JavaScript Mock Test 1 - Online MCQ Exam

What does the "out" keyword do in C# method parameters?

1 Mark(s)

Your Answer:

To pass parameters by reference To pass parameters by reference
To pass parameters by value To pass parameters by value
To indicate the return value To indicate the return value
To indicate an output parameter To indicate an output parameter

If M is the mass of object and R is radius, then rotational inertia of hoop about any diameter is:

1 Mark(s)

Your Answer:

2/5 MR2 2/5 MR2
2/3 MR2 2/3 MR2
2/3 MR2 2/3 MR2
1/2 MR2 1/2 MR2

Python uses ______ for block structure.

1 Mark(s)

Your Answer:

Indentation Indentation
Braces Braces
Keywords Keywords
Semicolons Semicolons

IP Spoofing involves:

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Your Answer:

Faking IP Faking IP
Stealing IP Stealing IP
Blocking IP Blocking IP
Encrypting IP Encrypting IP

What is the result of the expression 10 == 10 in C#?

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Your Answer:

FALSE FALSE
10 == 10 10 == 10
10 != 10 10 != 10
TRUE TRUE

Chalk consists of:

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Your Answer:

calcium calcium
carbon dioxide carbon dioxide
oxygen oxygen
all of them all of them

Which of the following is not the value for align attribute?

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Your Answer:

justify justify
char char
middle middle
left left

Which of the following is not the way of ensuring that even if the hardware fails, you will still be able to access your data in computer?

1 Mark(s)

Your Answer:

backup all data backup all data
run anti-virus software run anti-virus software
make sure data is password make sure data is password
store data on cloud storage store data on cloud storage

In which situation is it appropriate to use the Floyd-Warshall algorithm?

1 Mark(s)

Your Answer:

When the graph is sparse. When the graph is sparse.
When you need the shortest path between all pairs of nodes.
When the graph is directed only. When the graph is directed only.
When the graph is sparse. When the graph is sparse.

Given a pattern of length- 5 window, find the spurious hit in the given text string. Pattern: 3 1 4 1 5 Modulus: 13 Index: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Text: 2 3 5 9 0 2 3 1 4 1 5 2 6 7 3 9 9 2 1 3 9

1 Mark(s)

Your Answer:

6-10 6-10
12-16 12-16
3-7 3-7
13-17 13-17

What is the keyword used to exit a loop prematurely in C#?

1 Mark(s)

Your Answer:

stop stop
continue continue
break break
exit exit

Which of the following variable violates the definition of encapsulation?

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Your Answer:

Array variables Array variables
Local variables Local variables
Global variables Global variables
Public variables Public variables

Which of the following is not a diagram studied in Requirement Analysis ?

1 Mark(s)

Your Answer:

Use Cases Use Cases
Entity Relationship Diagram Entity Relationship Diagram
State Transition Diagram State Transition Diagram
Activity Diagram Activity Diagram

What is the purpose of the Hadoop MapReduce "Combiner Optimization" in advanced MapReduce?

1 Mark(s)

Your Answer:

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

What is the number of groups in the modern periodic table?

1 Mark(s)

Your Answer:

18 18
17 17
10 10
12 12

In a Red-Black tree, what is the color of the newly inserted node?

1 Mark(s)

Your Answer:

Black Black
Can be either red or black Can be either red or black
It varies based on the position It varies based on the position
Red Red

What is the scope of a variable declared inside a `if` block?

1 Mark(s)

Your Answer:

Global Global
Block/Local Block/Local
Function Function
File File

In the Internet model, the port numbers are:

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Your Answer:

16-bit integers 16-bit integers
18-bit integers 18-bit integers
20-bit integers 20-bit integers
22-bit integers 22-bit integers

What is the purpose of the trim() method of a String object in Java?

1 Mark(s)

Your Answer:

To remove all spaces from the string To remove all spaces from the string
To concatenate two strings To concatenate two strings
To extract a substring from the string To extract a substring from the string
To remove leading and trailing whitespace

What is the output of printf("%d", sizeof("Hello")); in C?

1 Mark(s)

Your Answer:

8 8
6 6
4 4
2 2

What is the purpose of the 'typedef' keyword in C++ structures?

1 Mark(s)

Your Answer:

To create a pointer to a structure To create a pointer to a structure
To initialize structure members To initialize structure members
To create an alias for a data type To create an alias for a data type
To define a new structure To define a new structure

The following syntax is also used for unless conditional statement. code unless conditional

1 Mark(s)

Your Answer:

True True
False False

The Core-Based Tree (CBT) is a:

1 Mark(s)

Your Answer:

Group Routing Tree Group Routing Tree
Group Shared Tree Group Shared Tree
Group Formed Tree Group Formed Tree
Group Protocol Tree Group Protocol Tree

Data analytics scripts are written in . . . . . . . .

1 Mark(s)

Your Answer:

Hive Hive
CQL CQL
PigLatin PigLatin
Java Java

What will be the output of the following PHP code ? <?php $x = 3, 4, 5, 6; echo "$x"; ?>

1 Mark(s)

Your Answer:

3 3
4 4
6 6
Error Error

The basic unit of computer storage is:

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Your Answer:

byte byte
nibble nibble
bit bit
word word

In differential equations, which represents physical quantities:

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Your Answer:

functions functions
derivatives derivatives
equations equations
time time

In a bus topology, the device linking all the nodes in a network is:

1 Mark(s)

Your Answer:

router router
drop line drop line
backbone backbone
hub hub

Raman spectroscopy has become an important tool for studying fibre structure because of the:

1 Mark(s)

Your Answer:

Raman spectroscope Raman spectroscope
Raman microscope Raman microscope
Raman machine Raman machine
Raman electroscope Raman electroscope

Consider the following code snippet function printArray(a) { var len = a.length, i = 0; if (len == 0) console.log("Empty Array"); else { do { console.log(a[i]); } while (++i len); } }

1 Mark(s)

Your Answer:

Prints the numbers in the array in order
Prints the numbers in the array in the reverse order
Prints 0 to the length of the array Prints 0 to the length of the array
Prints “Empty Array” Prints “Empty Array”

No two attributes of the same entity type should have the same name.

1 Mark(s)

Your Answer:

True True
False False

Which cable type supports the longest transmission distance?

1 Mark(s)

Your Answer:

Coaxial Coaxial
Cat5e Cat5e
Cat6 Cat6
Single-mode Fiber Single-mode Fiber

Which testing is an integration testing approach that is commonly used when “shrink-wrapped” software products are being developed ?

1 Mark(s)

Your Answer:

Regression Testing Regression Testing
Integration testing Integration testing
Smoke testing Smoke testing
Validation testing Validation testing

Determine Output: void main() { char p[]="%dn"; p[1] = 'c'; printf(p, 65); }

1 Mark(s)

Your Answer:

65 65
c c
A A
Error Error

A host or router can join a group by sending a:

1 Mark(s)

Your Answer:

initiative report initiative report
joining report joining report
membership report message membership report message
membership leave report membership leave report

Printer which uses temperature variations to achieve different colors is:

1 Mark(s)

Your Answer:

dye-sublimation dye-sublimation
thermal-wax thermal-wax
laser laser
inkjet inkjet

Which method is used to obtain the “drawing context” object ?

1 Mark(s)

Your Answer:

getContext() getContext()
getObject() getObject()
get() get()
getDrawing() getDrawing()

The latest HTML standard is …

1 Mark(s)

Your Answer:

XML XML
SGML SGML
HTML 4.0 HTML 4.0
HTML 5.0 HTML 5.0

If particle travels around a circle or a circular arc at constant speed, it's motion is termed as:

1 Mark(s)

Your Answer:

distributive circular motion distributive circular motion
variable circular motion variable circular motion
uniform linear motion uniform linear motion
uniform circular motion uniform circular motion

Which of the following is used for spread radius?

1 Mark(s)

Your Answer:

blur blur
spread spread
color color
v-offset v-offset

Which installation strategy is a variation on the abrupt and parallel conversion ?

1 Mark(s)

Your Answer:

location conversion location conversion
staged conversion staged conversion
partial conversion partial conversion
hierarchical conversion hierarchical conversion

Which key word is used to include namespaces in a program:

1 Mark(s)

Your Answer:

include include
using using
import import
invoke invoke

Which tool is commonly used for documenting Ruby code?

1 Mark(s)

Your Answer:

DocuRuby DocuRuby
RubyDoc RubyDoc
RDoc RDoc
YARD (Yet Another Ruby Documentation Tool)

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JavaScript Mock Test 1 : Question 1 of 43