Storage Devices

1. A byte is a group of:

a) 4 nibbles
b) 10 bits
c) 8 bits
d) 16 bits

2. Which one of the following is volatile memory?

a) RAM
b) ROM
c) PROM
d) EPROM

3. SIMM stands for:

a) d) None of above
b) c) System In-line Memory Module
c) b) Single In-line Memory Module
d) a) Secondary In-line Memory Module

4. The storage capacity of a CD-ROM is approximately equal to:

a) 500 floppy
b) 200 floppy
c) 1000 floppy
d) 100 floppy

5. ROM is a part of computer's

a) None of the above
b) External memory
c) Direct access memory
d) Internal memory

6. Which of the following devices has single track?

a) Floppy disk
b) Magnetic tape
c) CD-ROM
d) Hard disk

7. Which of these is the fastest memory device?

a) CD-ROM
b) Floppy disk
c) Hard disk
d) RAM

8. The data from RAM can be accessed at a speed close to:

a) Speed of sound
b) Supersonic speed
c) Speed of ultrasonic
d) Speed of light

9. Four nibbles are equal to

a) One byte
b) Two bytes
c) Four bytes
d) Eight bytes

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