Computer Awareness Questions on Computer Networks

1. _____terminals (formerly known as cash registers) are

often connected to complex inventory and sales computer

systems.

(1) Point-of-sale (POS)

(2) Data (3) Sales

(4) Query

(5) None of these

2. Smaller and less expensive PC-based servers are

replacing ____ in many busi-nesses.

(1) supercomputers

(2) mainframes

(3) laptops (4) clients

(5) None of these

3. DSL is an example of a(n) _____ connection.

(1) network (2) wireless

(3) slow

(4) None of these

(5) broadband

4. A term used to describe interconnected computer

configuration is

(1) Micro program sequence

(2) Modulation

(3) Multiprocessing

(4) Multiprogramming

(5) None of these

5. What is required when more than one person uses a

central computer at the same time?

(1) Light pen (2) Mouse

(3) Terminal (4) Digitizer

(5) None of these

6. Multi user systems provided cost savings for small

business because they use a single pro-cessing unit to link

several

(1) Personal computers

(2) Dumb terminals

(3) Workstations

(4) Mainframes

(5) None of these

7. A dumb terminal has

(1) An embedded micro-proces-

(2) Extensive memory

(3) A keyboard and screen

(4) Independeh I processing

(5) None of these

8. What is the full form of USB as used in computer related

activities ?

(1) Universal Serial Bus

(2) Ultra Serial Block

(3) United Service Block

(4) Universal Security Block

(5) None of these

9. A device that connects to a network without the use pf

cables is said to be—

(1) distributed

(2) open source

(3) centralized

(4) wireless

(5) None of these

10. A ___ is a collection of com-puters and device connected

together.

(1) network

(2) memory card

(3) protocol

(4) central processing unit

(5) None of these Allahabad Bank Clerk Exam, 31.08.2008

11. Multiplexing involves_ path and _ channel.

(1) one, one

(2) multiple, one

(3) one, multiple

(4) multiple, multiple

(5) None of these

12. Which one amongst them is not an inter network ?

(1) LAN (2) WAN

(3) MAN

(4) All are internet works

(5) None of these

13. A proxy server is used for which of the following ?

(1) To provide security against unauthorized users

(2) To provide TCP/IP

(3) To process client requests for datab'ase access

(4) To process client requests for Web pages

(5) None of these

14. The ability to easily add addi-tional users means that a

net work is

(1) secure

(2) dedicated

(3) decentralized

(4) scalable

(5) None of these

15. If you wish to extend the length of the network without

having the signal degrade, you would use a

(1) repeater

(2) switch

(3) gateway

(4) router

(5) None of these

16. A(n) __ is a private corporate network, used exclusively

by company employees.

(1) intranet

(2) local area network

(3) peer-to-peer

(4) Internet

(5) None of these

17. A characteristic of a file server is which of the following ?

(1) Acts as a fat client and is limited to one PC

(2) Manages file operations and is limited to one PC

(3) Acts as a fat client and is shared on a network

(4) Manages file operations and is shared on a network

(5) None of these

18. Which of the following terms is just the connection of networks

that can be joined together?

(1) Virtual private network

(2) Internet

(3) None of these

(4) Extranct (5) Intranet

19. Servers are computers that provide resources to the

other computers connected to a _

(1) Mainframe (2) Network

(3) Super computer

(4) Client

(5) None of these

20. The most important or power-ful computer in a typical

network is

(1) desktop

(2) network cliejit

(3) network station

(4) network server

(5) None of these SBI Clerk Exam, O6.07.200S

21. To make a notebook act as a desktop model, the

notebook can, be connected to a__ which is connected to a

monitor and other devices.

(1) bay (2) network

(3) port

(4) docking station

(5) None of these

22. A set of rules that computer on a network use to communicate

with each other are called

(1) Protocol

(2) Regulations

(3) Rules

(4) Netiquettes

(5) None of these

23. Which of the following refers to a small, single site

network?

(1) CPJ (2) DSL

(3) RAM (4) USB

(5) LAN

24. Computer connected to a LAN {Local Area Network) can

(1) share information and/or share peripheral equipment

(2) go on line

(3) run faster (4) E-mail

(5) None of these

25. The __ is a device that connects n inputstom outputs,

(1) Crosspoint

(2) Crossbar

(3) None of these

(4) RAM

(5) Modem

26. The sharing of a medium and its path by 2 or more

devices is called _.

(1) Multiplexing

(2) Encoxing

(3) Line discipline

(4) Modulation

(5) None of these

27. Which multiplexing technique transmits ariatog signals ?

(1) Asynchronous TDM

(2) Synchronous TDM

(3) FDM

(4) Both (2) and (3)

(5) None of these

28. Network components are connected to the same

cable in the— topology,

(1) mesh (2) ring

(3) bus (4) star

(5) mixed

29. Two or more computers connected to each other

for shar-ing information form a ——

(1) pipeline (2) router

(3) server (4) tunnel

(5) network

30. Office LANs that are spread geographically apart on a

large scale can be connected using a corporate ——

(1) CAN (2) WAN

(3) DAN (4) LAN

(5) TAN

31. For separating channels in FDM, it is necessary to use

(1) Differentiation

(2) Bandpass filters

(3) Time slots

(4) All of the above

(5) None of these

32. Encryption and decryption are functions of

(1) Transport layer

(2) None of these

(3) Presentation layer

(4) Allot the above

(5) Session layer

33. Which type of switching uses the entire capacity of a

dedicated link?

(1) Datagram Packet Switch-ing

(2) Virtual Circuit Packet Switching

(3) Circuit switching

(4) Message Switching

(5) None of these

34. A peimanent virtual circuit involves

(1) All of the above (2) Data transfer

(3) Connection release

(4) Connection establishment

(5) None of these

35. X.21 protocol consists of

(1) Only physical level

(2) Frame and packet levels

(3) Physical, frame and pack-et levels

(4) Physical and frame levels

(5) None of these

36. In OSI network architecture, the dialogue control and

token management are responsibility of

(1) transport layer

(2) network layer

(3) session layer

(4) data link layer

(5) none of above

37. In OSI network architecture, the routing is performed by

(1) data link layer

(2) network layer

(3) .transport layer

(4) session layer

(5) none of above

38. Which of the following performs modulation and

demodulation?

(1) modem (2) satellite

(3) coaxial cable

(4) fiber optics

(5) none of the above

39. The process of converting analog signals into digital

signals so they can be processed by a receiving computer is

referred to as:

(1) modulation

(2) digitising

(3) synchronizing

(4) demodulation

40. How many OSI layers are covered in the X.25 standard?

(1) Two (2) Seven

(3) Three (4) Six

(5) None of above

41. Layer one of the OSI model is

(1) transport layer

(2) link layer

(3) physical layer

(4) network layer

(5) none of above .

42. The x.25 standard specifies a

(1) technique for start-stop data

(2) technique for dial access

(3) data bit rate

(4) DTE/DCE interface

(5) none of above

43. Which of the following communication modes

support -two-way traffic but in only one direction at a time?

(1) half duplex

(2) simplex

(3) three-quarters duplex

(4) all of the above

(5) none of the above

44. Wh ch of the following might be used by a company to

satisfy following communications needs?

(1) front end processor

(2) all of the above

(3) controller

(4) concentrator ,,

(5) multiplexer

45. The interactive transmission of data within a time sharing

system may be best suited to

(1) simplex lines

(2) biflex-lines

(3) full duplex lines

(4) half-duplex lines

46. Which of the following statement is incorrect?

(1) Batch processing is the prefered processing mode for

telecommunication operation.

(2) Half duplex line is a communication line in which data

can move in two directions, but not at the same time.

(3} Teleprocessing combines telecommunications and DP

techniques in online activities

(4) The difference between synchronous and asynchronous

trans mission is the clocking derived from the

data in synchronous transmission.

47. Which of hte fallowing is considered a broad band

communication channel?

(1) coaxial cable

(2) fiber optics cable

(3) all of above

(4) microwave circuits

48. Which of the following is not a transmission medium?

(1) telephone lines

(2). modem

(3) coaxial cables

(4) microwave systems

49. Which of the following does not allow multiple uses or

devices to share one communication line?

(1) concentrator

(2) multiplexer

(3) doubleplexer

(4) controller

50. Which of the following signal is not standard RS 232-C

signal?

(1) CIS (2) RTS

(3) VDR (4) DSR

51. Which of the following statement is incorrect?

(1) Multiplexers are designed to accept data from several

I/O devices and transmit a unified stream of. data on one

communication tine

(2) RTS/CTS is the way the terminal indicates ringing

(3) RTS/CTS is the way the DTE indicates that it is ready

to transmit data and the way the DCW indicates that it is

ready to accept data

(4) HDLC is a standard synchronous communication

protocol.

52. Which of the following is an advantage to using fiber

optics data transmission?

(1) resistance to data theft

(2) fast data transmission rate

(3) all of above

(4) low noise level

53. Which of the following is required to communicate

between two computers?

(1) all of above including access to transmission medium

(2) protocol

(3) communication hardware

(4) communications software

54. The transmission signal coding method of Tl carrier is

called

(1) NRZ (2) Bipolar

(3) Manchester (4) Binary

55. Which data communication method is used to transmit

the data over a serial communication link?

(1) simplex (2) half-duplex

(3) None of above

(4) band c

(5) full-duplex

56. What is the minimum number of wires needed to send

data over a serial communication link layer?

(1) 2 (2) 1

(3) 4 (4) 6

(5) none of above

57. Which of the following types of channels moves data

relatively slowly?

(1) narrow band channel

(2) voice band challen

(3)- wide band channel

58. Most data communications involving telegraph lines use:

(1) simplex lines

(2) wideband channel

(3) dialed service

(4) narrowband channel

59. A communications device that combines transmissions

from several I/O devices into one line is a

(1) concentrator

(2) modifier

(3) full-duplex line

(4) multiplexer

60. How much power (roughly) a light emitting diode can

couple into an optical fiber?

(1) 100 picowatts

(2) 440 microwatts

(3) 100 microwatts

(4) 10 miliwatts

61. The synchronous modems are more costly than the

asynchronous modems because

(1) they contain clock recovery circuits

(2) they produce large volume of data

(3) they transmit the data with stop and start bits

(4) they operate with a larger bandwidth

(5) none of above

62. Which of the following statement is correct?

(1) terminal section of a synchronous modem contains the

scrambler

(2) transmission section of a synchronous modern contains

the scrambler

(3) receiver section of a synchronous modem contains the

scrambler

(4) control section of a synchronous modem contains the

scrambler

(5) none of the above

63. In a synchronous modem, the digital-to-analog

converter transmits signal to the

(1) demodulator

(2) modulator

(3) equilizer

(4) terminal

(5) none of aobve

64. Which of the following communications lines is best

suited to interactive processing appJIcatjons?

(1) narrow band channel

(2) simplex lines

(3) mixed band channels

(4) full duplex lines

(5) none of the above

65. A remote batch-processing I operation in which data is

solely input to a central computer would require

(1) telegraphp line

(2) none of the above

(3) mixed bad channel

(4) all of above

(5) simplex lines

66. A band is always equivalent to

(1) a byte

(2) a bit

(3) 100 bits

(4) none of the above .

(5) all of above

67. The loss in signal power as light travels down the fiber is

called

(1) interruption

(2) progragation

(3) scattering

(4) attenuation

(5) none of the above

68. Avalanche photodiode receivers can detect bits of

transmitted data by receiving

(1) 200 photons

(2) 100 photons

(3) 2000 photons

(4) 300 photons'

(5) none of the above

69. Communiction circuits that transmit data in both

directions but not at the same time are operating in

(1) a simplex mode

(2) all the options

(3) a full duplex mode

(4) a half duplex mode

(5) an asynchronous mode

70. An example of a medium speed, switched

communications service is

(1) series 1000

(2) data phone 50

(3) All of the above

(4) ODD

(5) none of the above

71. In communication satellite,multiple repeaters are known as

(1) detector

(2) modulator

(3) transponders

(4) stations

(5) none of the above

72. While transmitting-odd-parity coded symbols, the number

of zeros in each symbol is

(1) odd

(2) unknown

(3) a and b both

(4) even

(5) none of the above

73. Data communications monitors available on the software

marked include

(1) TOTAL

(2) ENVIRON/1

(3) BPL

(4) Tel net

(5) none of the above

74. An exajnple of an analog communication method is

(1) laser beam

(2) microwave

(3) voice grade telephone line

(4) none of the above

(5) all of the above

75. Number of bits per symbol used in Baudot code is .

(1) 7 (2) 9

(3) 8 (4) 5

(5) none of the above

76. What is the main difference between DDCMP and

SDLC? .

(1) DDCMP has a message header

(2) DDCMP does not need special hardware to final the

beginning of a message

(3) SDLC has a IP address

(4) SDLC does not use CRC

(5) none of the above

77. An example of digital, ratherthan analog, communication

is

(1) DOS (2) DDD

(3) WATS (4) DOT

(5) none of the above

78. Terminals are required for

(1) real-time, batch processing & time-sharing

(2) real time, timesharing & distributed message

processing

(3) real-time, time sharing & message switching

(4) real time, distributed processing & manager inquiry

(5) none of the above

79. The receive equilizer reduces delay distortions using a

(1) gearshift

(2) descrambler

(3) tapped delay lines

(4) difference engine

(5) none of the above

80. Ina synchronous modem, the receive equilizer is known as

(1) impariment equilizer

(2) adaptive equilizer

(3) statistical equilizer

(4) compromise equilizer

(5) none of the above

81. The channel in the data-communication model can be

(1) postal mail services

(2) telephone lines

(3) none of the above

(4) radio lines (5) all the above

82. A data terminal serves as an

(1) Effector

(2) sensor

(3) neither a nor b

(4) both a and b

(5) none of the above

83. Which of the following transmission systems provide the

highest data rate to in individual device?

(1) telephone lines

(2) computer bus

(3) voice and mode

(4) lease lines

(5) none of the above .

84. A protocol is a set of rules governing a time sequence of

events that must take place

(1) between modems

(2) between an interface

(3) between peers

(4) across an interface

(5) none of the above

85. __ is used in operating system to separate mechanism

from policy

(1) Two level implementation

(2) Single level implementation

(3) Multi level implementation

(4) All of the above

(5) none of the above

86. The operating system creates.

(1) Virtual computers

(2) All the above

(3) Virtual device

(4) Virtual space

(5) none of the above

87. from the physical computer__shares characteristics with

both hardware and software

(1) All the above

(2) Software (3) Data

(4) Operating system

(5) none of the above

88. Multiprogramming systems:

(1) Are easier to develop than single programming systems

(2) Execute more jobs in the same time period

(3) Execute each job faster

(4) Are used only one large mainframe computers.

(5) none of the above

89. Which is the first program run on a computer when the

computer boots up?

(1) Operating system

(2) System software

(3) System operations

(4) All the above .

(5) none of the above

90. Which is built directly on the hardware?

(1) Computer Environment

(2) Application Software

(3) Data base System

(4) Opera ti ng System

(5) none of the above

91. Which of the following-Operating System does not

implement multitasking truly? ^

(1) Windows 98

(2) Windows NT

(3) Windows XP

(4) none of the above

(5) MS DOS

92. Which runs on computer hardware and serve as platform

for other software to run on?

(1) Application Software

(2) Opera ti ng System

(3) System Software

(4) All the above

(5) none of the above

93. Which Is the layer of a computer system between the

hardware and the user program

(1) Operating environment

(2) System environment

(3) Operating system

(4) All the above

(5) none of the above

94. The primary purpose of an operating system Is:

(1) To make computers easier to use

(2) To allow peopleto use the computer,

(3) To keep systems programmers employed

(4) To make the most efficient use of the computer

hardware

(5) none of the above

95. When a computer is first turned on or restarted, a special

type of absolute.loader called _ is executed

(1) Compile and Go loader

(2) Bootstrap loader

(3) Boot loader

(4) Relating loader

(5) none of the above

96. Which of the following Operating systems is better for

Implementing a Client-Server network

(1) MS DOS

(2) Windows 2000

(3) Windows 98

(4) Windows 95

(5) none of the above

97. The operating system manages

(1) all the above

(2) Processes

(3) Disks and I/O devices/

(4) Memory

(5) none of the above

98. Usually, in MSDOS, the primary hard disk drives has

the drive letter __

(1) A (2) B

(3) D (4) C

(5) none of the above

99. What is the function of an operating system?

(1) Manages computer's resources very efficiently

(2) Takes care of scheduling jobs for execution

(3) Manages the flow of date and instructions

(4) none of the above

(5) All of the above

100. Which is not the function of the Operating System?

(1) Memory management

(2) Disk management

(3) Virus Protection

(4) Application management

(5) none of the above

101. Which Operating System doesn't support networking

between computers?

(1) Windows 95

(2) Windows 3.1

(3) Windows 2000

(4) Windows NT

(5) none of the above

10a.Which Operating System doesn't support long file

names?

(1) MS-DOS

(2) OS/2

(3) Windows 95

(4) Windows NT

(5) none of the above

103. Which file keeps commands to execute automatically

when OS Is started?

(1) autoexec.bat

(2) any batch file

(3) command.com

(4) config.sys

(5) none of the above

104. What should be the extension to execute files?

(1) .EXE

(2) All of the above

(3) .COM

(4) .BAT

(5) none of the above

ANSWER

1.(1)

2.(2)

3.{5)

4.(4)

5.(3)

6.(2)

7-{3)

8-(1)

9-(4)

10-(1)

ll.(3)

12.(1)

13.(4)

14.(4)

15.(2)

16.f1)

17.(4)

18.(5)

19.(2)

20.(4)

21. (4)

22.(1)

23.(5)

24.(1)

25.(5)

26.(1)

27.(3)

28.(4)

29.{5)

30.(2)

31. (3)

32.(5)

33.{1)

34.{4)

35.(1)

36.(3)

37.(2)

38.(1)

39.(2)

40.(3)

41. (3)

42.(4)

43.(1)

44.(2)

45.(4)

46.(1)

47.(3)

48.(2)

49.{3)

50.(3)

5l-(2)

52.(3)

53.(1)

54.(2)

55.(5)

56.(2)

57.(1)

58.{4)

59.(4)

60.(3)

61-(1)

62.(2)

63.(3)

64.(4)

65.{5)

66.(4)

67.(4)

68.(1)

69.(4)

70.(4)

71. (3)

72.(2)

73.(2)

74.(5)

75.(4)

76.(2)

77. (1)

78.(3)

79.{3)

80.(2)

81 .(5)

82.(4)

83.(2)

84.(3)

85.(1)

86.(1)

87.(4)

88.(2)

89.(1)

90.(4)

91 .(5)

92.(2)

93.(3^

94.(4)

95.(2)

96.(2)

97.(1)

98.(4)

99.(5)

100.(3)

101 .(2)

102.(1)

103.(1)

104.(2)