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Exam Review
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1.
The invention of the microprocessor
a)
made possible the second generation of computers.
b)
gave computers the ability to accept data.
c)
made computers more expensive.
d)
made it possible to build the microcomputer.
2.
The calculating machines invented by Pascal and Leibniz did not work
because
a)
they were mechanically unreliable.
b)
they did not use punched cards.
c)
they were too big.
d)
they were made of wood.
3.
Mainframe computers
a)
are large and are usually used for multi-user applications.
b)
usually store and process small amounts of information.
c)
are small enough to fit on a desktop.
d)
are usually used by a single user.
4.
A program is a list of instructions
a)
written in English that tells the computer what to do.
b)
written in BASIC that tells the computer how to think.
c)
that makes the computer think.
d)
written in a special language that the computer understands.
5.
The use of magnetic tape improved the performance of computers by
a)
making them smaller.
b)
giving them the ability to read and write data quickly and reliably.
c)
giving them the ability to understand English-like instructions.
d)
giving them the ability to make comparisons about data.
6.
A computer can
a)
understand emotions.
b)
think like a person.
c)
make decisions.
d)
make moral judgements.
7.
Which mechanical device served as a model for the modern computer?
a)
the Mark I
b)
the Stepped Reckoner
c)
the Pascaline
d)
the Analytical Engine
8.
Hollerith’s tabulating machine was invented to
a)
produce navigational charts.
b)
process U. S. Census data.
c)
punch programming cards.
d)
run weaving looms.
9.
What hardware components are used for entering data and commands?
a)
keyboard and mouse
b)
monitor and printer
c)
memory and printer
d)
keyboard and memory
10.
Herman Hollerith’s tabulating machine worked better than previous
machines primarily because it used
a)
metal rather than wooden gears.
b)
levers rather than punched cards.
c)
electricity rather than mechanical gears.
d)
mechanical telephone relay switches rather than punched cards.
11.
A major advantage of using programming languages in early computers was
that
a)
calculating speed was increased.
b)
computers could be made inexpensively.
c)
instructions could be changed without flipping switches or pulling wires.
d)
instructions could be changed by using transistors.
12.
The Mark I was not considered a computer because
a)
it used mechanically unreliable parts.
b)
it did not use punched cards.
c)
it could not perform multiplication or division.
d)
it could not make decisions about the data it processed.
13.
The Atanasoff-Berry Computer and the ENIAC were
a)
second generation computers.
b)
machines that could not make decisions.
c)
electromechanical devices.
d)
first generation computers.
14.
Ada Byron is credited with
a)
designing the Analytical Engine.
b)
being the first programmer.
c)
designing the Difference Engine.
d)
creating a programming language for the Department of Defense.
15.
What is not an advantage of using transistors instead of tubes?
a)
increased calculating speed
b)
reduced cost
c)
increased reliability
d)
decreased number of instructions needed to perform a calculation
16.
An integrated circuit is
a)
a set of logical instructions needed to run a computer.
b)
a large number of tubes wired together.
c)
a silicon wafer with intricate circuits etched into its surface.
d)
a large number of transistors wired together.
17.
What advantage does the computer have over the human brain?
a)
the ability to store and recall large amounts of data over long periods of time
b)
the ability to process data quickly
c)
the ability to work 24 hours a day without rest
d)
All of the above are advantages the computer has over the human brain.
18.
What is not a high-level programming language?
a)
COBOL
b)
Pascal
c)
machine language
d)
FORTRAN
19.
When a computer is turned off, any data stored in RAM:
a)
is automatically printed.
b)
will appear on the screen when the computer is turned on again.
c)
is saved.
d)
is lost.
20.
What best describes the CPU?
a)
a chip inside the computer where data can be stored electronically
b)
a chip inside the computer that processes data and controls the flow of data
c)
a device that displays or stores processed data
d)
a device from which the computer can accept data
21.
ROM in a computer
a)
contains instructions that can be changed or erased.
b)
contains instructions that cannot be changed.
c)
solves mathematical equations.
d)
stores numeric data.
22.
How many states do electrical circuits on an IC (integrated circuit)
have?
a)
three: + - /
b)
four: + - * /
c)
three: on, off, or wait
d)
two: on or off
23.
A bit is
a)
a single 0 or 1 in the binary code.
b)
equal to 64K of RAM.
c)
a group of eight 0s or 1s in the binary code.
d)
a person’s name stored in memory.
24.
What would not be considered hardware?
a)
keyboard
b)
CPU
c)
monitor
d)
program
25.
Software that is written specifically for a particular need of a business
or organization is called
a)
calculation software.
b)
applications software.
c)
filing software.
d)
machine software.
26.
Learning to program can
a)
help develop problem-solving skills.
b)
help acquaint you with a computer’s capabilities and limitations.
c)
be a lot of fun.
d)
All of the above are correct.
27.
What is not a storage device?
a)
diskette
b)
CD-ROM
c)
hard disk
d)
CPU
28.
The number system used by the computer is called
a)
base-16 or Hexadecimal
b)
binary.
c)
Arabic.
d)
ASCII.
29.
What code was developed in order to allow computers to interchange
information?
a)
ASCII
b)
binary
c)
base
d)
memory
30.
The size of memory in a computer can be measured in
a)
megabytes.
b)
RAM.
c)
nanoseconds.
d)
ASCII.
31.
A computer user who breaks into someone else’s computer system is called
a
a)
Webmaster.
b)
cracker.
c)
pirate or hacker
d)
virus.
32.
One ethical responsibility of every computer programmer is to
a)
ensure, as best as he or she can, the reliability of the computer software.
b)
guarantee that the computer hardware operates correctly.
c)
ensure the computer software contains no foul language.
d)
guarantee that the computer program will always operate correctly.
Use the diagram below to
answer the following questions
33. The component numbered 1 is the
_______
a) CPU
b) Keyboard
c) mouse d)
monitor
34. The component numbered 2 is the
___________
a) CPU
b) Keyboard
c) mouse d)
monitor
35. The component numbered 3 is the
___________
a) CPU
b) Keyboard
c) mouse d)
monitor
36. The component numbered 4
is the ___________
a) CPU
b) Keyboard
c) mouse d)
monitor
Use the diagram below to
answer the following questions
Data being processed by the computer
flows through four separate units.
37. Unit 1 is called the________
a) cpu
b) output
c) input
d) storage
38. Unit 2 is called the________
a) cpu
b) output
c) input
d) storage
39. Unit 3 is called the________
a) cpu
b) output
c) input
d) storage
40. Unit 4 is called
the________
a) cpu
b) output
c) input
d) storage
41. A
computer network is an integration of computer systems, workstations, and
communication links.
a) true
b) false
c) only true in a LAN
d) only true in a WAN
42.
Four main hardware components of a network are
a)
Personal computers, mainframes, laptops, hubs
b)
Supercomputers, printers, personal computers, mainframes
c)
Mainframes, laptops, hubs, printers
d)
None of the above
43. Software components of a network are
a)
Application, desktop software, and networking operating systems.
b)
Application, desktop software, and printer drivers
c)
Printer drivers, desktop software, and networking operating systems
d)
None of the above
44. Two main
advantages of networking computers.
a)
Saves money and taxes
b)
To reach far places and to share info
c)
To share printers and allow multiple users
d)
None of the above
e)
All of the above
45. Choose the correct statement (s)
a) Analog and digital signals are both
real-world signals
b) Digital signals are real-world signals only
c) Digital signals are electrical binary signals
d) Analog signals can vary continuously
e) Both (C) and (D) are true answers
46. Two examples of analog signals are
a)
Temperature and DC voltage
b)
Pressure and Temperature
c)
DC Voltage and Current
d)
A switch going on and off
47. Examples of digital
signals are
a)
Temperature and DC voltage
b)
Pressure and Temperature
c)
DC Voltage and Current
d)
A switch going on and off
e)
Both
(C) and (D) are correct
examples
48. The word MODEM is
derived from these two words
a)
Modulator/demonstration
b) model/digital
c)
Modulator/demodulator
d) modern/desktop
49. A modem converts
digital computer signals to analog transmissions and vice versa
a) true
b) false
c) only on the internet
d) only on MSN
50. A modem can be
used to transfer information between two computers
a) true
b) false
c) only on the internet
d) only on MSN
51. Digital signals can ONLY be transmitted in
a) parallel form
b) serial form
c) both (A) and (B)
d) neither (A) nor (B)
52. A serial transmission sends
A) one bit at a time
b) 8 bits at a time
c) either 8 bits or 1 bit at a time
d) 16 bits at a time
53. A parallel transmission sends
a) one bit at a time
b) 8 bits at a time
c) either 8 bits or 1 bit at a time
d) 16 bits at a time
54. Choose the correct statement (s)
a) Parallel transmissions are faster than serial transmissions
b) Parallel transmissions are slower than serial transmissions
c) parallel transmissions are just as fast as serial transmissions
d) Serial transmissions are not generally used in networks
55. Choose the correct statement (s)
a) Parallel transmissions require individual lines
b) Parallel transmissions are more expensive than serial transmissions
c) Both (A) and (B) are true
d) Both (A) and (B) are false
56. Data transfer on a computer motherboard is
a) asynchronous
b) synchronous
c) symmetric
d) asymmetric
57. A fixed clock signal is an example of…………… transmission
a) asynchronous
b) synchronous
c) symmetric
d) asymmetric
58. Data that moves between two computers over phone lines is an example of
…………….. transmission
a) asynchronous
b) synchronous
c) symmetric
d) asymmetric
59. Three main types of cable transmissions are
a) twisted pair, deformed pair, fibre optic
b) twisted pair, telegraph, wireless
c) supersonic, subsonic, coaxial
d) coaxial, fibre optic, twisted pair
60. Two advantages of twisted pair cables are
a) long distance reach and low volume transmission
b) low cost and long distance reach
c) large data transfer and low cost
d) inexpensive installation and susceptible to interference
61. Two disadvantages of fibre optic cables are
a) long distance reach and low volume transmission
b) low cost and long distance reach
c) large data transfer and low cost
d) expensive installation and susceptible to interference
e) expensive installation and not readily available everywhere
62. Two advantages of coaxial cables are
a) long distance reach and relatively inexpensive
b) low cost and low frequency transmission
c) large data transfer and low cost
d) inexpensive installation and not susceptible to interference
63. Two disadvantages of coaxial cables are
a) long distance reach and relatively inexpensive
b) High cost and low distance reach
c) large data transfer and low cost
d) expensive installation and susceptible to interference
64. ………… have a an outer protective insulator as opposed to a
plastic casing
a) coaxial cables
b) fibre optic cables
c) twisted pair cables
d) telephone wires
65. ……….. are the minimum number of satellites needed for total global
communications
a) six satellites
b) five satellite
c) three satellites
d) four satellites e) two satellites
66. In satellite transmissions, signals are_________ from the receiving
antenna
a) dispersed
b) refracted
c) deleted
d) reflected
67. A single, central, external connection device called a ___________
is used to control the signals on a network.
a) node
b) server
c) router
d) hub
68. LAN stands for
a) long annular node
b) land network
c) large area network
d) local area network
e) none of the above
69. WAN stands for
a) World annular node
b) World Analog network
c) Wired area network
d) Wide area network
e) none of the above
70. Computer networks allow different kinds of computers to be linked together
and share resources
a) true
b) false
c) only on WANS
d) only on
LANS
71. A PC based network does not provide the same flexibility for additional
computations as a mainframe network
a) true
b) false
c) only on WANS
d) only on
LANS
72. Networked PCs are more adaptable to changing environments
a) true
b) false
c) only on WANS
d) only on
LANS
73. The term……….. is used to describe the physical organization of computers on
a LAN like the one you are now using
a) topology
b) wireless system
c) peer-to-peer system
d) client-server system
74. In a. ……………Network, computers are linked together in series on a common
trunk line
a) serial
b) star
c) ring
d) bus
75. In a. ……………Network, computers are linked together through a hub, but they
are independent of each other
a) serial
b) star
c) ring
d) bus
76. One advantage of a ring-type network is that transmissions are very fast and
efficient.
One disadvantage is that
a) they are very complicated
to administer
b) they don’t use a hub
c) if the main line is disconnected, the token is interrupted for all
computers in the ring
d) if one computer is disconnected, the token is interrupted
for the next in-line PC
e) both c) & d) are correct responses
77. Three types of networking software are
a) operating system, application, graphics
b) network operating system, application, workstation
c) operating system, workstation, graphics
d) workstation, application, graphics
78. ……………… handles the communication between the various workstation operating
systems
a) operating system software
b) application software
c) graphics interface software
d) network operating system
79, A …………………… network operating system refers to the O/S in the file server
itself
a) client-client
b) peer-peer
c) client-server
d) peer-server
80. In a. ………… Network, the network operating system is stored
on each individual computer so
that each computer works both as server and workstation
a) client-client
b) peer-peer
c) client-server
d) peer-server
81. The term client, in computer networking refers to
a) computer on a server-based network
b) a server
c) a user on a network
d) both a (A) & (C)
e) none of the above
82. Seymour Cray is credited with the development of the
a) Supercomputer
b) Internet
c) both (A) & (B) d) none
of the above
83. One of the following is a correct statement:
a) The Internet is an example of a WAN
b) An Intranet is an example of a LAN
c) both Internet and Intranet are examples of LANs
d) both Internet and Intranet are examples of WANs
84. The term www stands for
a) wide world WAN
b) World wide WAN
c) world wide web
d) none of the above
85. The term ISP stands for
a) Internet system protocol
b) internet service provider
c) internet service policy
d) intranet service provider e) both
(b) and (d)
86. The development of the internet has created a society of “haves” and “have
nots”
a) False
b) True
c) Maybe d) Only in
the beginning
87. The term IRC is a short form for
a) Internet request Call
b) Internet Related Chat
c) International Router Control
d) Intranet Request Control
88. A device that connects different network technologies together is called a
a) hub
b) modem
c) router
d) node
89. A device, such as a computer or printer, connected on a network is known as
a
a) hub
b) modem
c) router
d) node
90. The first internet service that allowed messages to be sent among users is
a) e-mail b) chat
c) ICQ
d) MSN
SOLUTIONS
BACK TO THE TOP
HOME
1. D 2. A 3. A
4.A 5. B 6. C
7.A 8. B
9. A 10. C 11. C 12.D
13. D 14. B 15. d 16. C
17. D 18. C 19. D 20. B
21. B 22. D 23. A
24. D 25. B 26. D 27. D
28. B 29. A 30. A 31. C
32. C 33. D 34. A
35. B 36. C 37. C 38. D
39. B 40. A 41. A 42. A
43. C 44. E 45. E
46. B 47. E 48. C 49. B
50. A 51. A 52. A 53. B
54. A 55. C 56. B
57. B 58. B 59. D 60. D
61. E 62. C 63. B 64. B
65. C 66. D 67. D
68. D 69. D 70. A 71. A
72. A 73. D 74. B 75. D
76. E 77. B 78. D
79. C 80. B 81. D 82. B
83. A 84. C 85. B 86. B
87. B 88. C 89. D 90. A
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