JavaScript Mock Test 9 - Online MCQ Exam

Which of the following is/are not Relational operators in C#.NET?

1 Mark(s)

Your Answer:

>= >=
<>= <>=
Not Not
<= <=

Functions are needed in .Net to:

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Your Answer:

avoid writing same piece of code multiple times in a program
make the program more efficient make the program more efficient
improve the readability improve the readability
make code user friendly make code user friendly

Electronic commerce is a process of:

1 Mark(s)

Your Answer:

sharing of business information sharing of business information
maintaining business relationship maintaining business relationship
conducting business transactions conducting business transactions
all of these all of these

We want to declare x, y and z as pointers of type int. The alias name given is: intpt The correct way to do this using the keyword typedef is:

1 Mark(s)

Your Answer:

int typedef* intptr; int x,y,z; int typedef* intptr; int x,y,z;
typedef* intptr; int x,y,z; typedef* intptr; int x,y,z;
int typedef* intptr; intptr x,y,z; int typedef* intptr; intptr x,y,z;
typedef int* intptr; intptr x,y,z; typedef int* intptr; intptr x,y,z;

We can use Stock Journal for

1 Mark(s)

Your Answer:

Production and Consumption Production and Consumption
Inter Godown transfer for stock Inter Godown transfer for stock
Both (a) and (b) Both (a) and (b)
None of these None of these

What does the following C# code signify? class a { } class b : a { variable declaration; method declaration; }

1 Mark(s)

Your Answer:

Declaration of a base class Declaration of a base class
Declaration of a subclass Declaration of a subclass
Declaration of base class & subclass and how subclass inherits the base class
None of the mentioned None of the mentioned

Incorrect data is easy to detect.

1 Mark(s)

Your Answer:

True True
False False

Which of the following is not a conflict in software development team ?

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Your Answer:

Simultaneous updates Simultaneous updates
Shared and common code Shared and common code
Versions Versions
Graphics issues Graphics issues

Which option is used to view Stock Items or Group Summary

1 Mark(s)

Your Answer:

Accounts Books Accounts Books
Inventory Books Inventory Books
Statutory Books Statutory Books
Display Display

Cloud Computing provides resources over:

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Your Answer:

Internet Internet
LAN LAN
Bluetooth Bluetooth
USB USB

What will be the output of the following C++ code? #include <iostream> #include <string> #include <cstdlib> using namespace std; int main(int argc, char const *argv[]) { int &p; int a = 5; &p = a; cout<<p; return 0; }

1 Mark(s)

Your Answer:

5 5
55 55
Error Error
Segmentation fault Segmentation fault

Choose the correct while loop statement from the following that finds the range where are the element being search is present (x is the element being searched in an array arr of size n)?

1 Mark(s)

Your Answer:

while (i < n && arr[i] <= x) i = i*2; while (i < n && arr[i] <= x) i = i*2;
while (i < n && arr[i] <= x) i = i/2; while (i < n && arr[i] <= x) i = i/2;
while (arr[i] <= x) i = i/2; while (arr[i] <= x) i = i/2;
while (i < n) i = i*2; while (i < n) i = i*2;

____________is/are the resources are used for DSS to explore decision alternatives?

1 Mark(s)

Your Answer:

Data Data
Software Software
Hardware Hardware
People People

What is the difference between delegates and interfaces in C#?

1 Mark(s)

Your Answer:

Delegates define a contract for classes to implement methods, whereas interfaces provide a way to reference methods
Delegates can encapsulate methods with different signatures, whereas interfaces define methods with specific signatures
Delegates cannot be used with events, whereas interfaces can
Delegates provide a way to reference methods, whereas interfaces define a contract for classes to implement methods

A relation has cells that hold multi-value entries.

1 Mark(s)

Your Answer:

True True
False False

What is the output of print(k) in the following Python code snippet? k = [print(i) for i in my_string if i not in "aeiou"] print(k)

1 Mark(s)

Your Answer:

all characters of my_string that aren't vowels
a list of Nones a list of Nones
list of Trues list of Trues
list of Falses list of Falses

Which diagram shows the configuration of run-time processing elements ?

1 Mark(s)

Your Answer:

Deployment diagram Deployment diagram
Component diagram Component diagram
Node diagram Node diagram
ER-diagram ER-diagram

In Sqoop, what is the purpose of the "--direct" option in an import command?

1 Mark(s)

Your Answer:

Disable data compression Disable data compression
Enable incremental data transfer Enable incremental data transfer
Use direct mode for data transfer Use direct mode for data transfer
Specify the target directory for the imported data

What is the problem statement for the N Queens problem?

1 Mark(s)

Your Answer:

To put N queens on an NxN chessboard so that no two queens attack each other.
The minimum quantity of chess board squares will be calculated if we place the queens on the N*N chess board.
To check the total number of queens that can be positioned in an N×N chessboard
Determine a board of size N×N presenting the shortest route that a queen can follow to get from one position to another.

Which of the following shortcut key is used to open the Special Paste Dialog Box?

1 Mark(s)

Your Answer:

Ctrl + Tab + C Ctrl + Tab + C
Ctrl + Alt + Shift Ctrl + Alt + Shift
Ctrl + Alt + V Ctrl + Alt + V
Ctrl + Alt + Enter Answer Ctrl + Alt + Enter Answer

The stem of plant make food instead of leaves if they lack leaves like:

1 Mark(s)

Your Answer:

cactus cactus
apple tree apple tree
rose plant rose plant
conifers conifers

The first generation computer used __________________ for circuitry ?

1 Mark(s)

Your Answer:

Transistor Transistor
IC IC
Magnetic Core Magnetic Core
Vaccum Tubes Vaccum Tubes

Which one of the following refers to the model regularities or to the objects that trends or not consistent with the change in time?

1 Mark(s)

Your Answer:

Prediction Prediction
Evolution analysis Evolution analysis
Classification Classification
Both A and B Both A and B

Shift, Alt and Ctrl keys are called:

1 Mark(s)

Your Answer:

numeric keys numeric keys
alphanumeric keys alphanumeric keys
function keys function keys
modifier keys modifier keys

In C++, what happens if a derived class inherits multiple base classes and each base class contains a member with the same name?

1 Mark(s)

Your Answer:

The member of the derived class must explicitly specify which base class member to access
The member of the derived class will access the member from the base class with the same name
A compilation error occurs A compilation error occurs
The member of the derived class accesses all members with the same name from all base classes

In PC, which shortcut key is used to select all text?

1 Mark(s)

Your Answer:

F2 F2
F5 F5
Ctrl+D Ctrl+D
Ctrl+A Answer Ctrl+A Answer

The state of matter includes:

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Your Answer:

solid solid
liquid liquid
gas gas
all of above all of above

A common use of subqueries is to perform tests for set membership, and:

1 Mark(s)

Your Answer:

Set comparisons Set comparisons
Set cardinality Set cardinality
Both A and B Both A and B
Select distinct values Select distinct values

What is HBase in the context of Hadoop?

1 Mark(s)

Your Answer:

A NoSQL distributed database for large-scale data storage
A storage format in Hadoop A storage format in Hadoop
A query language for HBase A query language for HBase
A distributed file system A distributed file system

The process of breaking down food into smaller molecules is known as:

1 Mark(s)

Your Answer:

digestion digestion
breakage breakage
crushing crushing
grinding grinding

Hungarian notation is:

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Your Answer:

A rule for naming variables A rule for naming variables
A notation for namespace declaration A notation for namespace declaration
For conversion of variables For conversion of variables
a and b a and b

Which of the following commands is called as three-finger salute in computers ?

1 Mark(s)

Your Answer:

Ctrl + Alt + Delete Ctrl + Alt + Delete
Ctrl + Shift + Escape Ctrl + Shift + Escape
Ctrl + Shift + Enter Ctrl + Shift + Enter
Ctrl + Alt + Arrow key Ctrl + Alt + Arrow key

What does os.fchmod(fd, mode) do?

1 Mark(s)

Your Answer:

change permission bits of the file change permission bits of the file
change permission bits of the directory change permission bits of the directory
change permission bits of either the file or the directory
none of the mentioned none of the mentioned

Which of these method waits for the thread to terminate?

1 Mark(s)

Your Answer:

sleep() sleep()
isAlive() isAlive()
join() join()
stop() stop()

If the directive session.cookie_lifetime is set to 3600, the cookie will live until.

1 Mark(s)

Your Answer:

3600 sec 3600 sec
3600 min 3600 min
3600 hrs 3600 hrs
the browser is restarted the browser is restarted

What is the purpose of the Monitor.Enter() and Monitor.Exit() methods in C#?

1 Mark(s)

Your Answer:

To acquire and release an exclusive lock on an object
To create a new thread To create a new thread
To pause and resume the execution of a thread
To terminate a thread To terminate a thread

What will be the output? class A extends Thread{ public void run(){ for(int i=0; i

1 Mark(s)

Your Answer:

0 0 0 0
Compilation error, class A has no start method
0 1 0 1
Compilation succeed but runtime exception
None of these None of these

A single point on a computer screen is called__________?

1 Mark(s)

Your Answer:

Cell Cell
Bit Bit
Pixel Pixel
Element Element

The microkernel architecture facilitates:

1 Mark(s)

Your Answer:

Functionality Functionality
Extensibility Extensibility
Reliability Reliability
Portability Portability

How many properties are there in the interface PerformanceTiming?

1 Mark(s)

Your Answer:

21 21
22 22
23 23
24 24

Which of the following is equal to 4 bits?

1 Mark(s)

Your Answer:

Byte Byte
Nibble Nibble
Record Record
All of the above All of the above

How is the maximum value of a numeric vector calculated in R using the max() function?

1 Mark(s)

Your Answer:

max(vector) max(vector)
maximum(vector) maximum(vector)
vectorMax(vector) vectorMax(vector)
max_value(vector) max_value(vector)

________ is an object-oriented interface that encapsulates data-server functionality.

1 Mark(s)

Your Answer:

ODBC ODBC
OLE DB OLE DB
JPCD JPCD
ADO ADO

In the Longest Mask Matching (LMM), three entries are 127, 126, 124, the first entry should be:

1 Mark(s)

Your Answer:

124 124
126 126
127 127
127 and 124 127 and 124

What is the purpose of encapsulation in C#?

1 Mark(s)

Your Answer:

To make the class public To make the class public
To expose the internal state of an object
To hide the internal state of an object To hide the internal state of an object
To destroy the object To destroy the object

The role of the ETL process is to identify erroneous data and to fix them.

1 Mark(s)

Your Answer:

True True
False False

What will be the output of the following Python code? a = [1, 2, 3, 4, 5] b = lambda x: (b (x[1:]) + x[:1] if x else []) print(b (a))

1 Mark(s)

Your Answer:

1 2 3 4 5 1 2 3 4 5
[5,4,3,2,1] [5,4,3,2,1]
[] []
Error, lambda functions can't be called recursively

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JavaScript Mock Test 9 : Question 1 of 47