Storage Devices

1. RPM stands for:

a) Reflects per minute
b) Reading Operations per minute
c) None of above
d) Rotations per minute

2. Smallest unit of memory is:

a) Byte
b) Word
c) Bit
d) Character

3. Four-platter hard disk contains:

a) 8 Read/Write heads
b) 5 Read/Write heads
c) 10 Read/Write heads
d) 20 Read/Write heads

4. DIMM stands for:

a) DOS In-line Memory Module
b) None of the above
c) Disk In-line Memory Module
d) Dual In-line Memory Module

5. 1 Kilobyte is equal to:

a) 1015 bytes
b) 1020 bytes
c) 1000 bytes
d) 1024 bytes

6. A pit in a CD-ROM represents

a) 1
b) 0
c) 2
d) 0 or 1

7. Function of main memory is controlled by:

a) Control unit
b) Arithmetic and logic unit
c) Logic unit
d) System unit

8. 1 Megabyte is equal to:

a) 1024 Bytes
b) 1024 Kilobyte
c) 1024 Gigabyte
d) 1024 Terabytes

9. Speed of DIMM is:

a) Less than SIMM
b) None of above
c) Equal to SIMM
d) Higher than SIMM

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