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Compact Disc (CD)
Compact disc (CD) is an external storage device. It can hold upto 700 MB of data.
The CD drive reads information stored on a compact disc. CD drive is usually
connected inside the CPU box but can also be connected using a USB port.
Digital Versatile Disc or Digital Video Disc (DVD) CD
DVD is almost similar to a CD. 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. The DVD drive reads information stored on a
DVD DVD.
Blu-ray Disc
Blu-ray disc is an optical disc. It is used for storing a large amount of data. The
main difference between DVDs and Blu-ray discs is that storage capacity of
Blue-ray disc is higher than that of the DVD. Blu-ray disc
Pen Drive
Pen drive is a portable storage device and is easy to use as it is small and
can be carried in a pocket and plugged into any computer with a USB
Pen drive drive. Pen drive has storage capacity of upto 1TB.
Memory Card
Memory card is commonly known as multimedia memory card. It is very small
in size usually 1-1.5 inches. These are used in smart phones and digital cameras.
You need to have a card reader to read the stored data on a memory card.
Memory card
Suppose you could create a virtual memory palace in your mind using a computer.
What rooms and objects would you include to help you remember important
information, like math formulas or historical facts?
Topic Flashback 21 st Century #Technology Literacy
Skills
Fill in the blanks.
1. is called the storage space in a computer.
2. holds the data even if the system is switched off.
3. A portable storage that is small and can be carried in a pocket is known as
a .
CodeGPT (Ver. 4.0)-IV
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