2. What metaphor is used for the internet?

3. It is a kind of storage device that is smaller, faster, more durable, and have more capacity than the floppy disks and CDs.

4. Meaning of USB

SD card stands for

6.An ultra small flash memory card designed to provide high-capacity memory in a small size. Used in many small portable devices such as digital video camcorders, digital cameras, handheld computers, audio players and mobile.

7. It was introduced by IBM in 1956

8. Who is the inventor of HDD?

9.A piece of stiff paper that can be used to contain digital data represented by the presence or absence of holes in pre defined positions.

10.A punch card can hold about _____ characters and a box of cards holds 2000 cards.

11. What does SSD stands for?

12. When SSD invented?

14. When magnetic tape invented?

Who is the inventor of magnetic tape?

What is the capacity of Floppy disk?

Who invented floppy disk?

Who develop the cassette tape?

When cassette tape introduced?

Who invented CD-ROM

The data on the disc is "read-only", or cannot be altered or erased

What years does the CD-R developed?

Who developed CD-R?

What is the capacity of zip disk?

What is the function of zip drive?

It is apiece of computer equipment on which information can be stored?

DVD-R stands for?

What is the Capacity of DVD-R