Web Development Mock Test 5

If you leave a ball on slanting surface due to gravity it will move:

1 Mark(s)

Your Answer:

down the slope down the slope
upwards upwards
up the slope up the slope
constantly stationary constantly stationary

Output for the given code will be public static void Main() { int varA = 10; int varB = 20; long result = varA | varB; Console.WriteLine("{0} OR {1} Result :{2}", varA, varB, result); varA = 10; varB = 10; result = varA | varB; Console.WriteLine("{0} OR {1} Result : {2}", varA, varB, result); } :

1 Mark(s)

Your Answer:

20,10 20,10
30,10 30,10
10,20 10,20
10,10 10,10

Which operator among the following is used to perform the operation of boxing, unboxing, reference and identity conversions?

1 Mark(s)

Your Answer:

is is
as as
typeof typeof
all of the mentioned all of the mentioned

Laplace transform of function f(t)=1 where t ≥ 0 is:

1 Mark(s)

Your Answer:

s s
1/s 1/s
2s 2s
3s 3s

What will be the output of the following PHP code ? <?php # echo "Hello world"; echo "# Hello world"; ?>

1 Mark(s)

Your Answer:

# Hello world # Hello world
Hello world# Hello world Hello world# Hello world
Hello world Hello world
Error Error

In Ruby, what does the `case` statement allow you to compare against?

1 Mark(s)

Your Answer:

Integers Integers
Strings Strings
Ranges Ranges
All of the above All of the above

Which of the following is NOT a property of PowerPoint?

1 Mark(s)

Your Answer:

Print transparencies Print transparencies
Print slides with page numbers Print slides with page numbers
Print writer comments with slides Print writer comments with slides
Print handouts Print handouts

What is the function of Rhizobium?

1 Mark(s)

Your Answer:

A) Produces alcohol A) Produces alcohol
B) Kills viruses B) Kills viruses
C) Traps nitrogen from the air C) Traps nitrogen from the air
D) Forms algae D) Forms algae

____________________tools assist in the planning, development, and control in CASE ?

1 Mark(s)

Your Answer:

Dynamic measurement Dynamic measurement
Data acquisition Data acquisition
Test management Test management
Cross-functional tools Cross-functional tools

What is method hiding in Java?

1 Mark(s)

Your Answer:

Defining a new method with the same name in a subclass
Making a method private in a subclass Making a method private in a subclass
Redefining a method with a different return type
Defining a method with the same name in the superclass

In R, which package is commonly used for accessing and analyzing financial data?

1 Mark(s)

Your Answer:

financeR financeR
quantmod quantmod
financialtools financialtools
fintools fintools

Which environment variable is used to specify the path to maven?

1 Mark(s)

Your Answer:

JAVA_HOME JAVA_HOME
PATH PATH
MAVEN_HOME MAVEN_HOME
CLASSPATH CLASSPATH

What will be the output of the following Python code? >>> a={1,2,3} >>> a.intersection_update({2,3,4,5}) >>> a

1 Mark(s)

Your Answer:

{2,3} {2,3}
Error, duplicate item present in list Error, duplicate item present in list
Error, no method called intersection_update for set data type
{1,4,5} {1,4,5}

What is the primary purpose of the Hadoop MapReduce "In-Mapper Combining" technique?

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 purpose of the Thread.Sleep() method in C# multithreading?

1 Mark(s)

Your Answer:

To terminate the current thread immediately
To synchronize access to a shared resource
To signal one or more waiting threads that an event has occurred
To pause the execution of the current thread for a specified amount of time

What will be the output of the following Python code? import turtle t=turtle.Pen() t.color(0,1,0) t.begin_fill() for i in range(0,4): t.forward(100) t.right(90)

1 Mark(s)

Your Answer:

A square filled in with the colour green
A square outlined with the colour green A square outlined with the colour green
Blank canvas Blank canvas
Error Error

Hydrogen has thermal conductivity of:

1 Mark(s)

Your Answer:

0.024 k(W/m.K) 0.024 k(W/m.K)
0.18 k(W/m.K) 0.18 k(W/m.K)
0.15 k(W/m.K) 0.15 k(W/m.K)
0.043 k(W/m.K) 0.043 k(W/m.K)

What is a common application of hash-based searching algorithms?

1 Mark(s)

Your Answer:

Sorting arrays Sorting arrays
Graph traversal Graph traversal
Implementing hash tables Implementing hash tables
Dynamic programming Dynamic programming

What kind of binary heap is used to efficiently support priority queues with the smallest element at the root?

1 Mark(s)

Your Answer:

Min-heap Min-heap
Max-heap Max-heap
Fibonacci heap Fibonacci heap
Binomial heap Binomial heap

The Synchronous Optical Networking (SONET) layer that is responsible for the movement of a signal across a physical line is called:

1 Mark(s)

Your Answer:

line layer line layer
section layer section layer
path layer path layer
photonic layer photonic layer

The use of packaged data models can offer which of the following benefits?

1 Mark(s)

Your Answer:

Reduce implementation time and costs Reduce implementation time and costs
Higher quality models Higher quality models
Both A and B. Both A and B.
Neither A nor B. Neither A nor B.

File Management is responsibly of__________?

1 Mark(s)

Your Answer:

Task Manager Task Manager
RAM RAM
BIOS BIOS
Operating System Operating System

Arrays in object oriented language can be referred to as data storage:

1 Mark(s)

Your Answer:

constructs constructs
entities entities
collection collection
types types

Which AI technique enables the computers to understand the associations and relationships between objects and events?

1 Mark(s)

Your Answer:

Heuristic Processing Heuristic Processing
Cognitive Science Cognitive Science
Relative Symbolism Relative Symbolism
Pattern Matching Pattern Matching

Which class of IP is reserved for Multicasting?

1 Mark(s)

Your Answer:

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

Databases, other than SQL, allow Unicode representation to be stored in:

1 Mark(s)

Your Answer:

char type char type
varchar type varchar type
long type long type
nvarchar type nvarchar type

Headquarters of WhatsApp located in?

1 Mark(s)

Your Answer:

Washington Washington
Hawaii Hawaii
New York New York
California California
None of these None of these

SQL is:

1 Mark(s)

Your Answer:

a programming language. a programming language.
an operating system. an operating system.
a data sublanguage. a data sublanguage.
a DBMS. a DBMS.

What will be the output of the following Python code? print("abcdef".center(0))

1 Mark(s)

Your Answer:

cd cd
abcdef abcdef
error error
none of the mentioned none of the mentioned

The brightness of bulb will be decreased if there are more than one:

1 Mark(s)

Your Answer:

bulbs bulbs
batteries batteries
circuits circuits
switches switches

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

1 Mark(s)

Your Answer:

Exception! Exception!
No output No output
Compilation error Compilation error
Arithmetic Exception! Arithmetic Exception!

What is the result of the following code in Java? `System.out.println(10 > 5 ? "true" : "false");`

1 Mark(s)

Your Answer:

true true
false false
Compilation Error Compilation Error
Runtime Error Runtime Error

Search engine used software called to search on internet different documents?

1 Mark(s)

Your Answer:

Spider Spider
Dark Drive Dark Drive
Wikipedia Wikipedia
None of these Answer None of these Answer

X-windows operating system is a user's interface that is common version of:

1 Mark(s)

Your Answer:

windows windows
UNIX UNIX
Linux Linux
MAC OS MAC OS

What is the role of the Pig Latin CROSS statement in Apache Pig?

1 Mark(s)

Your Answer:

Join data from multiple relations Join data from multiple relations
Generate the cross product of two or more relations
Load data into a relation Load data into a relation
None of the above None of the above

Correct output for the code is enum color { red, green, blue } color c; c = color.red; Console.WriteLine(c); :

1 Mark(s)

Your Answer:

1 1
-1 -1
red red
0 0

What is the return value of the 'rand' function in C?

1 Mark(s)

Your Answer:

A random integer A random integer
A float between 0 and 1 A float between 0 and 1
A character A character
A boolean value A boolean value

MS Word is still most widely used ____ software in the world.

1 Mark(s)

Your Answer:

Word Processing Word Processing
Calculation Calculation
Presentation Design Presentation Design
None of these None of these

A design description in OOD includes___________________?

1 Mark(s)

Your Answer:

Protocol Description Protocol Description
Implementation Description Implementation Description
Type Description Type Description
both Protocol and Implementation Description

Which of these is an correct way making a list that is upper bounded by class Number?

1 Mark(s)

Your Answer:

List<? extends Number> List<? extends Number>
List<extends ? Number> List<extends ? Number>
List(? extends Number) List(? extends Number)
List(? UpperBounds Number) List(? UpperBounds Number)

The technique to simplify routing is called the:

1 Mark(s)

Your Answer:

network method network method
error-control method error-control method
route method route method
default method default method

To return compressed files to their uncompressed state we must:

1 Mark(s)

Your Answer:

delete them delete them
extract them extract them
archive them archive them
zip them zip them

Relational operators cannot be used on . . . . . . . .

1 Mark(s)

Your Answer:

structure structure
long long
strings strings
float float

Which access specifier allows members to be accessed in derived classes but not outside?

1 Mark(s)

Your Answer:

private private
public public
protected protected
internal internal

What is the value of the Jaccard index when the two sets are disjoint?

1 Mark(s)

Your Answer:

1 1
2 2
3 3
0 0

What will be the output of the following C code having void return-type function? #include <stdio.h> void foo() { return 1; } void main() { int x = 0; x = foo(); printf("%d", x); }

1 Mark(s)

Your Answer:

1 1
0 0
Runtime error Runtime error
Compile time error Compile time error

The location of a resource on the internet is given by its?

1 Mark(s)

Your Answer:

Protocol Protocol
URL URL
E-mail address E-mail address
ICQ ICQ

Evaluating Your Answers

Web Development Mock Test 5 : Question 1 of 47