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Types of CDs
1. CD-ROM (Compact Disc Read Only Memory): A CD-ROM is a CD containing
data which has been written at the time of manufacturing. The data cannot be
modified or erased.
2. CD-R (Compact Disc Recordable): A CD-R can be used to
write data by the user only once. This data cannot be changed
or erased.
3. CD-RW (Compact Disc Rewritable): A CD-RW can be used
to write data again and again. The data can be erased and
modified as many times as required. CD
Digital Versatile or Video Disc (DVD)
DVDs are now widely used in computers. They have now become
a popular medium for storing information and video. The DVD is
almost similar to a CD. Even the working is also similar. The only
difference is that it can hold more information than a CD. DVDs
are widely used for storing and viewing movies and other data.
DVD
Blu-Ray Disc
Blu-ray disc is an optical disc. It is used for storing large amount
of data, and playing videos. The main difference between DVDs
and Blu-ray discs is storage capacity.
Flash Drive Blu-Ray Disc
The Flash Drive is a small portable data storage device integrated with a USB
(Universal Serial Bus) connector.
Pen Drive
It acts as a portable hard drive and is easy to use as it is small and
can be carried in a pocket and plugged into any computer with a
USB drive. Pen drive has storage capacity of upto 1TB. Pen drive
Memory Card
It is commonly known as multimedia memory card. It is very small
in size usually 1–1.5 inches. These are used in mobile phones and
digital cameras. You need to have card reader to read stored data
on memory card.
Memory card
16 Premium Edition-V

