Practice Test: Question Set - 23
1. In magnetic disks, data is organized on the platter in a concentric sets of rings called
- (A) Sector
- (B) Track
- (C) Head
- (D) Block
2. In virtual storage, program segments stored on disk during processing are called:
- (A) Tracks
- (B) Blocks
- (C) Pages
- (D) Sectors
3. A prefix for billion which is equal to _______ is called as billi.
- (A) 10
- (B) 100
- (C) 1000
- (D) 10000
4. The time taken for the read/write head to move to the correct track on the magnetic disk is called
- (A) Epoch
delay
- (B) Latency
delay
- (C) Seek
time
- (D) Approach
time
5. The monitor of a computer is connected to it by a
- (A) Wire
- (B) Cable
- (C) Line driver
- (D) Modem
6. A processing unit that coordinates networks and data communication is known as
- (A) Control unit
- (B) Communications
processor
- (C) Register
unit
- (D) CPU
7. Which of the following is not a sequence storage device?
- (A) Magnetic
disk
- (B) Magnetic
tape
- (C) Paper tape
- (D) All of the
above
8. When did Hewlett-Packard Inc. introduce its first HP-110 laptop computer?
- (A) 1984
- (B) 1986
- (C) 1990
- (D) None of the
above
9. The computers that we use are digital whereas we live in an analog world which means that we have to translate analog data into digital data. What is the name of the circuit which helps us in this conversion?
- (A) D/A
converter
- (B) A/D
converter
- (C) Voice
recognition
- (D) Adapter
10. The punched card used in the IBM System/3 contains
- (A) 80
columns
- (B) 96
columns
- (C) 120
columns
- (D) 126
columns
11. When was the IBM XT microcomputer released in the market?
- (A) 1970
- (B) 1971
- (C) 1987
- (D) 1986
12. The CPU chip used in a computer is partially made out of
- (A) Silica
- (B) Carbon
- (C) Copper
- (D) Gold
13. Which of the following professions has not been affected by personal computers?
- (A) Medical
- (B) Clerical
- (C) Accounting
- (D) None of the
above
14. The bubbles in a bubble memory pack are created with the help of?
- (A) Laser beam
- (B) Magnetic
field
- (C) Electric
field
- (D) X-ray
15. The disk concept for reducing time lost from rotational delay is:
- (A) Fixed block
addressing
- (B) Cylinder, track,
sector data
- (C) Staggered
addressing
- (D) Graduated
block identification
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