C Programming Mock Test 6 - Online MCQ Exam

Value of one relation for a given set of attributes, appearing for a certain set of attributes in another relation, is known as:

1 Mark(s)

Your Answer:

Integrity constraint Integrity constraint
Referential integrity Referential integrity
Referenced integrity Referenced integrity
Dubbed integrity Dubbed integrity

Human accepted comfort zone Fahrenheit temperature is:

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Your Answer:

212°F 212°F
98.6°F 98.6°F
32°F 32°F
68°F 68°F

Pressing F8 key for three time selects____________?

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Your Answer:

A sentence A sentence
A paragraph A paragraph
A word A word
Entire document Entire document

What will be the output? class MyClass{ public String test(){ try{ System.out.print("One"); return ""; } finally{ System.out.print("Two"); } } } public class Test{ public static void main(String args[]){ MyClass m = new MyClass(); m.test(); } }

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Your Answer:

One One
Two Two
One Two One Two
Compilation Error Compilation Error
None of these None of these

A query using a join with an on condition can be replaced by an equivalent expression without an ON condition, with predicate to:

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Your Answer:

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

Sun also has the Hadoop Live CD . . . . . . . . project, which allows running a fully functional Hadoop cluster using a live CD.

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Your Answer:

OpenOffice.org OpenOffice.org
OpenSolaris OpenSolaris
GNU GNU
Linux Linux

What will be the output of the following code: with open('data.txt', 'r') as file: lines = file.readlines() print(len(lines))

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Your Answer:

The number of lines in data.txt The number of lines in data.txt
An error will occur An error will occur
The content of data.txt The content of data.txt
The file object file The file object file

Which of the following keywords is used to rescue specific types of exceptions in Ruby?

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Your Answer:

ensure ensure
raise raise
rescue rescue
catch catch

What is the purpose of Slide Master in Microsoft PowerPoint?

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Your Answer:

To apply formatting to all slides in a presentation.
To create custom slide layouts. To create custom slide layouts.
To change the slide size and orientation.
None of these None of these

Eccentricity is the:

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Your Answer:

deviation of curve deviation of curve
integration of curve integration of curve
linearity of curve linearity of curve
angle of cube angle of cube

What is the purpose of declaring constants in C#?

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Your Answer:

To store and manipulate data To store and manipulate data
To declare variables To declare variables
To handle exceptions To handle exceptions
To define values that do not change To define values that do not change

In Java Networking, which class is used for creating a UDP socket?

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Your Answer:

`MulticastSocket` `MulticastSocket`
`ServerSocket` `ServerSocket`
`DatagramSocket` `DatagramSocket`
`Socket` `Socket`

Inheritance is which of the following?

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Your Answer:

When a supertype entity inherits values of the subtype attribute
When a subtype entity inherits values of the supertype attribute
When a supertype entity inherits values of another supertype attribute
When a subtype entity inherits values of another subtype attribute

An object's mass 'm' and its energy 'E' are related by:

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Your Answer:

Em=c2 Em=c2
E=mc2 E=mc2
E=m/c2 E=m/c2
E=m/c3 E=m/c3

What is the syntax for defining a recursive function in C++?

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Your Answer:

returnType functionName(parameters) { if (condition) functionName(parameters); }
functionName(parameters) { returnType if (condition) functionName(parameters); }
functionName(parameters) { functionName(parameters); }
returnType functionName(parameters) { functionName(parameters); }

What type of operating system MS-DOS is?

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Your Answer:

Command Line Interface Command Line Interface
Graphical User Interface Graphical User Interface
Multitasking Multitasking
Menu Driven Interface Menu Driven Interface

_________________ view shows the system hardware and how software components are distributed across the processors in the system ?

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Your Answer:

physical physical
logical logical
process process
all of the mentioned all of the mentioned

EPROM is an example of:?

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Your Answer:

Algorithmic logic device Algorithmic logic device
Programmable logic device Programmable logic device
Digital logic device Digital logic device
None of the Above Answer None of the Above Answer

Which sphere includes glaciers and ice?

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Your Answer:

A) Hydrosphere A) Hydrosphere
B) Cryosphere B) Cryosphere
C) Biosphere C) Biosphere
D) Atmosphere D) Atmosphere

What IP address class allocates 8 bits for the host identification part?

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Your Answer:

Class A Class A
Class B Class B
Class C Class C
Class D Class D

The greatest threat to business security is often internal rather than external.

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Your Answer:

True True
False False

Just like the SQL update privilege, the privilege that is granted on specific attributes, is:

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Your Answer:

Insert privilege Insert privilege
References privilege References privilege
Execute privilege Execute privilege
Select privilege Select privilege

What happens when a reference is declared but not initialized in C++?

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Your Answer:

Undefined behavior Undefined behavior
Default-initialized to null Default-initialized to null
Initialized to a default value Initialized to a default value
Compilation error Compilation error

Which of the following selector selects the element that is the first child of its parent that is of its type?

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Your Answer:

:first-of-type :first-of-type
:last-child :last-child
::first-line ::first-line
::first-letter ::first-letter

If a host does not support the flow label, it sets the flow label field to:

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Your Answer:

one one
two two
three three
zero zero

The result of Boolean expression 'False and unknown' is:

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Your Answer:

True True
False False
Unknown Unknown
Null Null

Which attribute is used for favicon?

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Your Answer:

icon icon
title title
rel rel
head head

Telephone companies implement a multiplexing using:

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Your Answer:

TDM TDM
FDM FDM
WDM WDM
DWDM DWDM

Command set which is correct according to its function is:

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Your Answer:

RD and MD RD and MD
DEL and ERASE DEL and ERASE
CD and RD CD and RD
COPY and RENAME COPY and RENAME

What is the correct way to access the third element in an array named numbers in C#?

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Your Answer:

numbers[3] numbers[3]
numbers(3) numbers(3)
numbers(2) numbers(2)
numbers[2] numbers[2]

The output of which of the codes shown below will be: "There are 4 blue birds."?

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Your Answer:

'There are %g %d birds.' %4 %blue 'There are %g %d birds.' %4 %blue
'There are %d %s birds.' %(4, blue) 'There are %d %s birds.' %(4, blue)
'There are %s %d birds.' %[4, blue] 'There are %s %d birds.' %[4, blue]
'There are %d %s birds.' 4, blue 'There are %d %s birds.' 4, blue

. . . . . . . . is discovering unseen patterns from data.

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Your Answer:

Data Milling Data Milling
Data Mining Data Mining
Niching Niching
Machine learning Machine learning

What does the Shuffle phase in MapReduce involve?

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Your Answer:

Data compression Data compression
Data distribution to reducers Data distribution to reducers
Data sorting and grouping Data sorting and grouping
Data storage in HBase Data storage in HBase

What will be the time complexity of delete operation if all the candidates are evenly spaced so that each bin has constant no. of candidates? (m = number of bins intersecting candidate intersects)

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Your Answer:

O(1) O(1)
O(m) O(m)
O(m2) O(m2)
O(log m) O(log m)

Mean radius of Sun is:

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Your Answer:

6.96x108 m 6.96x108 m
6.37x106 m 6.37x106 m
1.74x106 m 1.74x106 m
6.96x1018 m 6.96x1018 m

If you call a method and it doesn’t exist it’ll cause a problem. To check the method which function will you use?

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Your Answer:

_method() _method()
methodexists() methodexists()
is_callable() is_callable()
is_method() is_method()

In C#, which keyword is used to declare an event in an interface?

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Your Answer:

interface interface
delegate delegate
class class
event event

Which of the following functions can help us to find the version of python that we are currently working on?

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Your Answer:

sys.version(1) sys.version(1)
sys.version(0) sys.version(0)
sys.version() sys.version()
sys.version sys.version

What is the return type of Constructors?

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Your Answer:

int int
float float
void void
none of the mentioned none of the mentioned

What is the maximum number of statements recommended in an inline function?

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Your Answer:

1 1
2–5 2–5
10 10
No strict limit No strict limit

Gold, silver, copper and carbon are examples of:

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Your Answer:

element element
electron electron
neutron neutron
carbon carbon

What is the role of the HBase Region Locator in HBase architecture?

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Your Answer:

Manage computation resources Manage computation resources
Determine the location of regions in HBase
Perform data analytics in Hadoop Perform data analytics in Hadoop
None of the above None of the above

There are how many ways to add CSS sheets in HTML elements?

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Your Answer:

3 ways 3 ways
2 ways 2 ways
1 way 1 way
a lot of ways a lot of ways

An enum declared inside a class,struct,namespace or interface is treated as:

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Your Answer:

public public
private private
protected protected
both b and c both b and c

Iron, nickel and cobalt are:

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Your Answer:

Diamagnetic materials Diamagnetic materials
Ferromagnetic materials Ferromagnetic materials
Paramagnetic materials Paramagnetic materials
Triamagnetic materials Triamagnetic materials

Which of the following is necessary for photosynthesis?

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Your Answer:

Sulphur Sulphur
Phosphorus Phosphorus
Chlorophyll Chlorophyll
Chloroform Chloroform

A person pushes a box with a force F at an angle θ to the horizontal, but the box moves horizontally. The work done is given by

1 Mark(s)

Your Answer:

A) F sin θ × s A) F sin θ × s
B) F cos θ × s B) F cos θ × s
C) F × S C) F × S
D) F tan θ × s D) F tan θ × s

In 1940, first electronic computer was invented by_______?

1 Mark(s)

Your Answer:

Clifford Bery Clifford Bery
George Boole George Boole
Atanasoff and Berry Atanasoff and Berry
John V.Atanasoff John V.Atanasoff

X-ray diffraction is the most important method used for the study of:

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Your Answer:

fine matter fine matter
rough matter rough matter
fibre structure fibre structure
fibre length fibre length

What will be the output of the following Java program? class selection_statements { public static void main(String args[]) { int var1 = 5; int var2 = 6; if ((var2 = 1) == var1) System.out.print(var2); else System.out.print(++var2); } }

1 Mark(s)

Your Answer:

1 1
2 2
3 3
4 4

Given below classes which of the following are the possible row entries in vtable of D1 class? class Base { public: virtual void function1() {}; virtual void function2() {}; }; class D1: public Base { public: virtual void function1() {}; }; class D2: public Base { public: virtual void function2() {}; };

1 Mark(s)

Your Answer:

Base::function1() and Base::function2() Base::function1() and Base::function2()
D1::function1() and Base::function2() D1::function1() and Base::function2()
Base::function1() and D1::function2() Base::function1() and D1::function2()
D1::function1() and D1::function2() D1::function1() and D1::function2()

Which of these class is used to access actual bits or content information of a URL?

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Your Answer:

URL URL
URLDecoder URLDecoder
URLConnection URLConnection
All of the mentioned All of the mentioned

What will be the output of the following Python code? x = ['ab', 'cd'] for i in x: x.append(i.upper()) print(x)

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Your Answer:

['AB', 'CD'] ['AB', 'CD']
['ab', 'cd', 'AB', 'CD'] ['ab', 'cd', 'AB', 'CD']
['ab', 'cd'] ['ab', 'cd']
none of the mentioned none of the mentioned

The unsigned representation of numbers by one's complement can represent:

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Your Answer:

positive number positive number
negative number negative number
both a and b both a and b
infinite numbers infinite numbers

JSP and ASP not only look alike but their underlying technology is quite similar.

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Your Answer:

True True
False False

Which submenu is used to create new ledgers, groups and voucher types in Tally

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Your Answer:

Account Info Account Info
Inventory Info Inventory Info
Accounting Vouchers Accounting Vouchers
Inventory Vouchers Inventory Vouchers

Which C++ header provides functionality for managing sets and their operations?

1 Mark(s)

Your Answer:

<list> <list>
<vector> <vector>
<set> <set>
<unordered_map> <unordered_map>

Evaluating Your Answers

C Programming Mock Test 6 : Question 1 of 57