Practice Test: Question Set - 20
1. Which statement is valid about computer program?
- (A) It is
understood by a computer
- (B) It
is understood by programmer
- (C) It
is understood user
- (D) Both (a) and
(b)
2. What is required when more than one person uses a central computer at the same time?
- (A) Light pen
- (B) Mouse
- (C) Digitizer
- (D) Terminal
3. A byte consists of
- (A) One bit
- (B) Four bits
- (C) Eight bits
- (D) Sixteen bits
4. In the IBM PC-AT, what do the words AT stand for?
- (A) Additional
terminals
- (B) Advance
technology
- (C) Applied
technology
- (D) Advanced
terminology
5. Fifth generation computers are likely to exhibit
- (A) Artificial
intelligence
- (B) Heuristic
behaviour
- (C) Advanced
parallel processing
- (D) All
of the above
6. Which of the following is used for serial access storage only?
- (A) RAM
- (B) Magnetic
tape
- (C) Magnetic
disk
- (D) Core
memory
7. Different components on the motherboard of a PC processor unit are linked together by sets of parallel electrical conducting lines. What are these lines called?
- (A) Conductors
- (B) Buses
- (C) Connectors
- (D) Connectively
8. Pick out the wrong statement.
- (A) Information
stored in RAM can be changed by over writing it
- (B) Information
stored in ROM cannot be changed by overwriting
- (C) Information
can be stored in any location of RAM
- (D) Computer
main memory can be accessed only sequentially
9. Which is true for the digital computer?
- (A) It
is less accurate than the analog computer
- (B) It
represents the decimal numbers through a string of binary digits
- (C) It
is used primarily in scientific applications
- (D) Both (a) and
(c)
10. Which of the following is not true of immediate processing?
- (A) It
is often used in real-time applications
- (B) It
can occur with either sequential of direct-access files
- (C) It can be
used in an airline-reservation system
- (D) Transactions
are processed shortly after a real-world event occurs
11. Primary storage is _______as compared to secondary storage.
- (A) Slow
and inexpensive
- (B) Fast
and inexpensive
- (C) Fast
and expensive
- (D) Slow
and expensive
12. EBCDIC can code up to how many different characters?
- (A) 16
- (B) 32
- (C) 64
- (D) 256
13. Which of the following is a part of the Central Processing Unit?
- (A) Printer
- (B) Keyboard
- (C) Mouse
- (D) Arithmetic
Logic Unit
14. A double sided magnetic disk pack has six disks. Can you tell how many surfaces of this pack are normally used?
- (A) 6
- (B) 9
- (C) 10
- (D) 12
15. When did IBM close the last of its punched card manufacturing plant?
- (A) June, 1989
- (B) December,
1984
- (C) March, 1982
- (D) November,
1979
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