Data Structures Mock Test 12

How can you remove tab stop markers from ruler?

1 Mark(s)

Your Answer:

Double click the tab marker and choose Clear All
Drag the tab stop marker out of the ruler
Right click the tab stop marker and choose remove
All of above All of above

What will be done if more than one page requires a file of JavaScript code?

1 Mark(s)

Your Answer:

Downloads that many times Downloads that many times
Retrives from the browser cache Retrives from the browser cache
Must be re executed Must be re executed
None of the mentioned None of the mentioned

The permanently etched program in ROM that automatically begins executing the computer instructions is the__________________?

1 Mark(s)

Your Answer:

RAM RAM
BIOS BIOS
CMOS CMOS
ROM ROM

Find out which one can be considered the complete operating environment with applications, management?

1 Mark(s)

Your Answer:

IaaS IaaS
SaaS SaaS
PaaS PaaS
All of the mentioned All of the mentioned

What are the benefits of closure compiler?

1 Mark(s)

Your Answer:

Efficiency Efficiency
Code checking Code checking
Both Efficiency and Code checking Both Efficiency and Code checking
None of the mentioned None of the mentioned

Which of following is not accepted in C?

1 Mark(s)

Your Answer:

static a = 10; //static as static a = 10; //static as
static int func (int); //parameter as static
static static int a; //a static variable prefixed with static
all of the mentioned all of the mentioned

In a circular queue implementation using array of size 5, the array index starts with 0 where front and rear values are 3 and 4 respectively. Determine the array index at which the insertion of the next element will take place.

1 Mark(s)

Your Answer:

5 5
0 0
1 1
2 2

What is the world's largest potential source of biomass energy?

1 Mark(s)

Your Answer:

Animal waste Animal waste
Industrial waste Industrial waste
Fibrous waste of the paper industry Fibrous waste of the paper industry
Fibrous waste of the sugar industry Fibrous waste of the sugar industry

To place a call from a mobile station, the caller enters a code of:

1 Mark(s)

Your Answer:

5 to 7 digit code 5 to 7 digit code
7 to 9 digit code 7 to 9 digit code
7 to 10 digit code 7 to 10 digit code
10 to 14 digit code 10 to 14 digit code

The ODBC standard defines conformance levels, which specify subsets of the:

1 Mark(s)

Your Answer:

Implementation Implementation
Standard Standard
Functionality Functionality
Levels Levels

Which of the following shortcut key in powerpoint is used to repeat the recent find?

1 Mark(s)

Your Answer:

F1 F1
F2 F2
F3 F3
F4 F4

Transnational kinetic energy of yo-yo when it rolls down will be:

1 Mark(s)

Your Answer:

1/2 mv 1/2 mv
1/2mv2 1/2mv2
mgh mgh
mv/h mv/h

What is the correct way to initialize all elements of an array to zero?

1 Mark(s)

Your Answer:

int arr[5] = {0}; int arr[5] = {0};
int arr[5] = (0); int arr[5] = (0);
int arr[5] = [0]; int arr[5] = [0];
int arr[5] = { }; int arr[5] = { };

Which of the following is not an application of sorted array?

1 Mark(s)

Your Answer:

Commercial computing Commercial computing
Priority Scheduling Priority Scheduling
Discrete Mathematics Discrete Mathematics
Hash Tables Hash Tables

How does the @contextmanager decorator facilitate context management?

1 Mark(s)

Your Answer:

By creating context managers automatically
By adding new context to existing managers
By wrapping functions with context management behavior
By removing context from code By removing context from code

Magnitude of velocity is:

1 Mark(s)

Your Answer:

distance distance
displacement displacement
time time
speed speed

Enterprise data modeling typically occurs during information systems planning.

1 Mark(s)

Your Answer:

True True
False False

What is the purpose of the 'if' statement in C++?

1 Mark(s)

Your Answer:

Executes a block of code repeatedly until a condition becomes true
Executes a block of code only once Executes a block of code only once
Executes a block of code if a condition is true
Terminates the program Terminates the program

Which method is called when an object is garbage collected in Ruby?

1 Mark(s)

Your Answer:

finalize finalize
destroy destroy
free free
initialize initialize

The nodes in the authorization graph denotes:

1 Mark(s)

Your Answer:

Relations Relations
Attributes Attributes
Users Users
References References

Which directive determines which degree of server details is provided if the ServerSignature directive is enabled?

1 Mark(s)

Your Answer:

ServerAddons ServerAddons
ServerExtra ServerExtra
ServerTokens ServerTokens
ServerDetails ServerDetails

Why is classifying materials in science important?

1 Mark(s)

Your Answer:

A) To waste time A) To waste time
B) To make them taste better B) To make them taste better
C) To better understand their properties
D) To change their colour D) To change their colour

A regression test--------?

1 Mark(s)

Your Answer:

Will help us to ensure unchanged areas of the software have not been affected
Can only be run during user acceptance testing
Will always be automated Will always be automated
Will help us to ensure changed areas of the software have not been affected

Which of the following tool is intended to be more compatible with HDT?

1 Mark(s)

Your Answer:

Git Git
Juno Juno
Indigo Indigo
None of the mentioned None of the mentioned

What does the 'NULL' keyword represent in C?

1 Mark(s)

Your Answer:

An empty string An empty string
A null character A null character
A pointer to nothing A pointer to nothing
An uninitialized variable An uninitialized variable

What will be the output of the following Python code snippet? x=3.3456789 '%-6.2f | %05.2f | %+06.1f' %(x, x, x)

1 Mark(s)

Your Answer:

'3.35 | 03.35 | +003.3' '3.35 | 03.35 | +003.3'
'3.3456789 | 03.3456789 | +03.3456789' '3.3456789 | 03.3456789 | +03.3456789'
Error Error
'3.34 | 03.34 | 03.34+' '3.34 | 03.34 | 03.34+'

A common simple manometer consists of a glass tube of:

1 Mark(s)

Your Answer:

triangular shape triangular shape
circular shape circular shape
rectangular shape rectangular shape
U shape U shape

Aspect Ratio can be defined as -

1 Mark(s)

Your Answer:

The ratio of the vertical points to horizontal points
of pixels of pixels
Both (a) & (b) Both (a) & (b)
None of the above None of the above

Colors that are contained by the color guns of computer screen are:

1 Mark(s)

Your Answer:

red, green and blue red, green and blue
yellow, red and green yellow, red and green
orange, red and green orange, red and green
black, blue and green black, blue and green

In Java, which collection class does not allow duplicate elements and is typically implemented as a binary tree?

1 Mark(s)

Your Answer:

HashSet HashSet
ArrayList ArrayList
LinkedList LinkedList
TreeSet TreeSet

What is the value of the expression (4 + 5) * 2 in C#?

1 Mark(s)

Your Answer:

9 9
20 20
18 18
13 13

Which algorithm is used for Clustering?

1 Mark(s)

Your Answer:

Decision Tree Decision Tree
K-Means K-Means
Linear Regression Linear Regression
Naive Bayes Naive Bayes

Read the following given program of C++ and predict the most appropriate output of the following program? #include usingnamespacestd; int&fun() { staticintx = 10; returnx; } intmain() { fun() = 30; cout<< fun(); return0; } ``` #include usingnamespacestd; int&fun() { staticintx = 10; returnx; } intmain() { fun() = 30; cout<< fun(); return0; } ```

1 Mark(s)

Your Answer:

It will obtain a compilation error It will obtain a compilation error
It will print 30 as output It will print 30 as output
It will print ten as output It will print ten as output
None of the above None of the above

Which of the following is a stringizing operator?

1 Mark(s)

Your Answer:

# #
% %
## ##

How do you create a named numeric vector with values 1, 2, and 3 named "one", "two", and "three" in R?

1 Mark(s)

Your Answer:

named_vector <- c(one = 1, two = 2, three = 3)
create_named_vec(1, 2, 3, names = c("one", "two", "three"))
numeric_vector(c(1, 2, 3), names = c("one", "two", "three"))
vec_named(c(1, 2, 3), c("one", "two", "three"))

When a computer is switched on, the booting process performs___________?

1 Mark(s)

Your Answer:

Integrity Test Integrity Test
Power-On Self-Test Power-On Self-Test
Correct Functioning Test Correct Functioning Test
Reliability Test Reliability Test

Which traversal method of a binary tree visits the root node first?

1 Mark(s)

Your Answer:

Preorder Preorder
Inorder Inorder
Postorder Postorder
Level-order Level-order

You want to run the new 802.1w on your switches. Which of the following would enable this protocol?

1 Mark(s)

Your Answer:

Switch(config)# spanning-tree mode rapid-pvst
Switch# spanning-tree mode rapid-pvst Switch# spanning-tree mode rapid-pvst
Switch(config)# spanning-tree mode 802.1w
Switch# spanning-tree mode 802.1w Switch# spanning-tree mode 802.1w

What is the primary purpose of concurrency control in a database system?

1 Mark(s)

Your Answer:

To maximize data consistency To maximize data consistency
To ensure that transactions are executed sequentially
To allow multiple transactions to operate concurrently without interfering with each other
To minimize the number of concurrent transactions

Dijikstra's Algorithm is more efficient than Bellmann Ford Algorithm.

1 Mark(s)

Your Answer:

True True
False False

SQL Server supports three recovery modes: simple, full and Bulk.

1 Mark(s)

Your Answer:

True True
False False

Which of the following is not a navigator property?

1 Mark(s)

Your Answer:

platform[] platform[]
plugin[] plugin[]
userAgent[] userAgent[]
all of the mentioned all of the mentioned

What is the command to access the Heap size limit?

1 Mark(s)

Your Answer:

performance.memory. SizeLimit performance.memory. SizeLimit
performance.memory. jsHeapSizeLimit performance.memory. jsHeapSizeLimit
jsHeapSizeLimit jsHeapSizeLimit
performance.jsHeapSizeLimit performance.jsHeapSizeLimit

Which of the following is used to see all slides at once?

1 Mark(s)

Your Answer:

Using slide sorter view Using slide sorter view
Using slide view Using slide view
Using normal view Using normal view
None of the above None of the above

Which of the following is not used to access the web?

1 Mark(s)

Your Answer:

ISDN ISDN
Modem Modem
UDP UDP
DSL DSL

A wave by which sound is propagated in an elastic medium such as air is called:

1 Mark(s)

Your Answer:

microwave microwave
standing wave standing wave
sound wave sound wave
mechanical wave mechanical wave

Which is correct pointer traversal for 2D array?int arr[2][3];

1 Mark(s)

Your Answer:

for(int i=0; i<2; i++) for(int j=0; j<3; j++) cout << ((arr+i)+j);
int *p = &arr[0][0]; for(int i=0; i<6; i++) cout << *(p+i);
Both A and B Both A and B
None None

Which of the following gives the path for CGI script?

1 Mark(s)

Your Answer:

remote_host remote_host
remote_addr remote_addr
query_string query_string
path_info path_info

In C#, what is the process of defining a new class within another class called?

1 Mark(s)

Your Answer:

Inner Class Inner Class
Subclass Subclass
Parent Class Parent Class
Nested Class Nested Class

Increased power of synchrotron radiation reduces:

1 Mark(s)

Your Answer:

exposure time exposure time
crossing time crossing time
scattering time scattering time
light scattering light scattering

Which of the following element is used to create an SVG ellipse?

1 Mark(s)

Your Answer:

<circle> <circle>
<ellipse> <ellipse>
<curve> <curve>
none of the mentioned none of the mentioned

The comparison operator 'Like' is used after the clause:

1 Mark(s)

Your Answer:

Define clause Define clause
From clause From clause
Select clause Select clause
Where clause Where clause

Linus Torvalds developed which of the following systems?

1 Mark(s)

Your Answer:

LINUX LINUX
iOS iOS
UNIX UNIX
Windows Windows

Which of the following is required in the autotrophic mode of nutrition?

1 Mark(s)

Your Answer:

Sunlight Sunlight
Chlorophyll Chlorophyll
Water and carbon dioxide Water and carbon dioxide
All of the above All of the above

An operating system keeps track of which programs have access to which hardware devices and what it uses to help the CPU coordinate processes?

1 Mark(s)

Your Answer:

interrupt requests (IRQs) interrupt requests (IRQs)
disk drives disk drives
multitasking multitasking
user interface user interface

How many Bytes are stored by 'Long' Data type in C# .net?

1 Mark(s)

Your Answer:

8 8
4 4
2 2
1 1

__________________ is a measure of the degree of interdependence between modules ?

1 Mark(s)

Your Answer:

Cohesion Cohesion
Coupling Coupling
None of the mentioned None of the mentioned
All of the mentioned All of the mentioned

Which of the following protocols does not exist at the data link layer?

1 Mark(s)

Your Answer:

ZigBee Smart Energy ZigBee Smart Energy
LoRaWAN LoRaWAN
WirelessHART WirelessHART
Secure MQTT Secure MQTT

You can customize all of your document properties in the: __________?

1 Mark(s)

Your Answer:

Preview Window Preview Window
Options Menu Options Menu
Page layout tab Page layout tab
Backstage view Backstage view

Linear momentum of a particle is a:

1 Mark(s)

Your Answer:

scalar quantity scalar quantity
vector quantity vector quantity
angular acceleration angular acceleration
system's center of mass geometry system's center of mass geometry

What is the name given to the feature of C++ where a class inherits features from more than one base class?

1 Mark(s)

Your Answer:

Hierarchical inheritance Hierarchical inheritance
Multiple inheritance Multiple inheritance
Multilevel inheritance Multilevel inheritance
None of the above None of the above

Syntax for unless conditional statement is unless conditional [then] code else code end

1 Mark(s)

Your Answer:

True True
False False

. . . . . . . . contains tools for Approximate Bayesian Computation (ABC).

1 Mark(s)

Your Answer:

str str
abc abc
zyz zyz
yxq yxq

Analogue computer works on_____

1 Mark(s)

Your Answer:

Continuous electrical pulses Continuous electrical pulses
Continuous electronic pulses Continuous electronic pulses
Electrical pulses but not continuous Electrical pulses but not continuous
Magnetic strength Magnetic strength

Therefore in photosynthesis the energy which is stored in plants and animals is being derived from:

1 Mark(s)

Your Answer:

sun sun
glucose glucose
oxygen oxygen
chloroplast chloroplast

Observation, apparatus handling, comparisons, classification, communication, inferring, hypothesis and analyzing are all:

1 Mark(s)

Your Answer:

processes processes
skills skills
both a and b both a and b
personal trait personal trait

In MS Access, which 5-letter term starts with S?

1 Mark(s)

Your Answer:

Table Table
Query Query
Datasheet view Datasheet view
Form Form

A small or intelligent device is so-called because it contains within in a:?

1 Mark(s)

Your Answer:

Computer Computer
Microcomputer Microcomputer
Programmable Programmable
Sensor Answer Sensor Answer

The _________ element is used to render simple graphics such as line art, graphs, and other custom graphical elements on the client side.

1 Mark(s)

Your Answer:

metadata metadata
css css
canvas canvas
art art

What is a 'Weak Entity'?

1 Mark(s)

Your Answer:

Independent entity Independent entity
Dependent entity Dependent entity
Foreign key Foreign key
Null entity Null entity

Which of the following method moves an element from its current position using tranform?

1 Mark(s)

Your Answer:

rotate() rotate()
scale() scale()
translate() translate()
matrix() matrix()

Which is not the function of "Edit, Clear" command?

1 Mark(s)

Your Answer:

Delete contents Delete contents
Delete notes Delete notes
Delete cells Delete cells
Delete formats Delete formats

What does MIME stand for?

1 Mark(s)

Your Answer:

Multipurpose Internet Messaging Extension
Multipurpose Internet Mail Extension Multipurpose Internet Mail Extension
Multipurpose Internet Media Extension Multipurpose Internet Media Extension
Multipurpose Internet Mass Extension Multipurpose Internet Mass Extension

Breakdown or formation of compound involves:

1 Mark(s)

Your Answer:

chemical reaction chemical reaction
heating heating
passing electricity through passing electricity through
all of above all of above

The expression a{5} will match . . . . . . . . characters with the previous regular expression.

1 Mark(s)

Your Answer:

5 or less 5 or less
exactly 5 exactly 5
5 or more 5 or more
exactly 4 exactly 4

Which of the following is used to access the first element of an array in C++?

1 Mark(s)

Your Answer:

arr.front() arr.front()
arr[0] arr[0]
arr.begin() arr.begin()
None of the above None of the above

Specific heat of Ethyl alcohol in joules is:

1 Mark(s)

Your Answer:

2430 J/kg.k 2430 J/kg.k
900 J/kg.k 900 J/kg.k
386 J/kg.k 386 J/kg.k
2220 J/kg.k 2220 J/kg.k

If you are going to use a combination of three or more AND and OR conditions, it is often easier to use the NOT and NOT IN operators.

1 Mark(s)

Your Answer:

True True
False False

Evaluating Your Answers

Data Structures Mock Test 12 : Question 1 of 78