GATE Mock Test 13 - Online MCQ Exam

The type that cannot be used as a data type for an enum in C#.NET is:

1 Mark(s)

Your Answer:

short type short type
double double
int int
float float

If $3^{x+1} = 81$, find $x$

1 Mark(s)

Your Answer:

2 2
3 3
4 4
5 5

CloseHandle() call function in windows operating system is a UNIX's function called for:

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Your Answer:

fork() fork()
open() open()
read() read()
close() close()

In object oriented language rather than other programming languages, program's data:

1 Mark(s)

Your Answer:

can access directly can access directly
can't access directly can't access directly
can't call can't call
can't declare can't declare

Assertion (A) One lakh is written as 1,00,000 in the Indian system. Reason (R) In the Indian system, commas are placed after every three digits from right to left.

1 Mark(s)

Your Answer:

A) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
B) Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
C) Assertion is true but Reason is false.
D) Assertion is false but Reason is true.

In the LAN Emulation (LANE), multicasting and broadcasting require the use of another server, known as:

1 Mark(s)

Your Answer:

BUS BUS
LES LES
LANE LANE
LEC LEC

For a binary tree the first node visited in in-order and post-order traversal is same.

1 Mark(s)

Your Answer:

True True
False False

Institute of Electrical and Electronics Engineers (IEEE) 802.11 have three categories of:

1 Mark(s)

Your Answer:

frames frames
fields fields
signals signals
sequences sequences

Which radiation is mainly responsible for photosynthesis?

1 Mark(s)

Your Answer:

A) UV rays A) UV rays
B) Gamma rays B) Gamma rays
C) Visible light from the Sun C) Visible light from the Sun
D) X-rays D) X-rays

The system in which the angles are measured in radians is called:

1 Mark(s)

Your Answer:

CGS system CGS system
MKS system MKS system
circular system circular system
sexagesimal system sexagesimal system

To prevent lightning from damaging tall buildings, we use:

1 Mark(s)

Your Answer:

lightning conductors lightning conductors
lightning capacitors lightning capacitors
lightning insulators lightning insulators
lightning gases lightning gases

What type of virus uses computer hosts to reproduce itself?

1 Mark(s)

Your Answer:

Time bomb Time bomb
Worm Worm
Melissa virus Melissa virus
Macro virus Macro virus

In File Transfer Protocol (FTP), the data connection is opened and then closed for each:

1 Mark(s)

Your Answer:

file opened file opened
file altered file altered
file closed file closed
file transferred file transferred

Why Drop Caps are used in documents in MS Word?

1 Mark(s)

Your Answer:

To begin a paragraph with a large dropped initial capital letter
To drop all the capital letters To drop all the capital letters
To automatically begin each paragraph with capital letter
None of above None of above

What is the result of the expression "Java".replace("a", "o") in Java?

1 Mark(s)

Your Answer:

"Jovo" "Jovo"
"Java" "Java"
"Jova" "Jova"
None of These None of These

Which class is used to represent a compiled regular expression in Java?

1 Mark(s)

Your Answer:

`Pattern` `Pattern`
`Matcher` `Matcher`
`Regex` `Regex`
`String` `String`

ChatGPT.com launched on which date?

1 Mark(s)

Your Answer:

November 1, 2022 November 1, 2022
November 30, 2022 November 30, 2022
December 15, 2022 December 15, 2022
January 1, 2023 January 1, 2023

In Java, can a subclass override a protected method from its superclass?

1 Mark(s)

Your Answer:

Yes, regardless of the package Yes, regardless of the package
No, protected methods cannot be overridden
No, protected methods are private No, protected methods are private
Yes, as long as it's in the same package

Text-styling feature of MS word is?

1 Mark(s)

Your Answer:

Word Color Word Color
Word Font Word Font
Word Art Word Art
Word Fill Word Fill

The correct set of observations for a mixture of iron and sulphur is: Nature of the mixture Effect of moving a magnet in the mixture Shaking with carbon disulphide

1 Mark(s)

Your Answer:

A) Homogeneous Nothing will happen Sulphur will dissolve.
B) Heterogeneous Iron filings will stick Sulphur will dissolve.
C) Heterogeneous Iron filings will stick The mixture will not dissolve
D) Heterogeneous Both iron filings and sulphur will stick Sulphur will dissolve. The mixture will not dissolve

What is the primary purpose of the else keyword in Ruby exception handling?

1 Mark(s)

Your Answer:

To manually raise an exception To manually raise an exception
To execute code when no exceptions are raised
To begin an exception handling block To begin an exception handling block
None of the above None of the above

Which loop is known for its post-checking condition?

1 Mark(s)

Your Answer:

For Loop For Loop
While Loop While Loop
Do-While Loop Do-While Loop
Infinite Loop Infinite Loop

Which technique is applicable when other projects in the same analogy application domain have been completed ?

1 Mark(s)

Your Answer:

Algorithmic cost modelling Algorithmic cost modelling
Expert judgement Expert judgement
Estimation by analogy Estimation by analogy
Parkinson’s Law Parkinson’s Law

What will be the reaction when a catch clause has no conditionals ?

1 Mark(s)

Your Answer:

Takes it to be 0 Takes it to be 0
Takes it to be 1 Takes it to be 1
Takes it to be true Takes it to be true
Takes it to be false Takes it to be false

Each margin is considered to have a number of . . . . . . . .

1 Mark(s)

Your Answer:

Test Test
Text lines Text lines
Line segment Line segment
Margins Margins

In C#, what happens if you attempt to read from a file that does not exist using File.OpenRead() method?

1 Mark(s)

Your Answer:

FileNotFoundException is thrown FileNotFoundException is thrown
DirectoryNotFoundException is thrown DirectoryNotFoundException is thrown
FileLoadException is thrown FileLoadException is thrown
IOException is thrown IOException is thrown

Which of the following is not a valid identifier for a Java variable?

1 Mark(s)

Your Answer:

my_var my_var
_myVar _myVar
3rdVar 3rdVar
$var $var

Sanity testing is a ------?

1 Mark(s)

Your Answer:

Test type Test type
Test Execution Level Test Execution Level
Test Level Test Level
Test design technique Test design technique

What was the name of the first commercially available microprocessor chip

1 Mark(s)

Your Answer:

Intel 8008 Intel 8008
Intel 8080 Intel 8080
Intel 4004 Intel 4004
Motorola 6809 Motorola 6809

Encryption converts Plaintext into:

1 Mark(s)

Your Answer:

Text Text
Ciphertext Ciphertext
Code Code
Hash Hash

In C# a class member declared protected becomes member of subclass of type:

1 Mark(s)

Your Answer:

public member public member
private member private member
protected member protected member
static member static member

A device which is used to connect two computers via an ordinary telephone line is:

1 Mark(s)

Your Answer:

Ethernet card Ethernet card
graphic card graphic card
modem modem
spend card spend card

In C, what is a function's prototype?

1 Mark(s)

Your Answer:

A function's name and return type A function's name and return type
A declaration that specifies a function's name and parameters
A function's documentation A function's documentation
A function's source code A function's source code

Center of the mass of a closed, isolated system of two colliding bodies is not effected by:

1 Mark(s)

Your Answer:

external force external force
impulse impulse
momentum momentum
collision collision

The displacement of a particle is $x = 3 \sin(2t) + 4 \cos(2t)$. The amplitude is:

1 Mark(s)

Your Answer:

7 7
5 5
1 1
12 12

The tension in the string connecting two blocks of masses $m$ and $2m$ placed on a frictionless surface and pulled by a force $F$ on $2m$ is:

1 Mark(s)

Your Answer:

$F/3$ $F/3$
$F/2$ $F/2$
$2F/3$ $2F/3$
$F$ $F$

Short cut key to saving any document in MS Office is?

1 Mark(s)

Your Answer:

Ctrl+S Ctrl+S
Ctrl+V Ctrl+V
Ctrl+C Ctrl+C
None of these None of these

Which of the following runs the JavaScript code?

1 Mark(s)

Your Answer:

Just In Time compiler Just In Time compiler
JavaScript Interpreter JavaScript Interpreter
Both Just In Time compiler and JavaScript Interpreter
None of the mentioned None of the mentioned

In the virtual appliance, the content can be _____.

1 Mark(s)

Your Answer:

structured structured
unstructured unstructured
Both A and B Both A and B
None of the above None of the above

When the Breadth First Search of a graph is unique?

1 Mark(s)

Your Answer:

When the graph is a Binary Tree When the graph is a Binary Tree
When the graph is a Linked List When the graph is a Linked List
When the graph is a n-ary Tree When the graph is a n-ary Tree
When the graph is a Ternary Tree When the graph is a Ternary Tree

Microorganisms also help in production of food like:

1 Mark(s)

Your Answer:

bread bread
fruits and seeds fruits and seeds
vegetables vegetables
pulses pulses

For the following structure declaration, find the correct statement. struct person{ char name[20]; int age; struct person lady; };

1 Mark(s)

Your Answer:

Is a valid nested structure. Is a valid nested structure.
Uses an invalid data type. Uses an invalid data type.
Is a self referential structure. Is a self referential structure.
Is not a valid nested structure. Is not a valid nested structure.
Is a self referential structure with invalid data type.

Which of the following shortcut key is used to change the case of the selected text?

1 Mark(s)

Your Answer:

Shift + F3 Shift + F3
Shift + F1 Shift + F1
Shift + F2 Shift + F2
None of the above None of the above

A SQL statement comprising a logical entity is called:

1 Mark(s)

Your Answer:

Database object Database object
Database operation Database operation
Database definition Database definition
Database declaration Database declaration

A simple parity-check code can detect:

1 Mark(s)

Your Answer:

odd number of errors odd number of errors
even number of errors even number of errors
positive number of errors positive number of errors
negative number of errors negative number of errors

Let A and B be objects of class Foo. Which functions are called when print(A + B) is executed?

1 Mark(s)

Your Answer:

__add__(), __str__() __add__(), __str__()
__str__(), __add__() __str__(), __add__()
__sum__(), __str__() __sum__(), __str__()
__str__(), __sum__() __str__(), __sum__()

What is the replacement for cookies in HTML5?

1 Mark(s)

Your Answer:

Web beacons Web beacons
Java scripts Java scripts
Local Storage Local Storage
All the above All the above

Resolution of slides can be set in?

1 Mark(s)

Your Answer:

Design tab Design tab
Home tab Home tab
Slide show tab Slide show tab
None of these None of these

Determine Output: void main() { char far *farther, *farthest; printf("%d..%d", sizeof(farther), sizeof(farthest)); }

1 Mark(s)

Your Answer:

4..2 4..2
2..2 2..2
4..4 4..4
2..4 2..4

Read the following given program of C++ and predict the most appropriate output of the program? #include usingnamespacestd; intmain() { intx = 10; int& ref= x; ref= 20; cout<< "x = "<< x <

1 Mark(s)

Your Answer:

x=20 ref=30 x=20 ref=30
x=20 ref=20 x=20 ref=20
x=10 ref= 30 x=10 ref= 30
x= 30 ref=30 x= 30 ref=30

The area of a rectangle with length \$45$ cm and width \$10$ cm is:

1 Mark(s)

Your Answer:

430 cm² 430 cm²
440 cm² 440 cm²
450 cm² 450 cm²
460 cm² 460 cm²

Evaluating Your Answers

GATE Mock Test 13 : Question 1 of 51