COMPUTER KNOWLEDGE #24
MULTIPLE CHOICE QUESTIONS
1. Which
generation of computer is still under development?
(a) Fourth Generation
(b) Fifth Generation
(c) Sixth Generation
(d) Seventh Generation
Answer:
(b)
2. What
is called the register organized to allow to move left or right operations?
(a) Counter
(b) Loader
(c) Adder
(d) Shift register
Answer:
(d)
3. Which
was the most popular first generation computer?
(a) IBM 650
(b) IBM 360
(c) IBM 1130
(d) IBM 2700
Answer:
(a)
4. Which
is considered a direct entry input device?
(a) Optical scanner
(b) Mouse and digitizer
(c) Light pen
(d) All of the above
Answer:
(d)
5. What
is called the set of information that defines the status of resources allocated
to a process?
(a) Process control
(b) ALU
(c) Register Unit
(d) Process description
Answer:
(d)
6. Each
set of Napier’s bones consisted of ………. rods.
(a) 5
(b) 9
(c) 11
(d) 13
Answer:
(c)
7. What
is BCD?
(a) Binary Coded Decimal
(b) Bit Coded Decimal
(c) Binary Coded Digit
(d) Bit Coded Digit
Answer:
(a)
8. When
was the world’s first laptop computer introduced in the market and by whom?
(a) Hewlett-Packard, 1980
(b) Epson, 1981
(c) Laplink Traveling Software Inc, 1982
(d) Tandy Model-200, 1985
Answer:
(b)
9. From
which generation operating systems were developed?
(a) First
(b) Second
(c) Third
(d) Fourth
Answer:
(c)
10. Which
was the first firm to mass-market a microcomputer as a personal computer?
(a) IBM
(b) Super UNIVAC
(c) Radio Shaks
(d) Data General Corporation
Answer:
(c)
11. How
many address lines are needed to address each machine location in a 2048 x 4
memory chip?
(a) 10
(b) 11
(c) 8
(d) 12
Answer:
(b)
12. What
is called properly arranged data?
(a) Field
(b) Words
(c) Information
(d) File
Answer:
(c)
13. A
computer consists of which of the following?
(a) A central processing unit
(b) A memory
(c) Input and output unit
(d) All of the above
Answer:
(d)
14. Why
are vacuum tubes also called valves?
(a) Because they can amplify the weak signals and make
them strong
(b) Because they can stop or allow the flow of current
(c) Both ‘a’ and ‘b’
(d) None of the above
Answer:
(b)
15. When
was Logarithm invented by John Napier?
(a) 1614
(b) 1617
(c) 1620
(d) None of the above
Answer:
(a)
16. An
integrated circuit is ……………
(a) a complicated circuit
(b) an integrating device
(c) much costlier than a single transistor
(d) fabricated on a tiny silicon chip
Answer:
(d)
17. What
type of control pins are needed in a microprocessor to regulate traffic on the
bus, in order to prevent two devices from trying to use it at the same time?
(a) Bus control
(b) Interrupts
(c) Bus arbitration
(d) Status
Answer:
(c)
18. Where
as a computer mouse moves over the table surface, the trackball is ……………
(a) Stationary
(b) Difficult to move
(c) Dragged
(d) Moved in small steps
Answer:
(a)
19. Which
of the following is used as a primary storage device?
(a) Magnetic drum
(b) Hard Disks
(c) Floppy
(d) All of the above
Answer:
(a)
20. Multi
user systems provided cost savings for small business because they use a single
processing unit to link several ……………
(a) Personal computers
(b) Workstations
(c) Dumb terminals
(d) Mainframes
Answer:
(c)
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