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Chapter Profile Chapter Profile
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 that 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
Clickipedia
Hard disk is another type of storage device which is fitted inside
the CPU box/cabinet. 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.
Storage Devices 37

