Software Engineering Mock Test 1

How many times will a 'do-while' loop execute its body if the condition is initially false in C?

1 Mark(s)

Your Answer:

0 times 0 times
1 time 1 time
Infinite times Infinite times
It depends on the loop body It depends on the loop body

SQL provides large-object data types for:

1 Mark(s)

Your Answer:

Character data Character data
Binary data Binary data
Numeric data Numeric data
Both A and B Both A and B

What is the stack's behavior when it's described as LIFO?

1 Mark(s)

Your Answer:

Last In First Out Last In First Out
Last In Last Out Last In Last Out
First In First Out First In First Out
First In Last Out First In Last Out

Line coding converts a sequence of:

1 Mark(s)

Your Answer:

frames to digital signal frames to digital signal
bits to a digital signal bits to a digital signal
bytes to digital signal bytes to digital signal
packets of data to digital signals packets of data to digital signals

If ASCII value of 'x' is 120, then what is the value of the H, if H = ('x' – 'w' ) / 3;

1 Mark(s)

Your Answer:

1 1
2 2
3 3
4 4
0 0

Determine output: public class Test{ int a = 10; public void method(int a){ a += 1; System.out.println(++a); } public static void main(String args[]){ Test t = new Test(); t.method(3); } }

1 Mark(s)

Your Answer:

4 4
5 5
12 12
11 11
None of these None of these

In which year was the Python 3.0 version developed?

1 Mark(s)

Your Answer:

2008 2008
2000 2000
2010 2010
2005 2005

A durable transaction is one in which all committed changes are permanent.

1 Mark(s)

Your Answer:

True True
False False

What will be the output of the following C# code? static void Main(string[] args) { int i = -10; for ( ;Convert.ToBoolean(Convert.ToInt32(i)) ;Console.WriteLine(i++)) ; Console.ReadLine(); }

1 Mark(s)

Your Answer:

-9 -8 -7 -6 -5 -4 -3 -2 -1 -9 -8 -7 -6 -5 -4 -3 -2 -1
-10 -9 -8 -7 -6 -5 -4 -3 -2 -10 -9 -8 -7 -6 -5 -4 -3 -2
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1
-8 -7 -6 -5 -4 -3 -2 -1 -8 -7 -6 -5 -4 -3 -2 -1

What is the purpose of the property PerformanceTiming.navigationStart?

1 Mark(s)

Your Answer:

Ready to end the navigation Ready to end the navigation
Ready to jump the navigation Ready to jump the navigation
Ready for navigation Ready for navigation
None of the mentioned None of the mentioned

Name given to something that the computer can automatically use unless you tell it otherwise is:

1 Mark(s)

Your Answer:

a specification a specification
a wildcard a wildcard
a default a default
a rule a rule

Who developed object-oriented programming?

1 Mark(s)

Your Answer:

Adele Goldberg Adele Goldberg
Dennis Ritchie Dennis Ritchie
Alan Kay Alan Kay
Andrea Ferro Andrea Ferro

Which of the following specifies header text of popover?

1 Mark(s)

Your Answer:

title title
trigger trigger
selector selector
placement placement

What will be the output of the following C# code snippet? static void Main(string[] args) { String a ="i love iostream"; Console.WriteLine(a.IndexOf('i') + " " + a.IndexOf('e') + " " + a.LastIndexOf('i') + " " + a.LastIndexOf('e')); Console.ReadLine(); }

1 Mark(s)

Your Answer:

0 6 7 8 0 6 7 8
0 5 7 9 0 5 7 9
5 9 0 7 5 9 0 7
0 5 7 12 0 5 7 12

Which of the following is an advantage of XOR list?

1 Mark(s)

Your Answer:

Almost of debugging tools cannot follow the XOR chain, making debugging difficult
You need to remember the address of the previously accessed node in order to calculate the next node's address
In some contexts XOR of pointers is not defined
XOR list decreases the space requirement in doubly linked list

Which HTTP method is typically used to create a new session in Java web applications?

1 Mark(s)

Your Answer:

`SESSION` `SESSION`
`PUT` `PUT`
`GET` `GET`
`POST` `POST`

In multiplexing, channels are separated by unused strips of bandwidth guard bands to prevent:

1 Mark(s)

Your Answer:

synchronization synchronization
overlapping overlapping
random motion of electrons random motion of electrons
asynchronous TDM asynchronous TDM

If net external torque acting on a system is zero, angular momentum of the system will:

1 Mark(s)

Your Answer:

become zero become zero
become infinite become infinite
become constant become constant
randomly change randomly change

Change Arrow to pen in PowerPoint during Presentation:

1 Mark(s)

Your Answer:

Ctrl+ P Ctrl+ P
Ctrl+ A Ctrl+ A
Ctrl+ E Ctrl+ E
Ctrl+S Ctrl+S
None of these None of these

To define a style for a special type of elements, we can add a:

1 Mark(s)

Your Answer:

Class Class
Margin Margin
Border Border
Table Table

What number would be shown on the screen after the following statements of C are executed? char ch; int i; ch = 'G'; i = ch-'A'; printf("%d", i);

1 Mark(s)

Your Answer:

5 5
6 6
7 7
8 8
9 9

Which one of the following function is capable of reading a file into an array?

1 Mark(s)

Your Answer:

file() file()
arrfile() arrfile()
arr_file() arr_file()
file_arr() file_arr()

Determine output: class A{ public void printValue(){ System.out.println("Value-A"); } } class B extends A{ public void printNameB(){ System.out.println("Name-B"); } } class C extends A{ public void printNameC(){ System.out.println("Name-C"); } } public class Test{ public static void main (String[] args){ B b = new B(); C c = new C(); newPrint(b); newPrint(c); } public static void newPrint(A a){ a.printValue(); } }

1 Mark(s)

Your Answer:

Value-A Name-B Value-A Name-B
Value-A Value-A Value-A Value-A
Value-A Name-C Value-A Name-C
Name-B Name-C Name-B Name-C
None of these None of these

For point to point analog signaling, a bandwidth of up to about _________ is possible.

1 Mark(s)

Your Answer:

2 MHz 2 MHz
1 MHz 1 MHz
4 MHz 4 MHz
3 MHz 3 MHz

What is the value stored in sys.argv[0]?

1 Mark(s)

Your Answer:

null null
you cannot access it you cannot access it
the program's name the program's name
the first argument the first argument

A multidimensional database model is used most often in which of the following models?

1 Mark(s)

Your Answer:

Data warehouse Data warehouse
Relational Relational
Hierarchical Hierarchical
Network Network

: The statement that can only be used inside the body of a loop is…

1 Mark(s)

Your Answer:

If If
Break Break
Continue Continue
Switch Switch

The example '%Comp%' matches any string:

1 Mark(s)

Your Answer:

Starting with 'Comp' Starting with 'Comp'
Ending with 'Comp' Ending with 'Comp'
Substring of 'Comp' Substring of 'Comp'
Containing 'Comp' only Containing 'Comp' only

Diskette spin at about:

1 Mark(s)

Your Answer:

3 revolutions per minute 3 revolutions per minute
30 revolutions per minute 30 revolutions per minute
300 revolutions per minute 300 revolutions per minute
3000 revolutions per minute 3000 revolutions per minute

Cause-and-effect analysis is performed in the following phase of systems analysis________________?

1 Mark(s)

Your Answer:

scope definition phase scope definition phase
logical design phase logical design phase
requirements analysis phase requirements analysis phase
problem analysis phase problem analysis phase

The standard font determines the width of the text lines in the . . . . . . . .

1 Mark(s)

Your Answer:

Function Function
Package Package
Library Library
Margin Margin

What is the purpose of the dygraphs package in R?

1 Mark(s)

Your Answer:

Interactive visualization of time series data
Bayesian data analysis Bayesian data analysis
Natural language processing (NLP) Natural language processing (NLP)
Statistical hypothesis testing Statistical hypothesis testing

In simple chaining, what data structure is appropriate?

1 Mark(s)

Your Answer:

Singly linked list Singly linked list
Doubly linked list Doubly linked list
Circular linked list Circular linked list
Binary trees Binary trees

Which function is used to change the size of an allocated block of memory in C?

1 Mark(s)

Your Answer:

resize() resize()
realloc() realloc()
modify() modify()
change() change()

A program either talk or music, that is made available in digital format for automatic download over the internet is called:?

1 Mark(s)

Your Answer:

Wiki Wiki
Blog Blog
Broadcast Broadcast
Podcast Answer Podcast Answer

Heat of vaporization of Lead is:

1 Mark(s)

Your Answer:

1858k J/Kg 1858k J/Kg
2336 kJ/Kg 2336 kJ/Kg
858 kJ/Kg 858 kJ/Kg
2256 kJ/Kg 2256 kJ/Kg

Function pointers are mainly used for

1 Mark(s)

Your Answer:

Callback functions Callback functions
Event-driven programs Event-driven programs
Jump tables Jump tables
All of the above All of the above

A single channel is shared by multiple signals by _____________________?

1 Mark(s)

Your Answer:

analog modulation analog modulation
digital modulation digital modulation
multiplexing multiplexing
none of these none of these

Which tool is commonly used for continuous integration (CI) in Ruby projects?

1 Mark(s)

Your Answer:

Jenkins Jenkins
CircleCI CircleCI
GitLab CI GitLab CI
Travis CI Travis CI

What does the function re.match do?

1 Mark(s)

Your Answer:

matches a pattern at the start of the string
matches a pattern at any position in the string
such a function does not exist such a function does not exist
none of the mentioned none of the mentioned

What will be the output of the following PHP code? <?php $a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow"); $a2 = array("e" => "red", "f" => "green", "g" => "blue", "h" => "orange"); $a3 = array("i" => "orange"); $a4 = array_combine($a2, $a3); $result = array_diff($a4, $a2); print_r($result); ?>

1 Mark(s)

Your Answer:

Array ( [d] => yellow ) Array ( [d] => yellow )
Array ( [i] => orange ) Array ( [i] => orange )
Array ( [h] => orange ) Array ( [h] => orange )
Array ( [d] => yellow [h] => orange ) Array ( [d] => yellow [h] => orange )

A non-periodic signal has changed to a periodic signal with the period equal to:

1 Mark(s)

Your Answer:

2 times the bit duration 2 times the bit duration
4 times the bit duration 4 times the bit duration
8 times the bit duration 8 times the bit duration
12 times the bit duration 12 times the bit duration

Which of the following is the hottest planet of the solar system?

1 Mark(s)

Your Answer:

Venus Venus
Mercury Mercury
Jupiter Jupiter
Uranus Uranus

Nitrogen is obtained from the fractional distillation of liquefied air at about:

1 Mark(s)

Your Answer:

196 °C 196 °C
186 °C 186 °C
176 °C 176 °C
166 °C 166 °C

Which command loads a new version of the Cisco IOS into a router?

1 Mark(s)

Your Answer:

copy flash ftp copy flash ftp
copy ftp flash copy ftp flash
copy flash tftp copy flash tftp
copy tftp flash copy tftp flash

Computer operation in which binary word stored in a specific memory location is sensed then transferred to another location is known as:

1 Mark(s)

Your Answer:

write operation write operation
read and write operation read and write operation
read operation read operation
access operation access operation

How many arguments are required by the predefined function rotate() in C++?

1 Mark(s)

Your Answer:

1 1
2 2
3 3
4 4

The boolean operator && only result in true when both the values are true?

1 Mark(s)

Your Answer:

True True
False False

Which of the following model will be preferred by a company that is planning to deploy an advanced version of the existing software in the market?

1 Mark(s)

Your Answer:

Spiral Spiral
Iterative Enhancement Iterative Enhancement
RAD RAD
Both (b) and (c) Both (b) and (c)

How do you access the first element of an array arr in C?

1 Mark(s)

Your Answer:

arr[1] arr[1]
arr[0] arr[0]
arr[2] arr[2]
arr[10] arr[10]

The building block of an OOP application is a/an:

1 Mark(s)

Your Answer:

constructor constructor
objects objects
functions functions
entity entity

The dotted-decimal notation of 10000001 00001011 00001011 11101111 would be:

1 Mark(s)

Your Answer:

193.131.27.255 193.131.27.255
129.11.11.239 129.11.11.239
192.168.10.9 192.168.10.9
172.16.11.3 172.16.11.3

Which command is used to update all installed gems to their latest versions in Ruby?

1 Mark(s)

Your Answer:

upgrade gems upgrade gems
gem upgrade gem upgrade
update gems update gems
gem update gem update

Symmetric multiprocessing in the computer system does not use:

1 Mark(s)

Your Answer:

master relationship master relationship
slave relationship slave relationship
master slave relationship master slave relationship
serial processing serial processing

How can we make a C++ class such that objects of it can only be created using new operator? If user tries to create an object directly, the program produces compiler error.

1 Mark(s)

Your Answer:

Not possible Not possible
By making constructor private By making constructor private
By making both constructor and destructor private

Easy installation is the main advantage of:

1 Mark(s)

Your Answer:

Ring topology Ring topology
Bus topology Bus topology
Mesh topology Mesh topology
Star topology Star topology

What is the primary use of a priority queue in graph algorithms?

1 Mark(s)

Your Answer:

To store all vertices of the graph. To store all vertices of the graph.
To keep track of the visited nodes. To keep track of the visited nodes.
To efficiently manage and retrieve the minimum or maximum element.
To represent the adjacency matrix. To represent the adjacency matrix.

Is It possible to inspect the source code of R?

1 Mark(s)

Your Answer:

Yes Yes
No No
Can't say Can't say
Some times Some times

To remove the content of selected cells you must issue ______ command

1 Mark(s)

Your Answer:

Delete Delete
Clear Contents Clear Contents
Clear All Clear All
Clear Delete Clear Delete

Which function is used in C++ to get the current position of file pointer in a file?

1 Mark(s)

Your Answer:

tell_p() tell_p()
get_pos() get_pos()
get_p() get_p()
tell_pos() tell_pos()

In help menu of Excel, which of the following tabs are found?

1 Mark(s)

Your Answer:

Contents tab Contents tab
Answer Wizard tab Answer Wizard tab
Index tab Index tab
all of the above all of the above

In congestion, CBR stands for:

1 Mark(s)

Your Answer:

Control Bit Rate Control Bit Rate
Constant Bit Rate Constant Bit Rate
Constant Byte Rate Constant Byte Rate
Congestion Byte Rate Congestion Byte Rate

Circumference of circle is equals to:

1 Mark(s)

Your Answer:

2π 2π
2πr 2πr
2r 2r
2πr2 2πr2

What will be the output of the following C# code? public class Generic<T> { public T Field; } class Program { static void Main(string[] args) { Generic<int> g2 = new Generic<int>(); Generic<int> g3 = new Generic<int>(); g2.Field = 8; g3.Field = 4; if (g2.Field % g3.Field == 0) { Console.WriteLine("A"); } else Console.WriteLine("Prints nothing:"); Console.ReadLine(); } }

1 Mark(s)

Your Answer:

Compile time error Compile time error
A A
Run time error Run time error
Code runs successfully but prints nothing

Study the following code: x = ['XX', 'YY'] for i in a: i.lower() print(a) What will be the output of this program? ``` x = ['XX', 'YY'] for i in a: i.lower() print(a) ```

1 Mark(s)

Your Answer:

['XX', 'YY'] ['XX', 'YY']
['xx', 'yy'] ['xx', 'yy']
[XX, yy] [XX, yy]
None of these None of these

How do you convert a string to lowercase in Java?

1 Mark(s)

Your Answer:

str.toLower() str.toLower()
str.toLowerCase() str.toLowerCase()
str.convertToLower() str.convertToLower()
str.makeLowerCase() str.makeLowerCase()

What does the deque class in Python's collections module provide?

1 Mark(s)

Your Answer:

A double-ended queue. A double-ended queue.
A dictionary with default values. A dictionary with default values.
A list with unique elements. A list with unique elements.
An ordered set. An ordered set.

Which of the following is not a property of Dijkstra's algorithm?

1 Mark(s)

Your Answer:

It finds the shortest path from a single source.
It works efficiently with a priority queue.
It requires a graph to be connected. It requires a graph to be connected.
It can handle negative weight edges. It can handle negative weight edges.

. . . . . . . . is used when you want the sink to be the input source for another operation.

1 Mark(s)

Your Answer:

Collector Tier Event Collector Tier Event
Agent Tier Event Agent Tier Event
Basic Basic
All of the mentioned All of the mentioned

Why are HTTP redirects significant?

1 Mark(s)

Your Answer:

TCP connection available TCP connection available
Complete roundtrip absent Complete roundtrip absent
Complete roundtrip present Complete roundtrip present
None of the mentioned None of the mentioned

Multicast Open Shortest Path First (MOSPF) protocol is an extension of the:

1 Mark(s)

Your Answer:

ISP ISP
BGP Protocol BGP Protocol
RIP Protocol RIP Protocol
OSPF protocol OSPF protocol

Which of the following circuit convert the binary data into a decimal?

1 Mark(s)

Your Answer:

Decoder Decoder
Encoder Encoder
Code converter Code converter
Multiplexer Multiplexer

System.out.println(num); will display:

1 Mark(s)

Your Answer:

any number any number
value of variable num value of variable num
name of variable name of variable
type of variable type of variable

Which of the following is a category of a stimuli ?

1 Mark(s)

Your Answer:

Periodic stimuli Periodic stimuli
Software stimuli Software stimuli
Hardware stimuli Hardware stimuli
Management stimuli Management stimuli

Which of the following are ways to benchmark code?

1 Mark(s)

Your Answer:

Timing the code Timing the code
Calculating the number of operations performed
Timing the code & Calculating the number of operations performed
None of the mentioned None of the mentioned

If we multiply a vector A with scalar s, new vector direction will be:

1 Mark(s)

Your Answer:

positive positive
negative negative
opposite of vector A opposite of vector A
same as vector A same as vector A

Which term is not used by internet ?

1 Mark(s)

Your Answer:

IP IP
HTTP HTTP
TCP TCP
BSNL BSNL

Which data type is used to store floating-point numbers with single precision in Java?

1 Mark(s)

Your Answer:

float float
double double
decimal decimal
real real

Evaluating Your Answers

Software Engineering Mock Test 1 : Question 1 of 78