C++ Programming Mock Test 9

Whenever a conductor are placed in a varying magnetic field EMF are induced which is called:

1 Mark(s)

Your Answer:

encapsulated EMF encapsulated EMF
induced EMF induced EMF
transnational EMF transnational EMF
rotational EMF rotational EMF

Pointing and drop devices includes:

1 Mark(s)

Your Answer:

mouse mouse
scanner scanner
printer printer
CD-ROM CD-ROM

What is the role of Apache NiFi's "FlowFile" in data flow management?

1 Mark(s)

Your Answer:

A storage format in Hadoop A storage format in Hadoop
A query language for Hadoop A query language for Hadoop
Represents a unit of data being moved Represents a unit of data being moved
A distributed file system A distributed file system

During LC oscillation, if q is charge and C is capacitance then electrical energy of capacitor is:

1 Mark(s)

Your Answer:

1/2 (1/C)q2 1/2 (1/C)q2
1/2 Cq2 1/2 Cq2
1/2 Cq3 1/2 Cq3
Cq Cq

Laboratory vacuum has density of:

1 Mark(s)

Your Answer:

1x1018 kg/m3 1x1018 kg/m3
1x1017 kg/m3 1x1017 kg/m3
1x10-17 kg/m3 1x10-17 kg/m3
1x10-18 kg/m3 1x10-18 kg/m3

Which of the following property defines the offset from an element’s border and its outline?

1 Mark(s)

Your Answer:

outline-border outline-border
outline-offset outline-offset
outline-radius outline-radius
none of the mentioned none of the mentioned

What is the maximum number of statements recommended in an inline function?

1 Mark(s)

Your Answer:

1 1
2–5 2–5
10 10
No strict limit No strict limit

Density of Venus is:

1 Mark(s)

Your Answer:

3933 kg/m3 3933 kg/m3
5427 kg/m3 5427 kg/m3
5243 kg/m3 5243 kg/m3
687 kg/m3 687 kg/m3

What will be the output of the following Python code snippet? for i in '': print (i)

1 Mark(s)

Your Answer:

None None
(nothing is printed) (nothing is printed)
error error
none of the mentioned none of the mentioned

Following algorithms are based on the divide-and-conquer programming approach Except?

1 Mark(s)

Your Answer:

Heap Sort Heap Sort
Merge Sort Merge Sort
Quick Sort Quick Sort
Binary Search Answer Binary Search Answer

Which of the following CSS3 property specifies where to navigate when using the arrow-down navigation key?

1 Mark(s)

Your Answer:

down down
nav-down nav-down
arrow-down arrow-down
none of the mentioned none of the mentioned

Comb sort is a stable sorting algorithm.

1 Mark(s)

Your Answer:

True True
False False

Virtual Local Area Networks (VLANs) provide:

1 Mark(s)

Your Answer:

time-efficiency and security time-efficiency and security
reduce network traffic reduce network traffic
both a and b both a and b
none of the above none of the above

What refers to the value associated with a specific attribute of an object and to any actions or side ?

1 Mark(s)

Your Answer:

Object Object
State State
Interface Interface
None of the mentioned None of the mentioned

What will be the output of the following C# code snippet? class sum { public int x; public int y; public int add (int a, int b) { x = a + b; y = x + b; return 0; } } class Program { static void Main(string[] args) { sum obj1 = new sum(); sum obj2 = new sum(); int a = 2; obj1.add(a, a + 1); obj2.add(5, a); Console.WriteLine(obj1.x + " " + obj2.y); Console.ReadLine(); } }

1 Mark(s)

Your Answer:

6, 9 6, 9
5, 9 5, 9
9, 10 9, 10
3, 2 3, 2

The wall of the cell that surrounds the cytoplasm is known as:

1 Mark(s)

Your Answer:

cell membrane cell membrane
cell wall cell wall
cytoplasm cytoplasm
vacuole vacuole

Buttons present on the most conventional kind of mouse are:

1 Mark(s)

Your Answer:

2 2
3 3
4 4
5 5

The ability to maintain a constant movement without falling is known as:

1 Mark(s)

Your Answer:

equilibrium equilibrium
balance balance
static static
movement movement

. . . . . . . . can be used to generate stats over the results of arbitrary numeric functions.

1 Mark(s)

Your Answer:

stats.field stats.field
sta.field sta.field
stats.value stats.value
none of the mentioned none of the mentioned

What is the purpose of the Zip operator in LINQ?

1 Mark(s)

Your Answer:

Returns the number of elements in a sequence
Converts a sequence to a List Converts a sequence to a List
Merges two sequences by using the elements of both sequences
Converts a sequence to an Array Converts a sequence to an Array

First Computer for home use was introduced in 1981 by which company?

1 Mark(s)

Your Answer:

IBM IBM
Apple Apple
Intel Intel
Dell Dell

What happens if you increase the value of a node in a max-heap?

1 Mark(s)

Your Answer:

The heap property is restored by moving the node down.
The node is removed, and a new node is added.
The heap property is restored by moving the node up.
The heap becomes unbalanced. The heap becomes unbalanced.

Rm file.txt command of the operating system program is used to:

1 Mark(s)

Your Answer:

delete/remove file delete/remove file
load file load file
store file store file
restore file restore file

What is the time complexity of the Boyer-Moore string matching algorithm in the best case?

1 Mark(s)

Your Answer:

O(m + n) O(m + n)
O(n) O(n)
O(m/n) O(m/n)
O(m log n) O(m log n)

What type of file is YUI Compressor?

1 Mark(s)

Your Answer:

Binary file Binary file
JAR file JAR file
Text file Text file
Assembly file Assembly file

What will be the output for the below code? public class Test{ public static void main(String[] args){ byte i = 128; System.out.println(i); } }

1 Mark(s)

Your Answer:

128 128
0 0
Compilation fails with an error at line 3
Compilation fails with an error at line 4
None of these None of these

Determine Output: void main() { int i = -1; +i; printf("i = %d, +i = %d", i, +i); }

1 Mark(s)

Your Answer:

i = -1, +i = 1 i = -1, +i = 1
i = 1, +i = 1 i = 1, +i = 1
i = -1, +i = -1 i = -1, +i = -1
None of These None of These

Among the following, which shows the Multiple inheritances?

1 Mark(s)

Your Answer:

X,Y->Z X,Y->Z
X->Y->Z X->Y->Z
X->Y;X->Z X->Y;X->Z
None of the above None of the above

We send a voice signal from a microphone to a recorder, the transmission is:

1 Mark(s)

Your Answer:

base band transmission base band transmission
broad band transmission broad band transmission
authenticated authenticated
broadcast broadcast

A compressed audio/video file can be downloaded as a:

1 Mark(s)

Your Answer:

image image
video video
frame frame
text file text file

Which of the following property defines the style for the left border of an element?

1 Mark(s)

Your Answer:

border-style border-style
border-left-style border-left-style
border-left-width border-left-width
border-right border-right

DFA is an abbreviation of.

1 Mark(s)

Your Answer:

Non Deterministic Finite set Automata Non Deterministic Finite set Automata
Deterministic Finite Automata Deterministic Finite Automata
Non Deterministic Finite Automata Non Deterministic Finite Automata
Deterministic Finite set Automata Deterministic Finite set Automata

What will be the output of the following Python code snippet? print([if i%2==0: i; else: i+1; for i in range(4)])

1 Mark(s)

Your Answer:

[0, 2, 2, 4] [0, 2, 2, 4]
[1, 1, 3, 3] [1, 1, 3, 3]
error error
none of the mentioned none of the mentioned

Command used to ask the browser to send you the most updated version of the page you’re viewing is called:?

1 Mark(s)

Your Answer:

View Updated View Updated
Browser Browser
Refresh Refresh
None of these Answer None of these Answer

Consider the following data. The pre order traversal of a binary tree is A, B, E, C, D. The in order traversal of the same binary tree is B, E, A, D, C. The level order sequence for the binary tree is . . . . . . . .

1 Mark(s)

Your Answer:

A, C, D, B, E A, C, D, B, E
A, B, C, D, E A, B, C, D, E
A, B, C, E, D A, B, C, E, D
D, B, E, A, C D, B, E, A, C

An error is also known as:

1 Mark(s)

Your Answer:

Bug Bug
Debug Debug
Cursor Cursor
Icon Icon
None of these None of these

Which of these benefits can be achieved when software is restructured ?

1 Mark(s)

Your Answer:

Higher quality programs Higher quality programs
Reduced maintenance effort Reduced maintenance effort
Software easier to test Software easier to test
All of the mentioned All of the mentioned

Except for one metal i.e. Mercury, rest of the metals are solids at:

1 Mark(s)

Your Answer:

oven oven
room temperature room temperature
freezing point freezing point
sunshine sunshine

What is the default value of an integer array in Java?

1 Mark(s)

Your Answer:

0 0
null null
-1 -1
undefined undefined

Which generation of computers used Vacuum Tubes?

1 Mark(s)

Your Answer:

First First
Second Second
Third Third
Fourth Fourth

The repeated iteration of statements is referred as:

1 Mark(s)

Your Answer:

looping looping
iterative statements iterative statements
nested statements nested statements
both a and b both a and b

Ctrl + V is used for:

1 Mark(s)

Your Answer:

Copy Copy
Cut Cut
Paste Paste
Save Save

Interrupt addresses are stored in:

1 Mark(s)

Your Answer:

array array
stack stack
indexes indexes
queue queue

What will be the output of the following C# code snippet? class MyClass { int[] a = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20}; public IEnumerator GetEnumerator() { for (int i = 0; i < 20; i++) { if (a[i] % 2 == 0) yield return (int)(a[i]); } } } class Program { static void Main(string[] args) { MyClass mc = new MyClass(); foreach (int i in mc) Console.Write(i + " "); Console.WriteLine(); Console.ReadLine(); } }

1 Mark(s)

Your Answer:

prints nothing code run successfully prints nothing code run successfully
run time error run time error
code runs successfully prints even number between 1 to 20
compile time error compile time error

Which of the following is used for voucher entry

1 Mark(s)

Your Answer:

Ledger Account Ledger Account
Groups Groups
Sub-Groups Sub-Groups
Depends on number of companies Depends on number of companies

Some handheld computers contains features of tiny built-in keyboards or microphone that allows:

1 Mark(s)

Your Answer:

text input text input
data input data input
print input print input
voice input voice input

What will be the output of the following Python code? >>> a={"a":1,"b":2,"c":3} >>> b=dict(zip(a.values(),a.keys())) >>> b

1 Mark(s)

Your Answer:

{'a': 1, 'b': 2, 'c': 3} {'a': 1, 'b': 2, 'c': 3}
An exception is thrown An exception is thrown
{'a': 'b': 'c': } {'a': 'b': 'c': }
{1: 'a', 2: 'b', 3: 'c'} {1: 'a', 2: 'b', 3: 'c'}

What is the purpose of the Hadoop CombineFileInputFormat?

1 Mark(s)

Your Answer:

Combine intermediate key-value pairs on the mapper side
Distribute data to reducers Distribute data to reducers
Aggregate values on the reducer side Aggregate values on the reducer side
Sort and shuffle data Sort and shuffle data

What will be the output of the following C code? #define sqr(x) x*x main() { int a1; a1=25/sqr(5); printf("%d",a1); }

1 Mark(s)

Your Answer:

25 25
1 1
5 5
error error

What will be the output of the following C++ code? #include <iostream> #include <functional> #include <numeric> using namespace std; int myfunction (int x, int y) { return x + 2 * y; } struct myclass { int operator()(int x, int y) { return x + 3 * y; } } myobject; int main () { int init = 100; int numbers[] = {10, 20, 30}; cout << accumulate(numbers, numbers + 3, init); cout << endl; }

1 Mark(s)

Your Answer:

100 100
140 140
160 160
180 180

How do you open a file named data.txt in read mode in Python?

1 Mark(s)

Your Answer:

file = open('data.txt', 'r') file = open('data.txt', 'r')
file = open('data.txt', 'read') file = open('data.txt', 'read')
file = open('data.txt', 'read mode') file = open('data.txt', 'read mode')
file = open('data.txt') file = open('data.txt')

In URL encoding replaces non-ASCII characters with . . . . . . . .

1 Mark(s)

Your Answer:

"*" "*"
"&" "&"
"%" "%"
"+" "+"

In Process to Process delivery, at the transport layer, we need a transport layer:

1 Mark(s)

Your Answer:

ip ip
link link
address address
header header

Chromatography is generally used by:

1 Mark(s)

Your Answer:

chemists chemists
farmers farmers
magician magician
Nurses Nurses

Which one of the following lines need to be uncommented or added in the php.ini file so as to enable mysqli extension?

1 Mark(s)

Your Answer:

extension=php_mysqli.dll extension=php_mysqli.dll
extension=mysql.dll extension=mysql.dll
extension=php_mysqli.dl extension=php_mysqli.dl
extension=mysqli.dl extension=mysqli.dl

What is the role of the import statement in Python?

1 Mark(s)

Your Answer:

To declare variables To declare variables
To define classes To define classes
To import external modules To import external modules
To output text to the console To output text to the console

Control in design of an information system is used to________________?

1 Mark(s)

Your Answer:

ensure that the system processes data as it was designed to and that the results are reliable
protect data from accidental or intentional loss
inspect the system and check that it is built as per specifications
ensure privacy of data processed by it ensure privacy of data processed by it

What is the time complexity of successful linear search?

1 Mark(s)

Your Answer:

O(n log n) O(n log n)
O(1) O(1)
O(log n) O(log n)
O(n) O(n)

Perpendicular distance from the axis of rotation to the line of action of the force is called:

1 Mark(s)

Your Answer:

lever arm lever arm
fixed arm fixed arm
momentum momentum
impulse impulse

To change SI units by factors of ten into smaller or bigger units they uses:

1 Mark(s)

Your Answer:

prefixes prefixes
suffixes suffixes
symbols symbols
ratios ratios

In HBase, what is the purpose of the HBase Multi-Table feature?

1 Mark(s)

Your Answer:

Support the creation and management of multiple HBase tables
A storage format in Hadoop A storage format in Hadoop
A query language for HBase A query language for HBase
A distributed file system A distributed file system

Which function displays row data into column or column data into row?

1 Mark(s)

Your Answer:

Hyperlink Hyperlink
Index Index
Transpose Transpose
Rows Rows

Which one of the following techniques used to spread the bandwidth?

1 Mark(s)

Your Answer:

DSSS DSSS
FHSS FHSS
modulation modulation
spreading spreading

Point out the wrong statement.

1 Mark(s)

Your Answer:

unmanaged storage is reliable unmanaged storage is reliable
managed storage is relatively cheap to use
most of the user-based applications that work with cloud storage are of unmanaged type
none of the mentioned none of the mentioned

Digital signal service is created by Time-division Multiplexing (TDM) through a hierarchy of digital signals and is implemented by:

1 Mark(s)

Your Answer:

radio stations radio stations
telephone companies telephone companies
television broadcasting companies television broadcasting companies
internet internet

What is the time complexity of binary search on a sorted array?

1 Mark(s)

Your Answer:

O(n log n) O(n log n)
O(n) O(n)
O(n2) O(n2)
O(log n) O(log n)

The JDBC Connection interface allows the automatic behavior to be turned on or off, by the method:

1 Mark(s)

Your Answer:

setAuto() setAuto()
setNoAuto() setNoAuto()
setAutoCommit() setAutoCommit()
setCommit() setCommit()

What is the purpose of the static member variable in C++?

1 Mark(s)

Your Answer:

To initialize objects of a class To initialize objects of a class
To define objects within a class To define objects within a class
To release resources acquired by the object
To maintain common data for all objects To maintain common data for all objects

What happens when a subclass tries to override a static method from the superclass in Java?

1 Mark(s)

Your Answer:

It overrides the method successfully It overrides the method successfully
The static method is hidden The static method is hidden
It results in a compilation error It results in a compilation error
The static method becomes final The static method becomes final

Command used to ask the browser to send latest version of page? Refresh

1 Mark(s)

Your Answer:

Browser Browser
View Update View Update
Refresh Refresh
None None

In which one of the following, the virtual machine simulates hardware, through which it can be independent of the underlying system hardware?

1 Mark(s)

Your Answer:

Para-virtualization Para-virtualization
Full virtualization Full virtualization
Emulation Emulation
None of the above None of the above

Which storage class is the default for local variables?

1 Mark(s)

Your Answer:

auto auto
static static
extern extern
register register

Which command is used to print the active document or selected items?

1 Mark(s)

Your Answer:

Ctrl + F Ctrl + F
Ctrl + P Ctrl + P
Shift + F Shift + F
Shift + P Shift + P

The relationship between a character in the plaintext to a character is:

1 Mark(s)

Your Answer:

many-to-one relationship many-to-one relationship
one-to-many relationship one-to-many relationship
many-to-many relationship many-to-many relationship
one-to-one relationship one-to-one relationship

23.2 kJ/Kg is the heat of fusion of:

1 Mark(s)

Your Answer:

Lead Lead
Water Water
Mercury Mercury
Copper Copper

Output of following program? Assume that the size of int is 4 bytes and size of double is 8 bytes, and there is no alignment done by the compiler. C #include<iostream> #include<stdlib.h> using namespace std; template<class T, class U, class V=double> class A { T x; U y; V z; static int count; }; int main() { A<int, int> a; A<double, double> b; cout << sizeof(a) << endl; cout << sizeof(b) << endl; return 0; }

1 Mark(s)

Your Answer:

8 16 8 16
20 28 20 28
Compiler Error: template parameters cannot have default values.

Which of the following refers to the sequence of pattern that occurs frequently?

1 Mark(s)

Your Answer:

Frequent sub-sequence Frequent sub-sequence
Frequent sub-structure Frequent sub-structure
Frequent sub-items Frequent sub-items
All of the above All of the above

Which of the following is a disadvantage of using separate chaining using linked lists?

1 Mark(s)

Your Answer:

It requires many pointers It requires many pointers
It requires linked lists It requires linked lists
It uses array It uses array
It does not resolve collision It does not resolve collision

Which of the following statements about constructor initialization lists in C++ is correct?

1 Mark(s)

Your Answer:

They cannot be used in constructors with default arguments
They can only be used in copy constructors
They can only be used for primitive data types
They must be used for initializing all members of a class

Complex Number Sum in Excel using?

1 Mark(s)

Your Answer:

SUM() SUM()
IMSUM() IMSUM()
COMPLEX() COMPLEX()
CONCAT() CONCAT()

Evaluating Your Answers

C++ Programming Mock Test 9 : Question 1 of 80