C++ Programming Mock Test 13

Which of the following is correctly evaluated for this function? pow(x,y,z) ``` pow(x,y,z) ```

1 Mark(s)

Your Answer:

(x**y) / z (x**y) / z
(x / y) * z (x / y) * z
(x**y) % z (x**y) % z
(x / y) / z (x / y) / z

A second generation of high performance fibers introduced for functional applications have:

1 Mark(s)

Your Answer:

high strength and low extensibility high strength and low extensibility
low strength and low extensibility low strength and low extensibility
high strength and high extensibility high strength and high extensibility
low strength and high extensibility low strength and high extensibility

The domain names are always read from the:

1 Mark(s)

Your Answer:

node up to the root node up to the root
node down to the leaf node down to the leaf
root to child root to child
leaf leaf

What is the correct way to declare a floating-point variable in C#?

1 Mark(s)

Your Answer:

var num; var num;
Num float; Num float;
double num; double num;
float num; float num;

Which type of binary search tree is imitated for construction of tango tree?

1 Mark(s)

Your Answer:

Complete Binary Search Tree Complete Binary Search Tree
Perfect Binary Search Tree Perfect Binary Search Tree
Balanced Binary Search Tree Balanced Binary Search Tree
Degenerate Binary Search Tree Degenerate Binary Search Tree

What is the correct way to declare and initialize a multidimensional array with 3 rows and 4 columns in C#?

1 Mark(s)

Your Answer:

int[3, 4] matrix = new int; int[3, 4] matrix = new int;
int matrix[3, 4]; int matrix[3, 4];
int[,] matrix = new int[3, 4]; int[,] matrix = new int[3, 4];
int[3][4] matrix; int[3][4] matrix;

State true or false. Maqetta is an open source initiative of the Dojo Foundation to geared towards visual designers through a WYSIWYG user interface.

1 Mark(s)

Your Answer:

True True
False False

In Microsoft Word, ____________ can be used to decide on the spacing between lines of a paragraph.

1 Mark(s)

Your Answer:

Alignment Alignment
Effects Effects
Indentation Indentation
Line spacing Line spacing

Organized set of related components is referred as:

1 Mark(s)

Your Answer:

system development life cycle system development life cycle
network network
processing processing
system system

In voice over IP, Term SIP stands for:

1 Mark(s)

Your Answer:

Session Initiation protocol Session Initiation protocol
Session Initiation Port Session Initiation Port
Session Initiation Path Session Initiation Path
Session Initiation Packet Session Initiation Packet

Understanding and making use of the information received from light passing through the slide is called as:

1 Mark(s)

Your Answer:

diffusion diffusion
diffraction diffraction
deformation deformation
value formation value formation

What is the default fount size in a new word document based on normal template in word 2003?

1 Mark(s)

Your Answer:

12 pt 12 pt
11 pt 11 pt
Both Both
None None

In which derivation the leftmost non-terminal symbol is replaced at each step?

1 Mark(s)

Your Answer:

Left recursion Left recursion
Left non-terminal Left non-terminal
Left pushdown Left pushdown
Leftmost Leftmost

What is the role of the Spinbox widget in Tkinter?

1 Mark(s)

Your Answer:

Displaying images Displaying images
Displaying a list of options Displaying a list of options
Selecting a value from a range Selecting a value from a range
Drawing graphics Drawing graphics

Substance that is able to get dissolved in the solvent is said to be:

1 Mark(s)

Your Answer:

solute solute
solvent solvent
insoluble insoluble
soluble soluble

When the session data is written to a file, it can be read back, decoded and applied to the current session using the . . . . function.

1 Mark(s)

Your Answer:

session_reset() session_reset()
session_get_cookie_params() session_get_cookie_params()
session_encode() session_encode()
session_decode() session_decode()

Observer the given C++ program carefully and choose the correct output from the given options: Program #include #include using namespace std; int main() { cout<::value; // case A cout<::value; // case B cout<::value; // case c return 0; } ``` #include #include using namespace std; int main() { cout<::value; // case A cout<::value; // case B cout<::value; // case c return 0; } ```

1 Mark(s)

Your Answer:

110 110
001 001
010 010
None of the above None of the above

Mean distance from Sun to Pluto is:

1 Mark(s)

Your Answer:

5900x106 Km 5900x106 Km
228x106 Km 228x106 Km
778x106 Km 778x106 Km
1430x106 Km 1430x106 Km

In MS Word, Portrait and Landscape are _______?

1 Mark(s)

Your Answer:

Page layout Page layout
Page size Page size
Page Orientation Page Orientation
All of these All of these

The ______ function in Excel returns the highest value in a set of data that you specify.

1 Mark(s)

Your Answer:

LRG LRG
AVG AVG
MAX MAX
None of these None of these

Isothermic process is also known as:

1 Mark(s)

Your Answer:

isovolumetric process isovolumetric process
adiabatic process adiabatic process
closed cycle closed cycle
free expansion free expansion

What is the result of 2 ** 3 % 3 ?

1 Mark(s)

Your Answer:

2 2
0 0
1 1
3 3

Command which is used to clear the screen is:

1 Mark(s)

Your Answer:

cls cls
clear clear
clscreen clscreen
clearscreen clearscreen

Because of virtual memory, memory can be shared among:

1 Mark(s)

Your Answer:

Threads Threads
Processes Processes
Instructions Instructions
None of the mentioned None of the mentioned

Which of the following are input devices?

1 Mark(s)

Your Answer:

Keyboard Keyboard
Mouse Mouse
Card reader Card reader
All of these All of these

When is memory allocated for a 'static' variable in C?

1 Mark(s)

Your Answer:

During compile time During compile time
During runtime During runtime
During function call During function call
During program termination During program termination

Study the following program: i = 1: while True: if i%3 == 0: break print(i) Which of the following is the correct output of this program? ``` i = 1: while True: if i%3 == 0: break print(i) ```

1 Mark(s)

Your Answer:

1 2 3 1 2 3
3 2 1 3 2 1
1 2 1 2
Invalid syntax Invalid syntax

What is a data structure?

1 Mark(s)

Your Answer:

A collection of data values A collection of data values
A programming language A programming language
A set of algorithms A set of algorithms
A way of organizing and storing data A way of organizing and storing data

What is the key difference between a binary heap and a binary search tree?

1 Mark(s)

Your Answer:

A binary heap maintains a heap property and is typically used to implement priority queues, while a binary search tree maintains sorted order of elements.
A binary heap is a type of balanced tree, while a binary search tree is an unbalanced tree.
A binary heap stores elements in sorted order, while a binary search tree does not.
A binary heap supports fast insertion and deletion, while a binary search tree supports fast search.

What are the two predefined FILE pointers in C?

1 Mark(s)

Your Answer:

console and error console and error
stdout and stdio stdout and stdio
stdout and stderr stdout and stderr
stdio and stderr stdio and stderr
console and stdio. console and stdio.

Which of the following is not a table scope operator?

1 Mark(s)

Your Answer:

MEMSTORE_FLUSH MEMSTORE_FLUSH
MEMSTORE_FLUSHSIZE MEMSTORE_FLUSHSIZE
MAX_FILESIZE MAX_FILESIZE
All of the mentioned All of the mentioned

How can you add an element at the end of a list or tuple in Python?

1 Mark(s)

Your Answer:

append() append()
add() add()
insert() insert()
extend() extend()

Which of the following statements invoke the exception class?

1 Mark(s)

Your Answer:

throws new Exception(); throws new Exception();
throw new Exception(); throw new Exception();
new Exception(); new Exception();
new throws Exception(); new throws Exception();

In the Cellular Network, on which of the following, the cell's shape depends?

1 Mark(s)

Your Answer:

Political conditions Political conditions
Social Conditions Social Conditions
Environment Condition Environment Condition
None of the above None of the above

Variables shared among all instances of a class are:

1 Mark(s)

Your Answer:

Instance Instance
Local Local
Static Static
Private Private

What is the purpose of the reverse() method for lists and tuples?

1 Mark(s)

Your Answer:

Reverses the order of elements in the list or tuple
Removes the last element Removes the last element
Deletes the list or tuple Deletes the list or tuple
Adds an element to the list or tuple Adds an element to the list or tuple

How do you create a vector of logical values in R?

1 Mark(s)

Your Answer:

c(TRUE, FALSE, TRUE) c(TRUE, FALSE, TRUE)
vector(TRUE, FALSE, TRUE) vector(TRUE, FALSE, TRUE)
logical_vector(TRUE, FALSE, TRUE) logical_vector(TRUE, FALSE, TRUE)
create_logical_vector(TRUE, FALSE) create_logical_vector(TRUE, FALSE)

What is an exception in Java?

1 Mark(s)

Your Answer:

An error that occurs during runtime An error that occurs during runtime
An error that occurs during compilation An error that occurs during compilation
A warning issued by the compiler A warning issued by the compiler
A type of loop A type of loop

What is a dangling pointer?

1 Mark(s)

Your Answer:

Points to freed memory Points to freed memory
Points to null Points to null
Points to void Points to void
Points to global Points to global

What is the output of the given code? print "Hey" puts "Everyone!" print "We are learning Ruby"

1 Mark(s)

Your Answer:

Error Error
Hey everyone we are learning Ruby Hey everyone we are learning Ruby
Hey everyone Hey everyone
Hey Everyone We are learning Ruby Hey Everyone We are learning Ruby

Encryption and decryption provide secrecy, or confidentiality, but not:

1 Mark(s)

Your Answer:

authentication authentication
integrity integrity
privacy privacy
modularity modularity

Block coding is normally referred to as mBlnB coding; it replaces each m-bit group with an:

1 Mark(s)

Your Answer:

n-bit group n-bit group
n-1 bit group n-1 bit group
n+1 bit group n+1 bit group
none none

SQL provides the nvarchar type to store multilingual data using the:

1 Mark(s)

Your Answer:

Binary code representation Binary code representation
ANSI representation ANSI representation
Char-code representation Char-code representation
Unicode representation Unicode representation

Linux runs on a very large range of:

1 Mark(s)

Your Answer:

Network Architecture Network Architecture
Hardware Architecture Hardware Architecture
Software Architecture Software Architecture
Processor Architecture Processor Architecture

Variables passed throgh methods are:

1 Mark(s)

Your Answer:

parameters parameters
specially variables specially variables
local variables local variables
unUsed variables unUsed variables

A relation is in this form if it is in BCNF and has no multivalued dependencies:

1 Mark(s)

Your Answer:

second normal form. second normal form.
third normal form. third normal form.
fourth normal form. fourth normal form.
domain/key normal form. domain/key normal form.

Who Invented the First Computer Mouse?

1 Mark(s)

Your Answer:

Douglas Engelbart Douglas Engelbart
Ada Lovelace Ada Lovelace
Charles Babbage Charles Babbage
None of these None of these

Which is not a JavaScript global function?

1 Mark(s)

Your Answer:

compile() compile()
eval() eval()
decodeURI() decodeURI()
isNaN() isNaN()

Is the following Python code valid? >>> a=(1,2,3) >>> b=('A','B','C') >>> c=tuple(zip(a,b))

1 Mark(s)

Your Answer:

Yes, c will be ((1, 'A'), (2, 'B'), (3, 'C'))
Yes, c will be ((1,2,3),('A','B','C')) Yes, c will be ((1,2,3),('A','B','C'))
No because tuples are immutable No because tuples are immutable
No because the syntax for zip function isn't valid

What is a time complexity for inserting an alphabet in the tree using hash maps?

1 Mark(s)

Your Answer:

O (log n!) O (log n!)
O (n!) O (n!)
O (n2) O (n2)
O (1) O (1)

The physical properties of a solid depends upon discrete and:

1 Mark(s)

Your Answer:

arrangement of small particles arrangement of small particles
freedom of motion of small particles freedom of motion of small particles
freedom of motion of big particles freedom of motion of big particles
both a and b both a and b

In HBase, what is the significance of the HBase Data Block Encoding?

1 Mark(s)

Your Answer:

A storage format in Hadoop A storage format in Hadoop
A query language for HBase A query language for HBase
Optimize storage and retrieval of data in HBase
A distributed file system A distributed file system

Bit is the most famous basic unit in computing which stands for?

1 Mark(s)

Your Answer:

Binary digit Binary digit
Base digit Base digit
Basic digit Basic digit
Byte digit Byte digit

What is the value of density in wood pulp?

1 Mark(s)

Your Answer:

65 65
50 50
36 36
64 64

Which technique is used to solve overlapping subproblems in Dynamic Programming?

1 Mark(s)

Your Answer:

Greedy Approach Greedy Approach
Sorting Sorting
Memoization Memoization
Binary Search Binary Search

What is the purpose of the Thread class in C#?

1 Mark(s)

Your Answer:

To allocate memory for storing thread-related data
To provide synchronization mechanisms for multithreaded programs
To represent a single thread of execution
To manage a collection of threads To manage a collection of threads

In C++, which access specifier allows members of a base class to be accessible in the derived class but not to the outside world?

1 Mark(s)

Your Answer:

friend friend
private private
public public
protected protected

In gigabit Ethernet three or more stations are connected by:

1 Mark(s)

Your Answer:

ring topology ring topology
bus topology bus topology
star topology star topology
mesh topology mesh topology

Which one of the following commands is used for removing (or deleting) a relation forms the SQL database?

1 Mark(s)

Your Answer:

Delete Delete
Drop Drop
Remove Remove
All of the above All of the above

Which control flow statement in C# is used to handle multiple conditions using a single switch expression?

1 Mark(s)

Your Answer:

if-else if-else if-else if-else
while while
switch-case switch-case
for for

Which of the following is the way in which an IoT device is associated with data?

1 Mark(s)

Your Answer:

Internet Internet
Cloud Cloud
Automata Automata
Network Network

If we throw a ball upwards it will come to ground by a force called:

1 Mark(s)

Your Answer:

magnetic magnetic
friction friction
gravity gravity
electricity electricity

File Transfer Protocol (FTP) copies a file from:

1 Mark(s)

Your Answer:

node to node node to node
one host to another one host to another
from servers from servers
one network to other one network to other

Reverse Path Broadcasting (RPB) guarantees that the packet reaches every:

1 Mark(s)

Your Answer:

system id system id
network network
source source
header header

The R-help and . . . . . . . . mailing lists have been highly active for over a decade now.

1 Mark(s)

Your Answer:

R-mail R-mail
R-devel R-devel
R-dev R-dev
R-del R-del

E-Commerce is a ______?

1 Mark(s)

Your Answer:

Social Networking Social Networking
Online Trade Online Trade
Commodity Exchange Commodity Exchange
Stocks and Shares Stocks and Shares

A large number of interlinked chains in an ecosystem together forms a:

1 Mark(s)

Your Answer:

Nitrogen cycle Nitrogen cycle
Carbon cycle Carbon cycle
Food web Food web
Food chain Food chain

Electric motor speed will be increase with the increase in:

1 Mark(s)

Your Answer:

heat heat
energy energy
potential potential
electric current electric current

Scheduling is done by:

1 Mark(s)

Your Answer:

weighted fair queuing weighted fair queuing
FIFO FIFO
random random
LIFO LIFO

Consider the following statements var count = 0; while (count 10) { console.log(count); count++; }

1 Mark(s)

Your Answer:

The values of count is logged or stored in a particular location or storage
The value of count from 0 to 9 is displayed in the console
An error is displayed An error is displayed
An exception is thrown An exception is thrown

What is the significance of the Hadoop OutputFormat?

1 Mark(s)

Your Answer:

Manage storage layer Manage storage layer
Manage computation resources Manage computation resources
Execute MapReduce jobs Execute MapReduce jobs
Manage Hadoop ecosystem tools Manage Hadoop ecosystem tools

First order logic Statements contains______.

1 Mark(s)

Your Answer:

Predicate and Preposition Predicate and Preposition
Subject and an Object Subject and an Object
Predicate and Subject Predicate and Subject
None of the above None of the above

Which one of the following is not a possible state for a pointer.

1 Mark(s)

Your Answer:

hold the address of the specific object hold the address of the specific object
point one past the end of an object point one past the end of an object
zero zero
point to a type point to a type

Sensitivity of material at ordinary temperatures affects:

1 Mark(s)

Your Answer:

behavior behavior
processing processing
usage usage
all of above all of above

When a table has been added to a Word document and is active, what two tabs are added to the Ribbon?

1 Mark(s)

Your Answer:

Design and Layout Design and Layout
Design and Formulas Design and Formulas
Charting and Layout Charting and Layout
None of these None of these

. . . . . . . . storage is a solution to decouple growing storage capacity from compute capacity.

1 Mark(s)

Your Answer:

DataNode DataNode
Archival Archival
Policy Policy
None of the mentioned None of the mentioned

Which algorithm is considered to be the fastest for string matching in practice, especially for large texts?

1 Mark(s)

Your Answer:

Rabin-Karp Rabin-Karp
Knuth-Morris-Pratt (KMP) Knuth-Morris-Pratt (KMP)
Naive Search Naive Search
Boyer-Moore Boyer-Moore

In ASP.NET Core MVC, what is the purpose of the appsettings.json file?

1 Mark(s)

Your Answer:

It handles HTTP requests and responses It handles HTTP requests and responses
It defines routing rules It defines routing rules
It stores application configuration settings
It manages session data It manages session data

Communication between a computer and keyboard involves?

1 Mark(s)

Your Answer:

Full-duplex Full-duplex
Simplex Simplex
Half-duplex Half-duplex
None of these None of these

Evaluating Your Answers

C++ Programming Mock Test 13 : Question 1 of 79