psc laboratory technical assistant - computer science ... · date of test : 05.06.2015 medium of...

Date of Test : 05.06.2015

Medium of Questions: English

Question Paper Code: 106/2015

Exam Name: Laboratory Technical Assistant - Computer Science - VHSE

PSC Laboratory Technical Assistant - Computer Science - VHSE Examination

Previous Year Question Paper

www.pscnet.in fb.com/pscnet.in

Join PSC WhatsApp Broadcast List : 90747 20773

L06120L5

Processed data is called :

(A) Value

(C) Sunmary

Scanner is a

(A) primary memory

(C) .input

4. Example of operating system :

(A) Microsoft XP

(C) Adobe reader

Maximum : 100 marks

device.

Tirre : t hour and 15 minutes

is a volatile memory.

(A) Hard disk

(c) cD

Mouee was invented by :

(A) Charles Babbage

(C) Alan Turing

Input device used to read cheques in banks :

(A) MrCR

(c) oMR

Information

Program

(B) output

(D) secondary memory

(B) Microsofi offrce

@) Adobe page naker

(B) DVD

(D) RAM

(B) Douglas Engelbart

(D) John McCarthy

(B) OCR

(D) barcode reader

(B)

(D)

Difference between compiler and interpreter is :

(A) Compiler checks the code as a whole and interpreter checks line by line ofthe code

(B) Interpreter checks the code as a whole and compiler checks line by line ofthe code

(C) Compiler ueed to find syntax errors while interpreter used. to find run tilne error

@) Interpreter used to find syntax errors while compiler used to find run time error

D.

6.

3A



E. CDis:(A) Combined Disk (B) Coemetic Disk

(C) Casual Disk (D) Compact Disk

9. Example of output device:

(A) Micrynhgne (B) Plotter

(C) Joystick (D) Lightpen

10. LCD is:(A) Liquid Crystal Display (B) Liberal Circuit Display

(C) Light Crystal Display (D) Light Circuit Display

11. Example for secondary memory :

. (A) RAM (B) ROM

(C) CD @) All the above

id a syetem eoftware.

(A) Operating system @) Microsoft word

(C) PROM

18. Debusging is the procese of:(A) finding errors

(B) converting source code to machine code

(C) writing code in a ianguage

(D) Converting source code to aesembly language

14. Exanple for machine language :

. (A) Assembly language (B) Binary language

(c) Lorus (D) BASrC

, 16. paarnple fior application aoftware:

' (A) Linux (B) Interpreter

(C) Aesembler (D) Microeoft excel

16. In hexadecimal number system, E atands for :

(A) 5 (B) 14

(c)2 ' (D)15106/2016 4

(D) DRAM

A



18.

19.

17. The last number in octal number svstem is :

(A) 7

(c) e

The base of the number system is :

DTP is :

(A) Digital Text Printing(C) Desktop Publishing

Define latency time :

(A) Time required to find track

(C) Total time required to find the data

The binary number corresponding to 5 :

(A) 101

(c) 1oo

(A) The number of digits in the number system

(B) The last number of number system

(C) The first number of number system

@) The sum of digits of nunber system

@)8(D) 10

(B) Display Text Printing

@) Display Text Publishing

(B) Time required to find sector

(D) None of the above

(B) 05

(D) 01001

number system :

23. In sign magnitude form, sign of the number is represented on :

22. 6541a1is a number in

(A) binary

(C) decimal

(A) MSB

(c) MDN

21. One's compliment of 1001 is :

(A) 1001

(c) 0101

26. 2's complement is calculated by :

(A) Adding 1 to one's complement

(C) Adding I to it's binary equivalent

(B) octal

@) hexadecimal

(B) rsB

@) LDN

(B) 1000

(D) 0110

(B) Adding 2 to one's complement

(D) Adding 2 to it s binary equivalent

A 106/2015tP.r.o.I



(A) Rectangle(C) Rhombus

28. What is topology in computer network?(A) Arrangement of system in network (B) Number of system in network(C) Position of server in network @) Area covered by the network

29. Define nodes in network:

26. Find the decimal equivalent of 1010101 :

(A) 75

(c) 1010101

32, Example for a basic gate :

(A) oR(c) NoR

@) 85

(D) 101010

(B) Parallelogram

@) OvaI shape

(B) Systems

@) T}pe of connection

(A) Server(C) Tlpe of protocol

30. Expansion of TCP/IP is :

(A) Transport Control Protocol/InternetProtocol(B) Transmission ControlProtocoUlnternetProtocol(C) TransportControlProtocolllntranetProtocol(D) Tlansmission ControlProtocoVlntranetProtocol

31. Booting is the process of:(A) Detecting hardware connected to PC (B) Loading OS on the PC(C) Scanning the system for VIRUS (D) Installing new software in the system

(B) xoR(D) NAND

33. How can we make a NAND gate?

(A) UsingAND,OR&NOT @) UsingAND&NOT(C) Using NOR & AND (D) Using NOR, AND & OR

34. Truth table of OR will give :

(A) True value for all possible inputs(B) True value when both the.inputs are true(C) True value when anyone of the inputs are true

@) True value when both the inputs are false

106/2015 6 A



35. Which one of the following cannot be used as an identifier in C+t?(B) name123

@) break-123

'36. How many bytes of memory is needed to save a float variable?

(A) name(C) break.

(A) for(C) do....while

39. for (i = 5; i >1; i-) :'

t

cout << i;

What will be the output of the program?(A) 5432r(c) L23 45

40. inti=6,i=7,k;k = i++ +-i;

cout <<k<<i<<j;

(A) *

(c) -42. By defuult class variables are :

(A) Private(C) Prdtected

A

37. If you have to execute difrerent lines of code for different choices of a particular variable.Which one of the following control statements will you use?

(A) 8(c) 2

(A) for(C) do....while

38. Which one of the following is exit controlled loop?

(B) 4(D) 16

(B) while(D) switch

' (B) while(D) switch

(B)(D)

5 432Syntax error

What will be the output of the above mentioned code?

(A) 127 6(c) 1367

Which one of the following is unary operator?

(D)

(B)(D)

1376L266

-t-

All the above

PublicAll the above

(B)(D)

7 106/2015tP.r.o.l



Class type variables are called as :

(A) Member variable

(C) Object

Specialty of constructor is :

(A) Its name is same as class name

(C) It can be overloaded

Collection of variables of same datatype is :

(A) array

(C) object

Free store operators in C++ are :

(A) +&-(c) * &l

47. Why we use scope resolution operator?

(A) To define a structure inside a class

(C) To define an array inside the class

(B) Private variable

(D) Constructor

(B) It will not have a return tlpe

@) All the above

(B) structure

(D) loop

(B) new & delete

(D) array & structure

(B) To define a function outside the class

@) to define a class outside the class

45.

46.

48. Which operator viill you use to access members of structure using structure variable?

(A) dot operator (B) arro$/ operator

(C) underscore @) hyphen

49. Syntax of declaring an object of a class in C++ :

(A) class_nameobject_name;

(B) class-nameobject_name=newclass_name;

(C) class_name object_name= new class_name ( );

(D) class-name object_name=class_name ( );

50. A constructor is called when :

(A) we call the constructor using object ofthe claes

(B) the object ofthe class i8 created

(C) a member function is called

(D) we define the constructor

AL0612016



51. Encapsulation is implemented in C++ using :

(A) structure

(C) array

52. Which symbol is used for commenting in C++?

(A) tl(c) !

(A) Compiled

(C) Both (A) and (B)

Expansion of JVM :

(A) Java Virtual Machine

(C) Java Virtual Mechanism

(B) class

(D) function

(B) r..............."t@) Both (A) and (B)

(B) Interpreted

(D) None of the above

Define function overloading :

(A) same signature with different function name

(B) same function name with same parameter list(C) same return type with different function name

(D) same function name with different signature

Which one of the following is multiple inheritance?

(A) A child class derived from another child of a parent class

@) A parent with more than one child(C) A child with more than one parent

@) More than one type of inheritance is included

ink * p, k=5;

p=&k;

Ifp is having the value 100. What will be the output of the following code

Cout<<**p;

(A) 5

(B) r00

(C) The value saved at the memory location 5

(D) The value saved at the memory location 100

56. Java is language :

(B) Java Vigilant Mechanism

@) Java Vigilant Machine

9A 106/2015tP.r.o.l



58. Specialty of main function in java is :

(A) Public @) Static

(C) Void (D) All the above

59. If we declare 4 objects of a class. How many copies of static variable can be produced :

(A) 3 (B) 2

(c) 1 (D) 4

60. How runtine error in Java is handled?

(A) Using new and delete operator

(B) Using constructor and destructor method

(C) Using try ....... catch method

(D) Using J\7]\4

61. Which datatype is used to declare a variable for saving single alphabet in C++?

(A) string (B) letter' (C) char @) worct

62. Which keyword is used to include packages in Java?

(A) include (B) initiate(C) implements @) import

63. How multiple inheritance ie introduced in Java?

(A) Using packages (B) Using class

(C) Using utilities (D) Using interfaces

64, Which one of the following is used to find remainder in VB?

(A) o/o (B) \(c) / (D) Mod

65. Di.fference between applet and sinple java program is :

(A) Applet program is not compiled

(B) Applets are not written java

(C) In applet program packages cannot be used

(D) Applet program will not have a main function

106/2016 10 A



67. In VB which window will help you in viewing the position of the form in the main window?

66. How integer variables are declared in \4B?

(A) int a;

(C) dim a as Integer

(A) Properties window

(C) Project Winrlow

The keyword used to declare constant value is :

(A) Constant

(C) Con

Jn C++, a string constant always ends with :

(A) %

(c) \0

(A) delete ftom

(C) drop

mode helps to open fiIe in input mode.

(A) frle :: input

(C) ios :: in

A function calling itself is called

(A) Iiecalling

(C) Redundancy

72. Which one of the following is not a DML command?

(A) Delete from

(C) Alter (D)

73. Expansion of SDLC :

(A) System Demonstration in Last Cycle @)

(C) Series Development Life Cycle (D)

74. Which query will you use to renove a table from db?

(B) declare a as integer

(D) a is integer

(B) Position window

(D) Layout window

@) Cons

(D) Const

(B) /@)_

(B) open:: input

(D) mode :: in

function.

(B) Reusing

(D) Recursive

Insert into

Update

69.

70.

Series Demonstration in Last Cycle

System Development Life Cycle

(B) truncate

A 106/2016IP.r.o.l

11

@) remove



75. What is tuple in dbms?(A) Number of tables (B) Number of columns(C) Number of rows (D) Number of database

76. Foreign key is :

(A) Primary key of another table(B) Primary key of the same table(C) Any column other than primary key of another table@) Any column other than primary key of same table

77. The command used to add a column in a table :

(A) Insert into (B) Update(C) Alter (D) Add

78. In SQL, which command is used to make permanent changes made by statements intransaction?

(A) SAVE (B) ExrT(c) DoNE (D) coMMrT

79. The PROJECT command will create new table that has :

(A) The selected rows of the parent table(B) The selected columns of parent table(C) The selected datatype ofthe parent table(D) The selected size of the columns

80. I. u -- a parent record type can be linked to one or more "child, record. t5ryes,but a child record type can have only one parent:

(A) Network database

(C) Distributeddatabase

(B) Relationaldatabase

@) Hierarchicaldatabase

81. 'The schenduruney wildlife sanctuary,is in:(A) Ezhimala (B) Thenmala(C) Aralam (D) Thekkadi

82. The Indian origin mathematician who won prestigious global prize 'Fields medal known asNobel Prize in mathematics':

(A) Manjul Bhargava @) Viswanath Chopra(C) Kishore Varma @) Ananitha Moorthy

A106/2015 t2



83. The Asian country which host the FIFA world cttp of 2022 :

84. A scheme started by the.Central Government to provide food to senior citizens who cannotcare for themselves :

(A) Saudi Arabia

(C) Italy

(A) Annadan

(C) Operation oldman

(A) Gopala Krishna Gokhale

(C) Nehru

(A) Lionel messi

, (C) Microslave Kloose

87. 'Sarvodaya movement'is related with :

(A) Justice Ranade

(C) JayaprakashNarayanan

(A) Western Ghatt

(C) Himalayd

(A) Scottland

(C) Holland

(A) Federation cup

(C) Durant cup

91. The period of 12s Five Year Plan in India:

(A) 1982-re87

(c) 2002-2007

A13

(B) Qatar(D) Australia

@) Operation food supply

@) Annapurna

(B) Annie Beasant

@) Lala Lajpath Rai

@) Diego Maradona

(D) Yorgan Klinsman

(B) Archarya Vinobabava

(D) A.K. Antony

(B) Vindya - Satpura

(D) Sabarimala

(B) England

(D) Spain

(B) Nehru Trophy

(D) Swaraj Trophy

(B) 2007-2012

(D) 2o12-20L7

85. Arnong the names of four nationalists given below, the one who born in Maharastra :

E6. The footballer who scored maximum number of eoals in the world cups :

88. The mountain ranges that separate south India from North India :

89. The 20th Common Wealth eames held in 'Glasco' recentlv. Where is it?

90. The third oldeet football tournament in the world is in India :

106/2015IP.r.o.l



9$. Among the following the name of Mannath Padmanabhan is related with :

92. 'Chotta Nagpur plateau'in India is on the :

(A) North(C) South

(A) Yokashema Sabha(C) Atmiya Sabha

(A) Gujarati(C) Malayalam

(A) Rani Lakshmi Bai(C) Captain Lakshmi

human activity :

(A) Kumara Guru

(A) Kumaranasan(C) Ayyankali

9E. U.N.O. observes October 2nd as :(A) U.N. Day.(C) Gandhi's Birthday

(B) West(D) East

94. Gandhiji's autobiography 'My experiments with truth' fust published in :

(B) Nair Service Society(D) Sree Narayana Yogam

@) Bengali(D) Marati

(B) Ishom Sharma(D) Rani Gaidiliu

(B) Swami Sradhanandha

(D Sree Narayana Guru(D) Ramaswami Naikar

(B) International Service Day

@) International Non-Violence Day

95. Nagaland produced a brave heroine during the Civil Disobedience movement called:

96. The propounder of the theory that 'Ananda' [happiness] should be the touch stone of any

(C) Brahman and Swami Siva Yogi @) . Sankaracharya

97. The place 'Chembazhanthf is connected with the reformer :

99. The Great Yogi, who was the Guru of Sri Narayana Guru, Chattampi Swamikal andAyyankali :

(A) Thycaud Ayya Swamikal @) Vagbadananda(C) Jyothirao Phule @) Periyar Swamikal

100. The autobiography of former foreign minister Natwar Singh which attained popularattention recently :

(A) Vulgarness of politics (B) The Broken Wings(C) One Life is Not Enough @) My struggles ,

A106/2016 L4



psc laboratory technical assistant - computer science ... · date of test : 05.06.2015 medium of...

Documents