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CD and DVD
You must have seen these at your home or your school.
These are circular in shape and have a shiny surface. You
can store a lot of data in these. CD stands for
Compact Disc and DVD stands for Digital Versatile Disc. CD DVD
Pen Drive
A pen drive has higher capacity than that of a CD or a DVD. It is
so small that it can be carried around in the pocket.
Pen Drive
Memory Card
A memory card is also a storage device which is much smaller than a
pen drive or a CD. A memory card is used in a mobile phone, digital
camera or similar devices to increase their storage capacity.
Memory card
Hard disk is another type of storage device which is fitted inside the
CPU box. It has the highest storage capacity.
Recap
Storage devices are used to store our work on a computer.
CD stands for Compact Disc and DVD stands for Digital Versatile Disc.
A pen drive has higher capacity than that of a CD or a DVD.
A memory card is used inside a mobile phone, digital camera, etc.
Exercise
A. Tick ( ) the correct option.
1. Which of these is usually fixed inside a digital camera?
a. b. c.
Storage Devices 33

