C Programming Mock Test 16 - Online MCQ Exam

Choose a statement that is NOT an exception in C#:

1 Mark(s)

Your Answer:

stack overflow stack overflow
arithmetic overflow or underflow arithmetic overflow or underflow
incorrect arithmetic expression incorrect arithmetic expression
array index out of bound array index out of bound

Which package in R is commonly used for creating and managing databases?

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Your Answer:

dbR dbR
RDBMS RDBMS
dbplyr dbplyr
sqldf sqldf

We can use the not exists construct to simulate the set containment, which is a:

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Your Answer:

Query operation Query operation
Subquery operation Subquery operation
Subset operation Subset operation
Dataset operation Dataset operation

In Windows XP, what does ‘XP’ stands for?

1 Mark(s)

Your Answer:

eXPensive eXPensive
eXPlore eXPlore
eXPerience eXPerience
eXtra Power eXtra Power

Two wave sources are perfectly coherent with each other, if and only if they have:

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Your Answer:

180° phase difference 180° phase difference
constant phase difference constant phase difference
90° phase difference 90° phase difference
120° phase difference 120° phase difference

LIFO stands for:

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Your Answer:

Last In First Out Last In First Out
Last Input First Output Last Input First Output
Late In First Out Late In First Out
Long In Fast Out Long In Fast Out

In which of the following scenarios is a linked list preferable to an array?

1 Mark(s)

Your Answer:

When you need constant time access When you need constant time access
When you need dynamic resizing When you need dynamic resizing
When you need better cache locality When you need better cache locality
When you need a fixed size When you need a fixed size

Shortcut key for Change case is____________?

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Your Answer:

Shift+F3 Shift+F3
Ctrl+Shift+F3 Ctrl+Shift+F3
Ctrl+F5 Ctrl+F5
Ctrl+Alt Ctrl+Alt

Which is the correct CSS syntax?

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Your Answer:

body:color=black; body:color=black;
{body;color:black;} {body;color:black;}
{body:color=black;} {body:color=black;}
body {color: black;} body {color: black;}

Light atoms can move with the help of:

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Your Answer:

strong energy strong energy
atom's energy atom's energy
surrounding's energy surrounding's energy
force force

The processor which performs arithmetical and logical operations is called

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Your Answer:

Control Control
ALU ALU
Register Register
Cache Memory Cache Memory

Attribute must be set on a validator control for the validation to work.

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Your Answer:

ValidateControl ValidateControl
ControlToValidate ControlToValidate
ControlToBind ControlToBind
Validate Validate

Which of the following describes an industry-wide standard suite of protocols and algorithms that allows for secure data transmission over an IP-based network that functions at the layer 3 Network layer of the OSI model?

1 Mark(s)

Your Answer:

HDLC HDLC
Cable Cable
VPN VPN
IPSec IPSec
xDSL xDSL

Length of a day is:

1 Mark(s)

Your Answer:

9x1017 9x1017
9x107 9x107
9x104 9x104
9x1014 9x1014

What data structure is used for efficiently managing a collection of ordered elements where insertions and deletions are frequent?

1 Mark(s)

Your Answer:

Hash Table Hash Table
Array Array
Queue Queue
Balanced Tree Balanced Tree

What does KB stands for?

1 Mark(s)

Your Answer:

Kili Bind Kili Bind
KiloByte KiloByte
Kilo Basic Kilo Basic
None of these Answer None of these Answer

What is false about constructor?

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Your Answer:

Constructors cannot be synchronized in Java
Java does not provide default copy constructor
Constructor can have a return type Constructor can have a return type
"this" and "super" can be used in a constructor

In Flume, what is the role of a Flume Sink?

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Your Answer:

Execute MapReduce jobs Execute MapReduce jobs
Store intermediate data Store intermediate data
Collect and ingest data Collect and ingest data
Output data to the destination Output data to the destination

Which of the following is correct typedef for function pointer returning int and taking two int parameters?

1 Mark(s)

Your Answer:

typedef int (*funcPtr)(int,int); typedef int (*funcPtr)(int,int);
typedef int *funcPtr(int,int); typedef int *funcPtr(int,int);
typedef int funcPtr(*int,int); typedef int funcPtr(*int,int);
typedef int &funcPtr(int,int); typedef int &funcPtr(int,int);

What is session management in a Java web application?

1 Mark(s)

Your Answer:

The process of maintaining user-specific data across multiple requests
The process of starting a web server The process of starting a web server
A type of coffee bean A type of coffee bean
A Java keyword A Java keyword

What is the __init__ method used for in Python classes?

1 Mark(s)

Your Answer:

It initializes the attributes of an object
It defines a method It defines a method
It is a constructor It is a constructor
It is a destructor It is a destructor

In Java, can a subclass inherit static methods from its superclass?

1 Mark(s)

Your Answer:

Only if the superclass is marked as "abstract"
Only if the subclass is marked as "final"
Yes, a subclass inherits static methods from its superclass
No, static methods are not inherited No, static methods are not inherited

Which of the following property applies one or more drop shadows to the text?

1 Mark(s)

Your Answer:

text-shadow text-shadow
text-effect text-effect
text-format text-format
text-decoration-shadow text-decoration-shadow

What will be the output of the following Python code? class A: def one(self): return self.two() def two(self): return 'A' class B(A): def two(self): return 'B' obj1=A() obj2=B() print(obj1.two(),obj2.two())

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Your Answer:

A A A A
A B A B
B B B B
An exception is thrown An exception is thrown

What will the following expression evaluate to? (true && false) | | (!true)

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Your Answer:

True True
False False
Error Error
None of the mentioned None of the mentioned

Floyd-Warshall algorithm is used for?

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Your Answer:

Single Source Shortest Path Single Source Shortest Path
All-Pairs Shortest Path All-Pairs Shortest Path
MST MST
Sorting Sorting

Relationship between the net external torque and the angular acceleration is:

1 Mark(s)

Your Answer:

Newton's Second Law of Rotation Newton's Second Law of Rotation
Newton's Second Law of Particles Newton's Second Law of Particles
Newton's Second Law of Thermodynamics Newton's Second Law of Thermodynamics
Newton's Second Law of Electromagnetics Newton's Second Law of Electromagnetics

In what time can the Hamiltonian path problem can be solved using dynamic programming?

1 Mark(s)

Your Answer:

O(N) O(N)
O(N log N) O(N log N)
O(N2) O(N2)
O(N2 2N) O(N2 2N)

Which one of the following namespaces contains the definition for IdbConnection ?

1 Mark(s)

Your Answer:

System.Data.Interfaces System.Data.Interfaces
System.Data.Connection System.Data.Connection
System.Data.Common System.Data.Common
System.Data System.Data

Which of the following is a method to find the length of an array in C++?

1 Mark(s)

Your Answer:

size() size()
length() length()
sizeof(array)/sizeof(array[0]) sizeof(array)/sizeof(array[0])
array.size() array.size()

What is the main drawback of Bubble Sort?

1 Mark(s)

Your Answer:

It is not a stable sort. It is not a stable sort.
It requires additional memory. It requires additional memory.
It is inefficient for large datasets. It is inefficient for large datasets.
It cannot sort linked lists. It cannot sort linked lists.

Which Java class provides methods for fixed-size arrays with automatic resizing?

1 Mark(s)

Your Answer:

HashSet HashSet
Vector Vector
ArrayList ArrayList
LinkedList LinkedList

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C Programming Mock Test 16 : Question 1 of 32