GATE Mock Test 3 - Online MCQ Exam

When you select this control, its associated text control is also selected and the two controls will act as one when manipulated.

1 Mark(s)

Your Answer:

Text Text
Form Form
Label Label
Field Field

The prefix 'micro' stands for:

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Your Answer:

$10^{-3}$ $10^{-3}$
$10^{-9}$ $10^{-9}$
$10^{-6}$ $10^{-6}$
$10^{-12}$ $10^{-12}$

In Ruby, what does the `capitalize` method do when used with strings?

1 Mark(s)

Your Answer:

Converts the first character to uppercase
Converts the entire string to uppercase Converts the entire string to uppercase
Converts the first character to lowercase
Converts the entire string to lowercase Converts the entire string to lowercase

If the volumes of two cubes are in the ratio 8: 1, the ratio of their edges is_________?

1 Mark(s)

Your Answer:

8: 1 8: 1
2√2 : 1 2√2 : 1
2 : 1 2 : 1
None of these None of these

Which of the following HTML 4 attributes is removed in HTML5?

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Your Answer:

text text
rules rules
link link
all of the mentioned all of the mentioned

The concept of crystalline and non crystalline regions results into details regarding fibre:

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Your Answer:

structure structure
density density
bonding bonding
strength strength

Images that are formed at position where paths of the principal rays cross when projected backward from their paths beyond the lens, are called:

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Your Answer:

virtual images virtual images
real images real images
converge images converge images
angular images angular images

Product of –$\frac{2}{11}$ and –$\frac{11}{8}$ is:

1 Mark(s)

Your Answer:

A) –$\frac{1}{4}$ A) –$\frac{1}{4}$
B) $\frac{1}{8}$ B) $\frac{1}{8}$
C) $\frac{1}{4}$ C) $\frac{1}{4}$
D) none of these (\frac{1}{4}\) D) none of these (\frac{1}{4}\)

Acceleration due to gravity ($g$) usually has the value:

1 Mark(s)

Your Answer:

$98 \, m/s^2$ $98 \, m/s^2$
$9.8 \, m/s^2$ $9.8 \, m/s^2$
$10.8 \, m/s^2$ $10.8 \, m/s^2$
$0.98 \, m/s^2$ $0.98 \, m/s^2$

What is the main advantage of using a Red-Black Tree over a regular binary search tree?

1 Mark(s)

Your Answer:

It guarantees O(log n) time complexity for insertion, deletion, and search operations.
It uses less memory compared to a regular BST.
It allows duplicate keys to be stored. It allows duplicate keys to be stored.
It automatically sorts elements. It automatically sorts elements.

. . . . . . . . is a framework for collecting and storing script-level statistics for Pig Latin.

1 Mark(s)

Your Answer:

Pig Stats Pig Stats
PStatistics PStatistics
Pig Statistics Pig Statistics
None of the mentioned None of the mentioned

A ray of light falls on a glass plate of refractive index $\mu = \sqrt{3}$ at an angle of $60^\circ$. The angle between the reflected and refracted rays is:

1 Mark(s)

Your Answer:

$30^\circ$ $30^\circ$
$60^\circ$ $60^\circ$
$120^\circ$ $120^\circ$
$90^\circ$ $90^\circ$

In order to email a Word document from within MS Word

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Your Answer:

Office button > Send to > Mail Recipient
Save the file as an email attachment Save the file as an email attachment
Start Outlook and attach the file while open in Word
This is an impossible operation This is an impossible operation

The programming language that has the ability to create new data types is called___.

1 Mark(s)

Your Answer:

Overloaded Overloaded
Encapsulated Encapsulated
Reprehensible Reprehensible
Extensible Extensible

Select the type of operating system you would expect to be used in a computerized heart monitor:

1 Mark(s)

Your Answer:

multi-user/multitasking multi-user/multitasking
real-time real-time
single-user/multitasking single-user/multitasking
single-user/single tasking single-user/single tasking

What is the output for the below code? public class A{ static{ System.out.println("static"); } { System.out.println("block"); } public A(){ System.out.println("A"); } public static void main(String[] args){ A a = new A(); } }

1 Mark(s)

Your Answer:

A block static A block static
static block A static block A
static A static A
A A
None of these None of these

The term that refers to the loss of strength of a signal is called:

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Your Answer:

attenuation attenuation
distortion distortion
noise noise
impairments impairments

Bread is risen by help of:

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Your Answer:

virus virus
bacteria bacteria
fungi fungi
yeast yeast

A place in the computer system where data and programs are temporarily stored __________________?

1 Mark(s)

Your Answer:

Paste Paste
Open Open
Memory Memory
Pocket Pocket

In SI system the unit of volume is:

1 Mark(s)

Your Answer:

meter square meter square
cubic meter cubic meter
meter meter
kilometers kilometers

Photosynthesis increases the concentration of oxygen in air, which is necessary for all:

1 Mark(s)

Your Answer:

living organism living organism
fossils fossils
birds only birds only
animals animals

Applications are programs that interact directly with the database.

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Your Answer:

True True
False False

Concrete is a mixture of cement, gravels and water, which is used for:

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Your Answer:

carving carving
building building
plumbing plumbing
gardening gardening

All of the following storage media have read and write capabilities except _____________________?

1 Mark(s)

Your Answer:

Flash memory cards Flash memory cards
CD-ROMs CD-ROMs
Hard disk drives Hard disk drives
Floppy disks Floppy disks

The web UI provides information about . . . . . . . . job statistics of the Hama cluster.

1 Mark(s)

Your Answer:

MPP MPP
BSP BSP
USP USP
ISP ISP

What is the typical format of a web address (URL) for accessing a website on the World Wide Web?

1 Mark(s)

Your Answer:

https://www.example.com https://www.example.com
www.example.com www.example.com
example.com example.com
ftp://example.com ftp://example.com

What does the 'void' keyword indicate in C#?

1 Mark(s)

Your Answer:

It does not return a value It does not return a value
It returns a value It returns a value
It indicates an error It indicates an error
It is a data type It is a data type

Which one is not a Function in MS Excel?

1 Mark(s)

Your Answer:

SUMB SUMB
AVG AVG
MAX MAX
MIN MIN

What is the result of the following code snippet? try { int result = 10 / 0; } catch (ArithmeticException e) { System.out.println("Arithmetic Exception!"); } finally { System.out.println("Finally Block!"); }

1 Mark(s)

Your Answer:

No output No output
Finally Block! Finally Block!
Arithmetic Exception! Arithmetic Exception!
Arithmetic Exception! Finally Block! Arithmetic Exception! Finally Block!

Solve the equation for x : 6x – 27 + 3x = 4 + 9 – x

1 Mark(s)

Your Answer:

4 4
5 5
6 6
-4 -4
None of these None of these

What is the primary purpose of the shinydashboard package in R Shiny applications?

1 Mark(s)

Your Answer:

Building interactive dashboards for data visualization
Creating statistical models Creating statistical models
Customizing the appearance of ggplot2 plots
Web scraping and data extraction Web scraping and data extraction

The actual bandwidth of a digital signal is infinite, the effective bandwidth would be:

1 Mark(s)

Your Answer:

finite finite
infinite infinite
always zero always zero
one one

Scientists estimated that about half of the population of plants are found in the:

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Your Answer:

mountains mountains
tropical rainforest tropical rainforest
plains plains
desert desert

If A = {1, 2, 3, 4} and B = {4, 5, 6, 7} then A∪B should be:

1 Mark(s)

Your Answer:

{2, 3, 4, 5, 6, 7} {2, 3, 4, 5, 6, 7}
{1, 2, 3, 4, 5, 6, 7} {1, 2, 3, 4, 5, 6, 7}
{4} {4}
{1, 2, 3, 5, 6, 7} {1, 2, 3, 5, 6, 7}

The concept of hiding internal details and showing only functionality is:

1 Mark(s)

Your Answer:

Abstraction Abstraction
Inheritance Inheritance
Polymorphism Polymorphism
Encapsulation Encapsulation

FPGA stands for:

1 Mark(s)

Your Answer:

field programmable gate array field programmable gate array
forward programmable gate array forward programmable gate array
forward parallel gate array forward parallel gate array
field parallel gate array field parallel gate array

For real number ‘x’ the absolute value is denoted by:

1 Mark(s)

Your Answer:

x² x²
| x | | x |
1 ⁄ x 1 ⁄ x
−t −t

Which function is used to write a character to a file in C?

1 Mark(s)

Your Answer:

putc() putc()
writechar() writechar()
putchar() putchar()
fileputchar() fileputchar()

Which of these PowerPoint features would allow any user to create a given simple presentation quickly?

1 Mark(s)

Your Answer:

Animation Animation
Chart wizard Chart wizard
Transition Wizard Transition Wizard
AutoContent Wizard AutoContent Wizard

The view that displays the slides of a presentation as miniature representations (thumbnails) of the slides is called _____?

1 Mark(s)

Your Answer:

Slide show Slide show
Outline view Outline view
Slide sorter view Slide sorter view
None of these None of these

What is the range of values for an 'unsigned long int' data type in C++?

1 Mark(s)

Your Answer:

0 to 65535 0 to 65535
-32768 to 32767 -32768 to 32767
0 to 4294967295 0 to 4294967295
-2147483648 to 2147483647 -2147483648 to 2147483647

Which of the following CSS property sets the opacity level for an element?

1 Mark(s)

Your Answer:

opacity opacity
transparency transparency
transparent transparent
all of the mentioned all of the mentioned

There is an audio format supported across all browsers.

1 Mark(s)

Your Answer:

True True
False False

Can one block of except statements handle multiple exception?

1 Mark(s)

Your Answer:

yes, like except TypeError, SyntaxError [,...]
yes, like except [TypeError, SyntaxError]
no no
none of the mentioned none of the mentioned

In fourth quadrant, y is

1 Mark(s)

Your Answer:

A) -ve A) -ve
B) +ve B) +ve
C) 0 C) 0
D) none of these D) none of these

______ 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 is valid reverse polish expression?

1 Mark(s)

Your Answer:

a op b a op b
op a b op a b
a b op a b op
both op a b and a b op both op a b and a b op

Which keyword is used to specify the exception thrown by method?

1 Mark(s)

Your Answer:

catch catch
throws throws
finally finally
throw throw

What will be the output of the following C code? #include <stdio.h> int main() { int x = 97; switch (x) { case 'a': printf("yes "); break; case 97: printf("no\n"); break; } }

1 Mark(s)

Your Answer:

yes yes
yes no yes no
Duplicate case value error Duplicate case value error
Character case value error Character case value error

In a Word document this describes the size, weight, and spacing of a character?

1 Mark(s)

Your Answer:

Typeface Typeface
Typography Typography
Font Font
Points Points

What will be the output of the following PHP code ? <?php $x = 10; $y = 5; $z = 3; if ($x / $y / $z) print "hi"; else print "hello"; ?>

1 Mark(s)

Your Answer:

hi hi
hello hello
error error
no output no output

The gravitational force between two spheres of masses 1000 kg kept 1m apart is:

1 Mark(s)

Your Answer:

10 N 10 N
6.673 * 10-5 6.673 * 10-5
12 N 12 N
5 N 5 N

What's wrong in the following statement, provided k is a variable of type int? for(k = 2, k <=12, k++)

1 Mark(s)

Your Answer:

The increment should always be ++k . The increment should always be ++k .
The variable must always be the letter i when using a for loop.
There should be a semicolon at the end of the statement.
The variable k can’t be initialized. The variable k can’t be initialized.
The commas should be semicolons. The commas should be semicolons.

If a solid sphere of radius 10 cms is moulded into 8 spherical solid balls of equal radius, then surface area of each ball (in cm2) is________?

1 Mark(s)

Your Answer:

100π 100π
7π 7π
60π 60π
50π 50π

Which of the following data types in Python is mutable and does not allow duplicate elements?

1 Mark(s)

Your Answer:

Set Set
List List
Tuple Tuple
Dictionary Dictionary

Which of the following is true for a min-heap?

1 Mark(s)

Your Answer:

The root node is the smallest element, and every parent node is smaller than its children.
The root node is the largest element, and every parent node is larger than its children.
All nodes are arranged in a complete binary tree.
The tree is always balanced. The tree is always balanced.

Given Young's modulus $Y$, Density $\rho$. The speed of sound in a solid rod is given by:

1 Mark(s)

Your Answer:

$\sqrt{Y/\rho}$ $\sqrt{Y/\rho}$
$\sqrt{\rho/Y}$ $\sqrt{\rho/Y}$
$Y\rho$ $Y\rho$
$\sqrt{Y\rho}$ $\sqrt{Y\rho}$

What is the main advantage of using polymorphism in Ruby?

1 Mark(s)

Your Answer:

It allows for faster code execution It allows for faster code execution
It allows for easier code debugging It allows for easier code debugging
It allows for more flexible and reusable code
It allows for better code organization It allows for better code organization

Which gate checks for equality?

1 Mark(s)

Your Answer:

XOR XOR
XNOR XNOR
NAND NAND
NOR NOR

What is the shortcut key to delete data by permanently?

1 Mark(s)

Your Answer:

Ctrl+delete button Ctrl+delete button
Shift + Delete Button Shift + Delete Button
Alt+delete button Alt+delete button
None of these None of these

Is `while(0)` an infinite loop?

1 Mark(s)

Your Answer:

Yes Yes
No No
Depends Depends
Runtime Error Runtime Error

The ............ function checks if the "end-of-file" (EOF) has been reached.

1 Mark(s)

Your Answer:

f_eof() f_eof()
f_of() f_of()
feofs() feofs()
feof() feof()

Which of the following statement of a program is not right?

1 Mark(s)

Your Answer:

class teacher{ }; teacher s[5]; class teacher{ }; teacher s[5];
class teacher{ }s; class teacher{ }s;
class teacher{ }; teacher s; class teacher{ }; teacher s;
class teacher{ }s[]; class teacher{ }s[];

What will be the output of the following C code? #define hello(c,d) #c #d main() { printf(hello(i,"am")); }

1 Mark(s)

Your Answer:

iam iam
i"am" i"am"
am am
"am" "am"

What is the keyword used to declare a constant value in Java?

1 Mark(s)

Your Answer:

constant constant
const const
final final
static static

Which of the following is not a factor in determining the concurrency control behavior of SQL Server?

1 Mark(s)

Your Answer:

Lock level Lock level
Transaction isolation level Transaction isolation level
Cursor concurrency setting Cursor concurrency setting
Locking hints Locking hints

To hide the name of the Company you need to define

1 Mark(s)

Your Answer:

Security Control Security Control
Tally Audit Tally Audit
Create at least one User Create at least one User
Tally Vault Password Tally Vault Password

What will be the output of the following C++ code? #include <iostream> using namespace std; struct a { int count; }; struct b { int* value; }; struct c : public a, public b { }; int main() { c* p = new c; p->value = 0; cout << "Inherited"; return 0; }

1 Mark(s)

Your Answer:

Inherited Inherited
Error Error
Runtime error Runtime error
None of the above None of the above

The heart is also called:

1 Mark(s)

Your Answer:

muscular pump muscular pump
pumping device pumping device
pumping machine pumping machine
pumping muscle pumping muscle

The logarithm of a product is the:

1 Mark(s)

Your Answer:

product of logarithms product of logarithms
difference of logarithms difference of logarithms
logarithm of number itself logarithm of number itself
sum of logarithm sum of logarithm

A relationship is which of the following?

1 Mark(s)

Your Answer:

A person, place, or thing A person, place, or thing
Property or characteristic of an entity Property or characteristic of an entity
Link between entities Link between entities
Weak entity Weak entity

For what purposes are views used?

1 Mark(s)

Your Answer:

To hide columns only To hide columns only
To hide rows only To hide rows only
To hide complicated SQL statements only To hide complicated SQL statements only
All of the above are uses for SQL views.

The power of a water pump is 2 kW. If $g=10 m/s^2$, the amount of water it can raise in 1 minute to a height of 10 m is:

1 Mark(s)

Your Answer:

100 liters 100 liters
2000 liters 2000 liters
1200 liters 1200 liters
1000 liters 1000 liters

What is the purpose of the "extends" keyword in Java?

1 Mark(s)

Your Answer:

To mark a class as abstract To mark a class as abstract
To declare a method To declare a method
To implement an interface To implement an interface
To create a subclass To create a subclass

XHTML stands for?

1 Mark(s)

Your Answer:

Extensible HyperText Markup Language Extensible HyperText Markup Language
Extended HyperText Markup Language Extended HyperText Markup Language
Extensible HighText Markup Language Extensible HighText Markup Language
None None

Every key used to join the fact table with a dimensional table should be a surrogate key.

1 Mark(s)

Your Answer:

True True
False False

What is a circular linked list?

1 Mark(s)

Your Answer:

A list where each node points to the next
A list where the last node points to the first node
A list where each node points to itself A list where each node points to itself
A list where the nodes are in a circle A list where the nodes are in a circle

What is the time complexity of performing a BFS on a graph with V vertices and E edges using an adjacency list?

1 Mark(s)

Your Answer:

O(V2) O(V2)
O(E) O(E)
O(V log V) O(V log V)
O(V + E) O(V + E)

Evaluating Your Answers

GATE Mock Test 3 : Question 1 of 78