __ I __ T __ R 3. = __ O __ I __ O __
i + STORAGE DEVICES
Other than input devices, processing devices and output devices, a computer also
uses storage devices. The storage devices are used to store our work. Some of the
storage devices are:
Hard Disk
Hard disk is fixed inside the CPU box. It can store the files that we
create on the computer and can be used later.
Hard Disk
Compact Disc (CD)
This disc is circular in shape. It is a small storage device. The storage
capacity of a CD is less than the hard disk.
CD
Digital Versatile Disc (DVD)
A DVD is similar to that of a CD in appearance. The storage capacity
of a DVD is more than a CD. DVD
Pen Drive
It is also known as USB Flash drive. It is a very small storage
device. The storage capacity of a pen drive is more than a DVD
Pen Drive but less than a hard disk.
Info Byte
Storage devices act as both input and output devices.
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Input and Output Devices

