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CD

C
D
• CD stands for ompact isc.
• It is circular in shape.
CD
• It can also store huge amount of data.

DVD

D
V
D
• DVD stands for igital ersatile isc.
• It also looks like a CD.
• It stores more data than a CD.

PEN DRIVE

• Pen drive is also known as flash drive .

• It stores more data than the CD and DVD.

• It is easy to use and small enough to carry in your pocket.

Try It Out #Information Literacy

Unscramble the words given below.

1. UCP ______________ 2. RBOAYEKD ______________
3. RINEPTR ______________ 4. RNCANES ______________

5. DEAENOHPHS ______________ 6. PSU ______________

Tech Et ique e

¨ Do not play near a computer. The screen of a monitor is delicate. It may break

when hit with a solid object.

Flashback Time

¨ A monitor is also known as VDU (Visual Display Unit). Whatever we type using the
keyboard, can be seen on the monitor.

¨ A computer mouse has two or three buttons and a small wheel between the buttons. It is
always kept on a mouse pad.

¨ CPU stands for Central Processing Unit. It is the brain of computer. It does all the
tasks that we want the computer to do.

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