COMPUTER KNOWLEDGE #47
MULTIPLE CHOICE QUESTIONS
1. Which
of the following memories has the shortest access times?
(a) Cache memory
(b) Magnetic bubble memory
(c) Magnetic core memory
(d) RAM
Answer:
(a)
2. A
small or intelligent device is so called because it contains within it a ……………
(a) computer
(b) microcomputer
(c) ) programmable
(d) sensor
Answer:
(d)
3. Which
of the following is not a primary storage device?
(a) Magnetic tape
(b) Magnetic disk
(c) Optical disk
(d) All of the above
Answer:
(d)
4. Who
invented Analytical engine?
(a) Blaise Pascal
(b) George Bool
(c) Charles Babbage
(d) Dr. Herman Hollerith
Answer:
(c)
5. CPU
speed of a personal computer is ……………
(a) 32 KIPS
(b) 100 KIPS
(c) 1 MIPS
(d) None of the above
Answer:
(b)
6. Circular
division of disks to store and retrieve data are known as ……………
(a) tracks
(b) sectors
(c) cycles
(d) rings
Answer:
(a)
7. Which
statement is valid?
(a) 1KB = 1024 bytes
(b) 1 MB=2048 bytes
(c) 1 MB = 1000 kilobytes
(d) 1 KB = 1000 bytes
Answer:
(a)
8. The
least significant bit of the binary number, which is equivalent to any odd
decimal number, is …………
(a) 0
(b) 1
(c) 1 or 0
(d) 3
Answer:
(a)
9. Which
of the following use a circuit that senses the movement by the change in its
capacitance?
(a) Capacitance keyboard
(b) Mechanical keyboard
(c) Qwerty keyboard
(d) Dvorak keyboard
Answer:
(a)
10. Who
invented the Stepped Reckoner?
(a) John Napier
(b) William Oughtred
(c) Gottfried Leibnitz
(d) Blaise Pascal
Answer:
(c)
11. What
is the term used to describe interconnected computer configuration?
(a) Multiprogramming
(b) Modulation
(c) Multiprocessing
(d) Micro program sequence
Answer:
(a)
12. While
inserting a diskette into the diskette drive of a PC, the diskette’s label side
should face ……………
(a) east
(b) north
(c) south
(d) up
Answer:
(d)
13. Most
of the inexpensive personal computers do not have any disk or diskette drive.
What is the name of such computes?
(a) Home computers
(b) Diskless computers
(c) Dedicated computers
(d) General purpose computers
Answer:
(b)
14. What
is a light pen?
(a) Mechanical input device
(b) Optical input device
(c) Electronic input device
(d) Optical output device
Answer:
(b)
15. Which
of the following class of computers can not support multiple users
simultaneously?
(a) Mainframe Computers
(b) Mini Computers
(c) Micro Computers
(d) All of the above
Answer:
(c)
16. Which
of the following is considered first computer in the world?
(a) Z3
(b) ABC
(c) Mark I
(d) None of the above
Answer:
(c)
17. When
a key is pressed on the keyboard, which standard is used for converting the
keystroke into the corresponding bits?
(a) ANSI
(b) ASCII
(c) EBCDIC
(d) ISO
Answer:
(a)
18. In
order to play and hear sound on a computer, one needs ……………
(a) a sound card and speakers
(b) a microphone
(c) Both ‘a’ and ‘b’
(d) None of the above
Answer:
(a)
19. Which
of the following devices can be sued to directly image printed text?
(a) OCR
(b) OMR
(c) MICR
(d) All of the above
Answer:
(a)
20. For
which of the following computers cannot be used?
(a) Gathering data
(b) Calculating data
(c) Comparing data
(d) Arranging data
Answer:
(a)
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