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Projector
A projector projects or displays data of computer screen on a large screen
or surface for audience.
Smartboard
A smartboard is used in classrooms as a teaching tool. It is an interactive board
that displays information with the help of a projector.
Storage Devices
The devices that are used to store data are called storage devices. There are many storage
devices to store our data or work, so that we can get it back whenever we need it. Let us
discuss about some of the commonly used storage devices.
CD and DVD
The CD drive reads information stored on a Compact Disc
(CD). CD is an external storage device. DVD looks like a CD but
can store more than it.
Pen Drive
Pen drive is a portable device and is easy to use. It has large storage capacity
than DVD.
Hard Disk
The hard disk is permanently fixed in the system unit. It can store maximum
data or work.
Double Tap 21 st #Critical Thinking
Century
Skills #Information Literacy
Answer the following in one word:
1. It is used to enter data by simply touching the screen.
2. It displays data of computer screen on a large screen or surface
for audience.
3. It is used to play games on a computer.
14 Premium Edition-III

