Kotlin Mock Test 8 - Online MCQ Exam

Each router of a network address has:

1 Mark(s)

Your Answer:

1 address 1 address
2 addresses 2 addresses
3 addresses 3 addresses
4 addresses 4 addresses

What is the function of the IF function in Excel?

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Your Answer:

To perform a logical test and return a value based on the result
To add up a range of cells To add up a range of cells
To find the average of a range of cells To find the average of a range of cells
To count the number of cells in a range To count the number of cells in a range

Processor that translates the source code into object code as a whole is called…

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Your Answer:

Assembler Assembler
Linker Linker
Compiler Compiler
Debugger Debugger

Name the method/methods used to read byte streams from the file?

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Your Answer:

ReadByte() ReadByte()
Read Read
Readkey() Readkey()
None of the mentioned None of the mentioned

What is the purpose of a step definition in Cucumber testing?

1 Mark(s)

Your Answer:

Provides a detailed report of test results
Describes the behavior of an application in plain text
Maps a step in a feature file to a block of code that implements that step
Specifies the requirements for a software feature

What is the maximum number of characters that can be held in the string variable char address line [40]?

1 Mark(s)

Your Answer:

38 38
39 39
40 40
41 41

Which data structure is used in a breadth-first traversal of a graph?

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Your Answer:

Stack Stack
Queue Queue
Array Array
Linked List Linked List

Which mode opens a file for writing, erasing previous content?

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Your Answer:

r r
w w
a a
r+ r+

Multi-processor system gives a:

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Your Answer:

Small system Small system
Tightly coupled system Tightly coupled system
loosely coupled system loosely coupled system
Macro system Macro system

What does the R function read.csv() do?

1 Mark(s)

Your Answer:

Print the CSV file Print the CSV file
Read data from a CSV file Read data from a CSV file
Create a CSV file Create a CSV file
Convert data to CSV format Convert data to CSV format

Which of the following are the negative health effects of noise pollution?

1 Mark(s)

Your Answer:

Hypertension Hypertension
Hearing loss Hearing loss
Stress and headache Stress and headache
All of the above All of the above

State the complexity of algorithm given below. int function(vector<int> arr) int len=arr.length(); if(len==0) return; temp=arr[len-1]; arr.pop_back(); return temp;

1 Mark(s)

Your Answer:

o(n) o(n)
O(logn) O(logn)
O(1) O(1)
O(n logn) O(n logn)

What is the difference between TCP and UDP in networking?

1 Mark(s)

Your Answer:

TCP provides reliable, connection-oriented communication, while UDP provides unreliable, connectionless communication
TCP provides unreliable, connectionless communication, while UDP provides reliable, connection-oriented communication
TCP is faster than UDP TCP is faster than UDP
UDP is more secure than TCP UDP is more secure than TCP

Twist coefficients are determined by cotton:

1 Mark(s)

Your Answer:

twist twist
strength strength
length length
characteristics characteristics

Space between 2+5 or 2 + 5 is valid but =begin and = begin is not valid.

1 Mark(s)

Your Answer:

True True
False False

Locator function gives output as . . . . . . . .

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Your Answer:

Matrix Matrix
Lists Lists
Vector Vector
Number Number

What is the result of the following code in C#: string[] fruits = {"Apple", "Banana", "Orange"}; Console.WriteLine(fruits[1]);

1 Mark(s)

Your Answer:

Apple Apple
Orange Orange
Error Error
Banana Banana

Bellmann Ford algorithm was first proposed by . . . . . . . .

1 Mark(s)

Your Answer:

Richard Bellmann Richard Bellmann
Alfonso Shimbe Alfonso Shimbe
Lester Ford Jr Lester Ford Jr
Edward F. Moore Edward F. Moore

In induced noise, the impairment is created by sources like:

1 Mark(s)

Your Answer:

motor & appliances motor & appliances
power lines power lines
the sending and receiving antenna the sending and receiving antenna
motion of electrons in wire motion of electrons in wire

Which of the following is not a type of computer's memory ROM?

1 Mark(s)

Your Answer:

PROM PROM
EPROM EPROM
EEPROM EEPROM
FPROM FPROM

What will be the output of the following Python code? str = raw_input("Enter your input: "); print "Received input is : ", str

1 Mark(s)

Your Answer:

Enter your input: Hello Python Received input is : Hello Python
Enter your input: Hello Python Received input is : Hello
Enter your input: Hello Python Received input is : Python
None of the mentioned None of the mentioned

In Excel which shortcut key is used to go to the formula tab?

1 Mark(s)

Your Answer:

Alt+M Alt+M
Ctrl+M Ctrl+M
Ctrl+C Ctrl+C
Ctrl+B Ctrl+B

Inverse operation of logarithm is:

1 Mark(s)

Your Answer:

expansion expansion
differentiation differentiation
integration integration
exponential exponential

Which is the handler method used to invoke when uncaught JavaScript exceptions occur?

1 Mark(s)

Your Answer:

Onhalt Onhalt
Onerror Onerror
Both onhalt and onerror Both onhalt and onerror
None of the mentioned None of the mentioned

Kafka is comparable to traditional messaging systems such as . . . . . . . .

1 Mark(s)

Your Answer:

Impala Impala
ActiveMQ ActiveMQ
BigTop BigTop
Zookeeper Zookeeper

The purpose of the flower is to attract insects for pollination and fertilization, so that they can build:

1 Mark(s)

Your Answer:

seeds seeds
cells cells
tissues tissues
roots roots

What will be the output of the following C# code snippet? { delegate void A(ref string str); class sample { public static void fun( ref string a) { a = a.Substring( 7, a.Length - 7); } } class Program { static void Main(string[] args) { A str1; string str = "Test Your C#.net skills"; str1 = sample.fun; str1(ref str); Console.WriteLine(str); } } }

1 Mark(s)

Your Answer:

Test Your Test Your
ur C#.NET ur C#.NET
ur C#.NET Skills ur C#.NET Skills
None of the mentioned None of the mentioned

What does this code do? Code: @media only screen and (orientation: landscape) { body { background-color: lightblue; } }

1 Mark(s)

Your Answer:

web page will have a lighblue background if the orientation is in landscape mode
web page will have a lighblue background if the orientation is not in landscape mode
web page will have a red background if the orientation is in landscape mode
None of the mentioned None of the mentioned

What will be the output of the following Java code? import java.io.*; class streams { public static void main(String[] args) { try { FileOutputStream fos = new FileOutputStream("serial"); ObjectOutputStream oos = new ObjectOutputStream(fos); oos.writeInt(5); oos.flush(); oos.close(); } catch(Exception e) { System.out.println("Serialization" + e); System.exit(0); } try { int z; FileInputStream fis = new FileInputStream("serial"); ObjectInputStream ois = new ObjectInputStream(fis); z = ois.readInt(); ois.close(); System.out.println(x); } catch (Exception e) { System.out.print("deserialization"); System.exit(0); } } }

1 Mark(s)

Your Answer:

5 5
void void
serialization serialization
deserialization deserialization

A pointer is a memory address. Suppose the pointer variable has p address 1000, and that p is declared to have type int*, and an int is 4 bytes long. What address is represented by expression p + 2?

1 Mark(s)

Your Answer:

1002 1002
1004 1004
1006 1006
1008 1008

What is the key difference between a complete binary tree and a full binary tree?

1 Mark(s)

Your Answer:

A complete binary tree is filled completely at all levels except possibly the last, while a full binary tree has all nodes with either 0 or 2 children.
A full binary tree is filled completely at all levels except possibly the last, while a complete binary tree has all nodes with either 0 or 2 children.
A complete binary tree has only one level, while a full binary tree has multiple levels.
There is no difference. There is no difference.

Choose the one that is not an ASP.net page event:

1 Mark(s)

Your Answer:

Init Init
load load
import import
invoke invoke

Kernel mode of operating system runs when the mode bit is:

1 Mark(s)

Your Answer:

1 1
0 0
x x
undefined undefined

What is the output of the given code? length=gets.chomp case length.length when length=4 print "length is 4" when length=5 print "length is 5" end

1 Mark(s)

Your Answer:

ruby length is 4 ruby length is 4
ruby length is 5 ruby length is 5
abc length is 4 abc length is 4
syntax error syntax error

What is the best definition of topology in networking?

1 Mark(s)

Your Answer:

The physical layout of connected devices
The speed of the network The speed of the network
The type of cables used The type of cables used
The software used for network management

In JSP, what is the role of the `` action?

1 Mark(s)

Your Answer:

To forward the request to another resource
To define JavaBean properties To define JavaBean properties
To execute SQL queries To execute SQL queries
To create JavaBeans To create JavaBeans

How do we declare an ‘interface’ class?

1 Mark(s)

Your Answer:

By making all the methods pure virtual in a class
By making all the methods abstract using the keyword ‘abstract’ in a class
By declaring the class as interface with the keyword ‘interface’
It is not possible to create interface class in C++

Which operator is used for logical NOT in Java?

1 Mark(s)

Your Answer:

! !
&& &&
|| ||
~ ~

______ is NOT a logical function. SUM, AND, OR, NOT

1 Mark(s)

Your Answer:

SUM SUM
AND AND
OR OR
NOT NOT

Which of the following has eccentricity of 0.0086?

1 Mark(s)

Your Answer:

Mercury Mercury
Neptune Neptune
Earth Earth
Mars Mars

What is the purpose of garbage collection?

1 Mark(s)

Your Answer:

Removes object with many reference Removes object with many reference
Removes object with reference Removes object with reference
Removes object with invalid reference Removes object with invalid reference
Removes object with no reference Removes object with no reference

Which of the following is not an action query?

1 Mark(s)

Your Answer:

add add
delete delete
make-table make-table
update update

HDFS supports the . . . . . . . . command to fetch Delegation Token and store it in a file on the local system.

1 Mark(s)

Your Answer:

fetdt fetdt
fetchdt fetchdt
fsk fsk
rec rec

The method of communication in which transmission takes place in both directions, but only one direction at a time is called

1 Mark(s)

Your Answer:

Simplex Simplex
Four wire circuit Four wire circuit
Full Duplex Full Duplex
Half Duplex Half Duplex

Multiple namespaces cannot be defined in the same file.

1 Mark(s)

Your Answer:

TRUE TRUE
FALSE FALSE

Given the pseudo code, state whether the function for merging of two heap is correct or not? mergeTree(p,q) if p.root.value <= q.root.value return p.addTree(q) else return q.addTree(p)

1 Mark(s)

Your Answer:

True True
False False

Which of the following is a technique used to detect conflicts between concurrent transactions?

1 Mark(s)

Your Answer:

Checkpointing Checkpointing
Deadlock detection Deadlock detection
Two-Phase Commit Two-Phase Commit
Write-Ahead Logging Write-Ahead Logging

In a computer, ISP stands for:

1 Mark(s)

Your Answer:

international service provider international service provider
internet service provider internet service provider
interlinked services provision interlinked services provision
intranet's service party intranet's service party

Most intimately involved program with the hardware is:

1 Mark(s)

Your Answer:

spreadsheet spreadsheet
operating system operating system
word processors word processors
compilers compilers

The mechanical breakdown of food is due to:

1 Mark(s)

Your Answer:

hydrochloric acid hydrochloric acid
pepsin pepsin
chewing chewing
peristalsis peristalsis

In cellular telephony, for forward and reverse communication, the system uses two separate:

1 Mark(s)

Your Answer:

digital signals digital signals
analog systems analog systems
digital data digital data
analog channels analog channels

What does the binmode method do in Ruby file I/O?

1 Mark(s)

Your Answer:

Sets the file mode to text mode Sets the file mode to text mode
Sets the file mode to read-only mode Sets the file mode to read-only mode
Sets the file mode to write-only mode Sets the file mode to write-only mode
Sets the file mode to binary mode Sets the file mode to binary mode

Which computer memory is used for storing programs and data currently being processed by the CPU?

1 Mark(s)

Your Answer:

Internal memory Internal memory
Mass memory Mass memory
Non-volatile memory Non-volatile memory
PROM Answer PROM Answer

String literal "\r"is used for:

1 Mark(s)

Your Answer:

Vertical tab Vertical tab
Horizontal tab Horizontal tab
Newline Newline
Carriage return Carriage return

What is the method used to access instance variables in Ruby?

1 Mark(s)

Your Answer:

Using accessor methods Using accessor methods
Using instance methods Using instance methods
Using class methods Using class methods
Using global variables Using global variables

In which of the following form the computer stores its data in memory?

1 Mark(s)

Your Answer:

Hexadecimal form Hexadecimal form
Octal form Octal form
Binary form Binary form
Decimal form Decimal form

Differential equations generally represent:

1 Mark(s)

Your Answer:

Dynamic system Dynamic system
Static system Static system
Continuous system Continuous system
Constant system Constant system

Electronic commerce is a process of:

1 Mark(s)

Your Answer:

sharing of business information sharing of business information
maintaining business relationship maintaining business relationship
conducting business transactions conducting business transactions
all of these all of these

How do you create a violin plot in ggplot2 for a numerical variable named values grouped by a factor variable group?

1 Mark(s)

Your Answer:

geom_violin(x = group, y = values) geom_violin(x = group, y = values)
geom_violin(mapping = aes(x = group, y = values))
violin_plot(group, values) violin_plot(group, values)
geom_violin(aes(x = group, y = values)) geom_violin(aes(x = group, y = values))

Automatic Reasoning tool is used in_____.

1 Mark(s)

Your Answer:

Personal Computers Personal Computers
Microcomputers Microcomputers
LISP Machines LISP Machines
All of the above All of the above

Which command will show you the summary of the NAT configuration?

1 Mark(s)

Your Answer:

show ip nat translations show ip nat translations
show ip nat statistics show ip nat statistics
debug ip nat debug ip nat
clear ip nat translations * clear ip nat translations *

Which of the following multiplexing technique shifts each signal to a different carrier frequency?

1 Mark(s)

Your Answer:

flow control flow control
timer timer
error solution error solution
flow specification flow specification

DVD Stands For:__________?

1 Mark(s)

Your Answer:

Digital Versatile Disk Digital Versatile Disk
Digital Versatile Drive Digital Versatile Drive
Digital volume disk Digital volume disk
Digital Video drive Digital Video drive

What does os.fchmod(fd, mode) do?

1 Mark(s)

Your Answer:

change permission bits of the file change permission bits of the file
change permission bits of the directory change permission bits of the directory
change permission bits of either the file or the directory
none of the mentioned none of the mentioned

Tendency of matter to change in shape, area, and volume in response to a change in a particular temperature is called:

1 Mark(s)

Your Answer:

nonlinear expansion nonlinear expansion
electrical expansion electrical expansion
thermal expansion thermal expansion
mechanical expansion mechanical expansion

The digital signals cannot be transmitted directly to the channel, when the channel is:

1 Mark(s)

Your Answer:

High-pass High-pass
Baseband Baseband
Bandpass Bandpass
Low-pass Low-pass

What does the Android system use for status data?

1 Mark(s)

Your Answer:

Content provider Content provider
Intents Intents
Network Network
None of these None of these

Which method is used to separate cream from milk?

1 Mark(s)

Your Answer:

A) Handpicking A) Handpicking
B) Sieving B) Sieving
C) Centrifugation C) Centrifugation
D) Magnetic separation D) Magnetic separation

Gemini is available in how many languages?

1 Mark(s)

Your Answer:

0 0
25 25
46 46
60 60

What is the purpose of the 'foreach' loop in C#?

1 Mark(s)

Your Answer:

Performs a conditional iteration Performs a conditional iteration
Terminates the loop Terminates the loop
Iterates over elements in a collection Iterates over elements in a collection
Executes a block of code repeatedly Executes a block of code repeatedly

In most database systems, schemas are also created automatically when:

1 Mark(s)

Your Answer:

Environment is created Environment is created
Catalog is created Catalog is created
Database is retrieved Database is retrieved
User accounts are created User accounts are created

Evaluating Your Answers

Kotlin Mock Test 8 : Question 1 of 71