29-01-2019 JUNIOR INSTRUCTOR COMPUTER HARDWARE AND NETWORK MAINTENANCE INDUSTRIAL TRAINING

JUNIOR INSTRUCTOR

COMPUTER HARDWARE AND NETWORK MAINTENANCE

INDUSTRIAL TRAINING

EXAM DATE:29-01-2019

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1.Who organized the society of ‘Khudai Khidmatgars’?

A.Nawab Salimulla

B.Nawab Muhsinul Mulk

C.Khan Abdul Gaffar Khan

D.Motilal Nehru

Ans:C

2.Kanchenjunga mountain peak is situated in the state of:

A.Sikkim

B.Jammu and Kashmir

C.Nagaland

D.West Bengal

Ans:A

3.Jog waterfalls is created by in which of the river?

A.Varani

B.Sharavati

C.Cauvery

D.Mahanadi

Ans:B

4.The name of first electric train in India:

A.Calcutta Express

B.Deccan Queen

C.Himasagar Express

D.Fairy Queen

Ans:B

5.Darjeeling the famous hill station is situated in:

A.Himachal Pradesh

B.Jammu and Kashmir

C.West Bengal

D.Sikkim

Ans:C

6.Ellora Caves located at:

A.Aurangabad

B.Mumbai

C.Bijapur

D.Allahabad

Ans:A

7.Who is the author of the book”The Great Indian Novel”?

A.Shashi Tharoor

B.Arundhati Roy

C.Vikram Seth

D.V.S.Naipaul

Ans:A

8.The present Secretary General of United Nations Organization:

A.Peter Thomson

B.Amina J.Muhamed

C.Antonio Gutterres

D.Elbio Rosseli

Ans:C

9.India’s first Sports Museum opened at:
A.Mumbai

B.Kolkata

C.Ahmedabad

D.Pune

Ans:B

10.FIFA’s best footballer of the year 2018:

A.Luka Modric

B.Cristiano Ronaldo

C.Lionel Messi

D.Mohamed Salah

Ans:A

11.The social reformer who is known as ‘Sarva Vidhyadiraja’?

A.Chattampi Swamikal

B.Sahodaran Ayyappan

C.Ananda Theerthan

D.V.T.Battathirippad

Ans:A

12.Who was the founder of Vala Samudaya Parishkarini Sabha?

A.Pandit Karuppan

B.Kumaranasan

C.Brahmananda Sivayogi

D.Vaikunda Swamikal

Ans:A

13.Headquarters of UNICEF is situated in:

A.Norway

B.London

C.New York

D.Sweden

Ans:C

14.Who was the first Indian president who visited Siachin Base Camp?

A.K.R.Narayanan

B.Ramnath Kovind

C.Fakruddin Ali Ahmad

D.APJ Abdul Kalam

Ans:D

15.Which was the first Insurance Company in India?

A.Oriental Life Insurance Company

B.Life Insurance Corporation of India

C.New India Insurance Company

D.General Insurance Company

Ans:A

16.Nobel Peace Prize for the year 2018 has been awarded to:

A.Yazid Mugabe and Jiran Manuel Santos

B.Nadia Murad and Denis Mukwege

C.Denis Mukwege and Elihu Root

D.Malala Yousafzai and Kailash Satyarthi

Ans:B

17.Who was the first Union Minister of Education in India?

A.Dr.Rajendra Prasad

B.Maulana Abul Kalam Azad

C.Sardar Vallabai Pattel

D.Motilal Nehru

Ans:B

18.Where the Headquarters of FIFA is situated?

A.Qatar

B.Brazil

C.Sweden

D.Switzerland

Ans:D

19.Mexico country is situated in which of the following continent?

A.South America

B.North America

C.Africa

D.Europe

Ans:B

20.Malampuzha Dam situated in the district of:

A.Palakkad

B.Wynad

C.Edukki

D.Pathanamthitta

Ans:A

21.The small current developed in a P-N junction diode when it is in reverse bias is called:

A.Reverse current

B.Forward current

C.Reverse saturation current

D.Active current

Ans:C

22.Which among the following factor doesn’t change the diode current?

A.Temperature

B.External voltage to the diode

C.Bolzman’s constant

D.Resistance

Ans:D

23.If the peak current is I m(Lower case) and the load reistance is R L(Lower case),the DC power output of bridge fullwave rectifier is equal to:

A.2 I raise to 2 m(Lower case) R L(Lower case)

B.4 I raise to 2 m(Lower case) R L(Lower case)

C.I raise to 2 m(Lower case) R L(Lower case)

D.I raise to 2 m(Lower case) R L(Lower case)/2

Ans:B

24.The cut-in point of a capacitor filter is:

A.The instant at which the conduction starts

B.The instant at which the conduction stops

C.The time after which the output is not filtered

D.The time during which the output is perfectly filtered

Ans:A

25.An optoisolator is:

A.A combination of LED and varactor in the same package

B.A combination of a varactor and photodiode in the same package

C.A combination of LED and a photodiode in the same package

D.A combination of photodiode and a shottky-Barrier diode in the same package.

Ans:C

26.The magnitude of thermal voltage is given by:
A.k/Tq

B.kT/q

C.q/kT

D.Tk/q

Ans:B

27.The form factor is the ratio of:

A.Peak value to r.m.s.value

B.r.m.s.value to average value

C.Average value to r.m.s.value

D.None of the above

Ans:B

28.If the number of turns,area and current of an ac circuit is doubled,the new inductance will be:

A.Equal to the former

B.Twice of the former

C.Four times the former

D.Half of the former

Ans:C

29.An electric heater draws 3.5 A from a 110 V source.The resistance of the heating element is approximately:

A.385 Ohms

B.38.5 Ohms

C.3.1 Ohms

D.31 Ohms

Ans:D

30.Thevenin resistance is found by:

A.Shorting all voltage sources and opening all current sources

B.Opening all current sources

C.Shorting all voltage sources

D.Opening all voltage sources and shorting all current sources

Ans:A

31.Mutual flux---------at the lagging loading and it--------at the leading power factor.

A.Decreases,increases

B.Increases,increases

C.Decreases,decreases

D.Increases,decreases

Ans:A

32.Eddy currents are induced in the pole shoes of a DC machine due to:

A.Oscillating magnetic field

B.Pulsating magnetic flux

C.Relative rotation between field and armature

D.All the above

Ans:C

33.Convert 1E2 H(Lower case) to decimal:

A.480

B.482

C.483

D.484

Ans:B

34.Which of the following is not true?

A.0+A=A

B.1+A=1

C.A+A=A

D.1.A=1

Ans:D

35.A positive AND gate is also a negative:

A.NAND gate

B.NOR gate

C.AND gate

D.OR gate

Ans:D

36.As compared to MOS memories,bipolar memories have:

A.Faster access time and are costly

B.Slower access time and are costly

C.Faster access time and are cheaper

D.Slower success time but are cheaper

Ans:A

37.The output Q n(Lower case) of a J-K flip-flop is zero.It changes to 1 when a clock pulse is applied.The input J n(Lower case) and K n(Lower case) are respectively.

A.1 and X

B.0 and X

C.X and 0

D.X and 1

Ans:A

38.A digital mulitplexer is basically a combination logic circuit to perform the operation:

A.AND-AND

B.OR-OR

C.AND-OR

D.OR-AND

Ans:C

39.The instruction that is used as prefix to an instruction to execute it repeatedly unitl CX resister becomes zero is:

A.SCAS

B.REP

C.CMPS

D.STOS
Ans:B

40.The Bus Interface Unit of 8086 contains FIFO register of size----------bytes.

A.8

B.6

C.4

D.16

Ans:B

41.In 8086,the instruction providing both segment base and offset address are called:

A.High address

B.Low address

C.Far address

D.Below address

Ans:C

42.The 8086  instruction which is used for translating from one code to another code is:
A.XLAT
B.XCHG

C.POP

D.PUSH

Ans:A

43.In 8086,the overflow flag is set when----------

A.The sum is more than 16 bits

B.Signed numbers go out of their range after artithmetic operation

C.Carry and sign flags are set

D.Subtraction

Ans:B

44.Among the following,Access time is faster for:

A.SRAM
B.DRAM

C.ERAM

D.ROM

Ans:A

45.Which method by-passes the CPU for certain types of data transfer?

A.Software Interrupts

B.Interrupt driven I/O

C.Polled I/O

D.Direct Memory Access(DMA)

Ans:D

46.Which group of instructions do not affect flags?

A.Arithmetic operations

B.Logic Operations

C.Data Transfer Instructions

D.Branch Instructions

Ans:C

47.The result of MOV AL,65 is to store:

A.01000010 in AL

B.42H in AL

C.40H in AL

D.010000001 in AL

Ans:D

48.In a pre-emptive multitasking operating system,the saving and restoring of FP and MMX states are performed by:

A.Control unit

B.Operating system
C.MMX instructions

D.MMX registers

Ans:B

49.Which motherboard form factor uses one 20 pin connector?

A.ATX

B.AT

C.BABY AT

D.All of the above

Ans:A

50.Among the following,which standard governs parallel communications?

A.RS232

B.RS-232a

C.CAT 6

D.IEEE 1284

Ans:D

51.Which common bus specification provides the fastest data transfer rate?

A.VL BUS
B.ISA
C.PCI

D.All of the above

Ans:C

52.What is the data transfer rate for USB 2.0?

A.10 Mbps

B.480 Mbps

C.512 Mbps

D.256 Mbps

Ans:B

53.How many pins a DIMM have?

A.72

B.32

C.32 to 72

D.71

Ans:A

54.How many address lines are required to address each memory location in a 2048x4 memory chip?

A.10

B.11

C.8

D.12

Ans:B

55.Pseudo instruction are:

A.Instructions in any program that have no corresponding machine code

B.Instructions that are partially executed

C.Instructions for caching
D.Assembler directives

Ans:D

56.Associative memory is a:

A.Pointer Addressable Memory

B.Very Cheap Memory

C.Content Addressable Memory

D.Slow Memory

Ans:C

57.Which of the following addressing modes permits relocation without any change whatsover in the code?

A.Indirect addressing

B.Indexed addressing

C.Base register addressing
D.PC relative addressing

Ans:D

58.In a digital camera,which sensor converts light energy into electrical energy?

A.PCB

B.CCD

C.DSLR

D.Photons

Ans:B

59.Number of pins in an HDMI cable is:
A.19

B.20

C.21

D.22

Ans:A

60.Inventor of computer mouse is:

A.Alan Shugart

B.Steve Russel

C.Douglas Engelbart

D.Faggin

Ans:C

61.Which module of operating system gives control of the CPU to the process selected by the short term scheduler?

A.Dispatcher

B.Interrupt

C.Scheduler

D.DMA
Ans:A

62.Aging is:

A.Keeping track of cache contents

B.Keeping track of what pages are currently residing in memory

C.Keeping track of how many times a given page is referenced

D.Increasing the priority of jobs to ensure termination in a finite time

Ans:D

63.Which one of the following is the deadlock avoidance algorithm?

A.Round robin algorithm

B.Bankers algorithm

C.Elevator algorithm

D.Karn’s algorithm

Ans:B

64.In internal fragmentation,memory is internal to a partition and:

A.Is being used

B.Is not being used

C.Is always used

D.None of the above

Ans:B

65.External fragmentation will not occur when:

A.First fit is used

B.Best fit is used

C.Worst fit is used

D.No matte which algorithm is used,it will always occur

Ans:D

66.A heavy weight process:

A.Has multiple threads of execution

B.Has a single thread of execution

C.Can have multiple or a single thread for execution

D.None of the above

Ans:B

67.Consider the following page reference string:

1 2 3 4 2 1 5 6 2 1 2 3 7 6 3 2 1 2 3 6

For FIFO page replacement algorithm with 4 frames,the number of page fault is:

A.16

B.15

C.14

D.11

Ans:C

68.The time taken to move the disk arm to the desired cylinder is called:

A.Positioning time

B.Random access time

C.Seek time

D.Rotational latency

Ans:C

69.Consider a disk queue with requests for I/O to blocks on cylinders:

98,183,37,122,14,124,65,67

Considering FCFS scheduling,the total number of head movements is,if the disk head is initially at 53:

A.600

B.620

C.630

D.640

Ans:D

70.The segment of code in which the process may change common variables,update tables,write into files is known as:

A.Critical section

B.Program

C.Synchronising

D.Starvation

Ans:A

71.ADSL stands for:

A.Aymmetric Digital Subscriber Line

B.Asynchronous Digital Subscriber Line

C.Associated Digital Subscriber Link

D.Asynchronous Data Sending Line

Ans:A

72.TCP/IP model does not have-----------layer,but OSI model have this layer.

A.Session Layer

B.Transport Layer

C.Application Layer

D.None of the above

Ans:A

73.Automatic repeat request error management mechanism is provided by:

A.Media access control sub layer

B.Logical link control sub layer

C.Network interface control sub layer

D.None of the mentioned

Ans:B

74.The resources needed for communication between end system are reserved for the duration of session between end systems in:

A.Packet switching

B.Circuit switching

C.Line switching

D.Frequency switching

Ans:B

75.Electronic mail uses this application layer protocol:

A.HTTP

B.FTP

C.SMTP

D.SNMP

Ans:C

76.Traffic in VPN is:

A.Visible to public networks

B.Not logically separated from other traffic

C.Not restricted to a single protocol in IPSEC

D.Not accessible from unauthorised public networks

Ans:D

77.Suppose a TCP connection is transferring a file of 1000 bytes.The first byte is numbered 10001.What is the sequence number of the segment if all data is sent in only one segment?

A.10000

B.10001

C.11001

D.11002

Ans:B

78.The header size of an Ipv6 datagram is:

A.40 bytes

B.128 bytes

C.64 bytes

D.32 bytes

Ans:A

79.Which of the following is not an Ipv4 to Ipv6 transition strategy?

A.Dual stack

B.Tunnelling

C.Conversion

D.Header translation

Ans:C

80.In OSPF,which protocol is used to discover neighbour routers automatically?

A.Link state protocol

B.Error correction protocol

C.Routing information protocol

D.Hello protocol

Ans:D

81.If you need to change the typeface of an MS Word document,which menu will you choose?

A.Edit

B.View

C.Format

D.Tools

Ans:C

82.In which view Headers and Footers are visible in MS Word?

A.Normal View

B.Print layout View

C.Page layout View

D.Draft View

Ans:B

83.To apply the center alignment to a paragraph,we can press:

A.Ctrl+S

B.Ctrl+C

C.Ctrl+Shift+A

D.Ctrl+E

Ans:D

84.In MS Excel,what is the smallest width of a column?

A.0
B.0.5”

C.1’

D.1.5”

Ans:B

85.In MS Word,pressing F8 for three times selects:

A.Entire document

B.A Paragraph

C.A Sentence

D.A word

Ans:A

86.In MS Access,which of the field has width 8 bytes?
A.Memo

B.Number

C.Date/Time

D.All of the above

Ans:C

87.A gutter margin is:

A.Margin that is added to the binding side of page when printing

B.Marging that is added to the outside of the page when printing

C.Margin that is added to the left margin when printing

D.Margin that is added to the right margin when printing

Ans:A

88.What is the smallest and largest font size available in Font Size tool on formatting toolbar of MS Word?

A.8  and 64

B.8 and 72

C.6 and 72

D.6 and 68

Ans:B

89.In MS Excel,which among the following keyboard shortcut can be used for creating chart from selected cells?

A.F2

B.F6

C.F10

D.F11

Ans:D

90.Which of the following is valid field name in MS Acess?

A.Student Address

B.Student’s Address

C.Student_address

D.Student Address

Ans:C

91.Intellectual Property Rights(IPR) protect the use of information and ideas that are of:

A.Ethical value

B.Moral value

C.Social value

D.Commercial value

Ans:D

92.In ‘quid-pro-quo’,quo stands for:

A.Knowledge disclosed to the public

B.Monopoly granted for the term of the patent

C.Exclusive privilege of making,selling and using the invention

D.None of the above

Ans:B

93.Which of the following is not one of the major types of e-commerce?

A.C2B

B.B2C

C.B2B

D.C2C

Ans:A

94.What is DES?

A.Bit cipher

B.Stream cipher

C.Block cipher

D.None of the above mentioned

Ans:C

95.Which of the following is a cryptographic protocol used to secure HTTP connection?

A.Stream control transmission protocol

B.Transport layer protocol

C.Explicit congestion notification

D.Resource reservation protocol

Ans:B

96.Network layer firewall works as a:

A.Frame filter

B.Packet filter

C.Both frame and packet filters

D.None of the above mentioned

Ans:B

97.A proxy firewall filters at:

A.Physical layer

B.Data link layer

C.Network layer

D.Application layer

Ans:D

98.What is the type of injection,in which malicious scripts are injected into trusted websites?

A.XSS

B.SQL Injection

C.Access

D.Broadcasting

Ans:A

99.When an attempt is to make a machine or network resource unavailable to its intended users,the attack is called:

A.Slow read attack

B.Spoofed attack

C.Starvation attack

D.Denial of service attack

Ans:D

100.In asymmetric encryption:

A.Same key is used for encryption and decryption

B.Different keys are used for encryption and decryption

C.No key is required for encryption and decryption

D.No key is used for encryption and a public key is used for decryption

Ans:B

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