NVS PGT CS 2019 Part-B

Question 1
JavaScipt is a/an____language
A
Machine
B
Interpreted
C
System
D
Compiled
Question 2
Which of the following are universal gates that can be used to realise the function of any combinational circuit?
A
NAND and NOR
B
AND and OR
C
AND and XOR
D
OR and XNOR
Question 3
In order to subtract an integer value B from another integer value A, take the 2’s complement of _____ and add it to____
A
A,A
B
B,B
C
B,A
D
A,B
Question 4
Which of the following C++ operators CANNOT be overloaded?
A
Equal(==)
B
Multiplication(*)
C
Scope resolution(::)
D
Logical AND(&&)
Question 5
Which of the following statements about semiconductor memory cells is FALSE?
A
They can never be damaged due to a power failure or other malfunctions.
B
They exhibit two stable states, which can be used to represent binary 1 and 0.
C
They are capable of being written into to set the state
D
They are capable of being read to sense the state.
Question 6
What will be the size (number of cells) of the K-map to simplify a Boolean function of five variables?
A
8
B
16
C
32
D
64
Question 7
The Quine-McCluskey algorithm is a tabular method that simplifies Boolean functions based on the concept of:
A
Odd numbers
B
Even numbers
C
Prime implicants
D
Prime numbers
Question 8
Which of the following is NOT a valid feature of JAVA programs?
A
Object-oriented
B
Architecture-neutral
C
Multi-threaded
D
Non-portable
Question 9
Which of the following is a sequential organisation of data in which an element is always inserted at the last position and taken out from the first position?
A
Tree
B
Queue
C
Stack
D
Array
Question 10
What is the hexadecimal equivalent of the decimal number 491.25?
A
IEF.4
B
IEB.4
C
IEB.1
D
2EB.1
Question 11
Which of the following is NOT a valid characteristic of a data warehouse?
A
Volatile
B
Time-variant
C
Subject-oriented
D
Integrated
Question 12
State Whether the following sentences are TRUE or FALSE.
(i). In JavaScript forms, automatic form validation is enabled using the “required” attribute.
(ii). JavaScript cannot manipulate HTML styles.
A
(i)-TRUE (ii)-FALSE
B
(i)-FALSE (ii)-TRUE
C
(i)-FALSE (ii)-FALSE
D
(i)-TRUE (ii)-TRUE
Question 13
HTML is a/an ______language.
A
Markup
B
Procedural
C
Object-Oriented
D
Assembly
Question 14
In animation, the process of creating intermediate frames between the start and the end position of two keyframes is called:
A
Framing
B
Tweening
C
Betweening
D
Creeping
Question 15
Which of the following relationship categories of UML describes the inheritance relationship of the object-oriented world?
A
Association
B
Dependency
C
Extensibility
D
Generalisation
Question 16
In a computer program, when a function calls itself then it is called:
A
Recursion
B
Procedure
C
Branching
D
Infinite loop
Question 17
What is the minimum number of 2-input NAND gates to implement the boolean function F=WX-YZ?
A
5
B
3
C
2
D
4
Question 18
JavaScript is used to____
A
Design database-Centric applications
B
Specify the web page content
C
Define the web page behaviour
D
Specify the web page layout
Question 19
Which of the following statements about Vector mask in Adobe Photoshop is FALSE?
A
It does not support transparency
B
It is layer mask
C
It is made of pixels
D
It has crisp edges
Question 20
Which of the following browsers supports VBScript?
A
Google Chrome
B
Internet Explorer
C
Opera
D
Mozilla Firefox
Question 21
Which of the following programming languages is used to create flash graphics for Adobe Flash Player?
A
VBScript
B
PostScript
C
ActionScript
D
JavaScript
Question 22
In JavaScript, Location object is a property of____
A
Form Object
B
Window Object
C
Document object
D
Location
Question 23
Which of the following statements related to Java is FALSE?
A
All class names should start with an upper-case letter
B
It is not mandatory for the name of the program file to exactly match the class name
C
All method names should start with a lower-case letter.
D
Java is a case-sensitive language
Question 24
In IEEE 754 standard for binary floating point representation, the three basic binary formats have bit lengths of 32,64 and 128 bits, with exponents of____,_____, and _____bits respectively.
A
8,12,15
B
10,11,15
C
8,11,15
D
8,11,16
Question 25
Which of the following data structures stores the same kind of data in a linear order, but not necessarily in contiguous memory locations?
A
Linked List
B
Tree
C
Array
D
Graph
Question 26
How many process switches take place when a running process requests for an I/O?
A
One
B
Four
C
Three
D
Two
Question 27
Which of the following represents the capacity to change the conceptual schema without having to change external schemas or application programs?
A
Virtual data independence
B
Hierarchical data independence
C
Physical data independence
D
Logical data independence
Question 28
Which of the given options best describes the following array declaration in C++? int (*arr)[5];
A
It declares a pointer to an integer array of five elements
B
It declares an array of five integer pointers
C
It declares an array of ten integer pointers
D
It declares a pointer to a character array of five elements
Question 29
Which of the following statements related to C++ FALSE?
A
Destructors have the same name as their class, preceded by a tilde(~) character
B
Destructors can be virtual, but Constructors cannot
C
Constructors have neither “return” value nor “void”
D
Constructors can be virtual, but Destructors cannot
Question 30
In Visual Basic, the image in a(n)____is stretchable, i.e, the image can be resized
A
Picture box
B
Image box
C
text box
D
label
Question 31
In Adobe Flash Player, the ‘free transform’ tool CANNOT transform_____.
A
Video objects
B
Graphic objects
C
Text blocks
D
instances
Question 32
PCI, a local computer bus for attaching hardware devices in a computer, was introduced by Intel in:
A
1990
B
2005
C
1992
D
1980
Question 33
Consider a relation schema R(A,B,C,D,E), in which all attributes are atomic and single-valued. If A is the only candidate key in R, then highest normal form satisfied by R?
A
2NF
B
BCNF
C
1NF
D
3NF
Question 34
In____topology network, each host computer connects to exactly two other computers, creating a circular network structure.
A
Star
B
Bus
C
Mesh
D
Ring
Question 35
Which of the following statements related to C++ is FALSE?
A
A member function can be defined as public
B
A member function can be defined inside the class
C
A member function can be defined as private
D
A member function can be defined outside the class
Question 36
In memory-mapped I/O, there is/are ____address space(s) for memory locations and I/O devices.
A
Three
B
Double
C
Four
D
Single
Question 37
State whether the following sentences are true of false.
(i). Storage locations in mail memory are addressed directly by the CPU’s instructions
(ii). Due to refreshing action, DRAM memory is called dynamic RAM.
A
(i)-TRUE (ii)-TRUE
B
(i)-TRUE (ii)-FALSE
C
(i)-FALSE (ii)-TRUE
D
(i)-FALSE (ii)-FALSE
Question 38
State whether the following sentences are true or false
(i). In Adobe Photoshop, alpha channels store selection as grayscale images
(ii). In Adobe flash Player, the guide layer sets the trajectory of a moving object in an animation
A
(i)-TRUE (ii)-FALSE
B
(i)-FALSE (ii)-TRUE
C
(i)-TRUE (ii)-TRUE
D
(i)-FALSE (ii)-FALSE
Question 39
What will be the output of the following digital circuit, where X’ represents the complementing of the binary variable X?
A
0
B
1
C
x'
D
x
Question 40
Why respect to operating system, which of the following is NOT a valid category of scheduler?
A
Medium-term scheduler
B
Long-term Scheduler
C
Short-term scheduler
D
Virtual scheduler
Question 41
Which of the following is made with cells that store data as charge on capacitors?
A
EPROM
B
DRAM
C
ROM
D
SRAM
Question 42
Which of the following statements about VBScript is FALSE?
A
It is cross-browser independent
B
It is a proprietary languages
C
It is an active scripting languages
D
It is based on Visual Basic
Question 43
Which of the following is NOT an audio editing software?
A
Audacity
B
KineMaster
C
Adobe Audition
D
Sound Forge
Question 44
How many composite attributes are available in the following ER diagram?
A
2
B
8
C
6
D
5
Question 45
Which of the following statements is/are true?
(i). When the time allocated in a Round Robin scheduling is very high then it results in a FCFS scheduling
(ii). When the time allocated in a Round Robin scheduling is very low then more time is spent on context scheduling
A
Only (ii) is true
B
Both (i) and (ii) are true
C
Neither (i) nor (ii) is true
D
Only (i) is true
Question 46
The boolean expression (X+Y)(X+Z) can be simplified to:
A
X+Y’Z
B
Z+XY
C
Y+XZ
D
X+YZ
Question 47
Which of the following statements is/are FALSE?
(i). In floating point arithmetic, addition and subtraction operation are more complex than multiplication and division operations
(ii). A floating-point arithmetic can never produce exponent overflow or exponent underflow
A
Neither (i) nor (ii) is false
B
Both (i) and (ii) are false
C
Only (i) is false
D
Only (ii) false
Question 48
A parity generator is a _____ logic system that generates the parity bit at the _____side.
A
Sequential, receiving
B
Combinational, transmitting
C
Sequential, Transmitting
D
Combinational, receiving
Question 49
Which of the following is NOT an optional parameter of MsgBoox function in VBScript?
A
Buttons
B
Prompt
C
Title
D
Context
Question 50
Which of the following binary tree traversals arranges the node values in ascending order when it is applied over a binary search tree?
A
Level-order traversal
B
Inorder traversal
C
Preorder traversal
D
Postorder traversal
Question 51
A full adder is a____, which consists of three inputs and _____outputs
A
Sequential circuit, one
B
Sequential circuit, two
C
Combinational circuit, one
D
Combinational circuit, two
Question 52
In Visual Basic, when the checkbox is checked, its value is set to ___ and when it is unchecked the value is set to _____.
A
0,1
B
-1,1
C
1,0
D
1,-1
Question 53
Using 2’s complement representation, what is the largest(signed) integer value that can be stored in an 8-bit memory space?
A
127
B
255
C
256
D
128
Question 54
When a program is allocated a memory hole that is bigger than needed, then it is called?
A
Internal fragmentation
B
Page fault
C
Segmentation
D
External Fragmentation
Question 55
Which of the following statements about Array in C++ is FALSE?
A
Generally, arrays are of fixed size
B
Array elements are stored in contiguous memory locations.
C
All elements of an array are of same data type
D
Array elements can only be accessed sequentially.
Question 56
In direct memory access(DMA) mechanism, the I/O devices and main memory exchange data directly, without the involvement of the____
A
Processor
B
I/O device
C
Main memory
D
Operating system
Question 57
Which of the following is the smallest network that may include Bluetooth-enabled or infra-red enabled devices?
A
PAN
B
LAN
C
MAN
D
WAN
Question 58
State whether the following sentences are true or false
(i). RJ45 is a type of connector commonly used for connecting components of a computer system(e.g.keyboard)
(ii). A gateway is used to connect two networks together that may work upon different networking models.
A
(i)- TRUE (ii)-TRUE
B
(i)- TRUE (ii)-FALSE
C
(i)- FALSE (ii)-FALSE
D
(i)- FALSE (ii)-TRUE
Question 59
In HTML, you can set content font size using _____ attributes, and the default size of a font is_____
A
Size, 3
B
Font, 5
C
Size, 5
D
Font, 3
Question 60
State whether the following sentences are true or false
(i) with memory-mapped I/O, a single read line and a single write line are needed on the bus.
(ii) with isolated I/O, the address space for I/O, the space for I/O is isolated from that for memory.
A
(i)-TRUE (ii)-TRUE
B
(i)-FALSE (ii)-FALSE
C
(i)-FALSE (ii)-TRUE
D
(i)-TRUE (ii)-FALSE
There are 60 questions to complete.
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