Algorithms Mock Test 2 - Online MCQ Exam

Which one of the following statements should be used to include a file?

1 Mark(s)

Your Answer:

#include ‘filename’; #include ‘filename’;
include ‘filename’; include ‘filename’;
@include ‘filename’; @include ‘filename’;
#include ; #include ;

Primary author of HTML (hyper text markup language) is:

1 Mark(s)

Your Answer:

Brendan Eich Brendan Eich
Tim Berners-Lee Tim Berners-Lee
google inc. google inc.
Peter Norton Peter Norton

Way in which computer data is transmitted from one place to another is called:

1 Mark(s)

Your Answer:

transmission mode transmission mode
transfer mode transfer mode
sending mode sending mode
receiving mode receiving mode

What will be the output of the following Python code? t=32.00 [round((x-32)*5/9) for x in t]

1 Mark(s)

Your Answer:

[0] [0]
0 0
[0.00] [0.00]
Error Error

Changes in matter can be observed upon:

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Your Answer:

separating separating
filtering filtering
mixing mixing
heating heating

Which of the following pattern matching modifiers permits whitespace and comments inside the regular expression?

1 Mark(s)

Your Answer:

re.L re.L
re.S re.S
re.U re.U
re.X re.X

The specification that prohibits the insertion of a null value for the attribute, is called:

1 Mark(s)

Your Answer:

Like Null value Like Null value
Null value Null value
Not Null value Not Null value
AS Null value AS Null value

Which of the following presentation elements can you modify using the slide master?

1 Mark(s)

Your Answer:

Slide comments Slide comments
Slide transitions Slide transitions
Speaker note font and color Speaker note font and color
All of above All of above

What will be the output of the following Python code snippet? not(1030)

1 Mark(s)

Your Answer:

True True
False False
Error Error
No output No output

The notation for finding the number of tuples in a relation, the aggregate function in SQL is:

1 Mark(s)

Your Answer:

count(*) count(*)
count(@) count(@)
count(%) count(%)
count(?) count(?)

Database applications are seldom intended for use by a single user.

1 Mark(s)

Your Answer:

True True
False False

What will be the output of the program if the array begins at address 65486? #include<stdio.h> void main() { int arr[] = {12, 14, 15, 23, 45}; printf("%u, %u", arr, &arr); }

1 Mark(s)

Your Answer:

65486, 65488 65486, 65488
65486, 65490 65486, 65490
65486, 65487 65486, 65487
65486, 65486 65486, 65486
None of these None of these

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

We can replace a font on all sides with another font using the _____ option.

1 Mark(s)

Your Answer:

Format, Replace Fonts Format, Replace Fonts
Edit, Fonts Edit, Fonts
Tools, Replace Fonts Tools, Replace Fonts
None of these None of these

Stored representations of objects and events that have meaning and importance in the user's environment are known as a database.

1 Mark(s)

Your Answer:

True True
False False

Base 10 refers to which number system?

1 Mark(s)

Your Answer:

decimal decimal
octal octal
binary binary
hexadecimal hexadecimal

If we purchase any fixed asset in credit, we can pass it from

1 Mark(s)

Your Answer:

Payment mode Payment mode
Receipt mode Receipt mode
Purchase mode Purchase mode
Contra mode Contra mode

When a row of data is to be converted into columns

1 Mark(s)

Your Answer:

Copy the cells in row, select the same number of cells in row and paste
Copy the cells in column then choose Paste Special, then click Transpose and OK
Copy the cells then go to Cells then on Alignment tab click Transpose check box and click OK
Select the cells then place the cell pointer on new cell and choose Paste Special, mark Transpose check box and click OK

The header of the datagram in the Internet Protocol Version (IPv4) has:

1 Mark(s)

Your Answer:

0 to 20 bytes 0 to 20 bytes
20 to 40 bytes 20 to 40 bytes
20 to 60 bytes 20 to 60 bytes
20 to 80 bytes 20 to 80 bytes

The mode of propagation of data in 10GBase-E is:

1 Mark(s)

Your Answer:

single mode single mode
double mode double mode
multi mode multi mode
duplex mode duplex mode

In Carrier Sense Multiple Access/Collision Detection (CSMA/CD), to continue the transmission process we use a:

1 Mark(s)

Your Answer:

loop loop
station station
signal signal
navigation navigation

Assertion (A): The Full Moon rises at sunset and sets at sunrise. Reason (R): The Full Moon is directly opposite the Sun in the sky. Codes:

1 Mark(s)

Your Answer:

A) Both (A) and (R) are true, and (R) is the correct explanation of (A).
B) Both (A) and (R) are true, but (R) is not the correct explanation of (A).
C) (A) is true, but (R) is false. C) (A) is true, but (R) is false.
D) (A) is false, but (R) is true. (A) and (R) are true, and (R) is the correct explanation of (A). Keeping Time with the Skies Class 8 Fill in the blanks

The number of oxygen atoms in glucose molecule is 6 and in hydrogen molecules is:

1 Mark(s)

Your Answer:

6 6
12 12
18 18
8 8

To delete the selected text in MS Word, which key is used?

1 Mark(s)

Your Answer:

Delete Delete
Ctrl Ctrl
Alt Alt
None of these None of these

Which one of the following sorts rows in SQL?

1 Mark(s)

Your Answer:

SORT BY SORT BY
ALIGN BY ALIGN BY
ORDER BY ORDER BY
GROUP BY GROUP BY

What is not true about XSLT?

1 Mark(s)

Your Answer:

XSLT is a declarative transformation language.
XSLT uses a set of rules that govern how a document is to be materialized is created.
XSLT uses a set of procedures that specify how a document is to be programmed.
XSLT is used to transform the input document into another document.

What is the purpose of friend functions in C++?

1 Mark(s)

Your Answer:

To allow access to private and protected members of a class from outside the class
To create multiple instances of a class To create multiple instances of a class
To hide the implementation details of a class
To define functions within a class To define functions within a class

Which of the following occurs when a transaction rereads data it has previously read and finds modification or deletions caused by a committed transaction?

1 Mark(s)

Your Answer:

Nonrepeatable read Nonrepeatable read
Phantom read Phantom read
Dirty read Dirty read
Consistent read Consistent read

Which of the following constructor of class Thread is valid one?

1 Mark(s)

Your Answer:

Thread(Runnable threadOb, int priority) Thread(Runnable threadOb, int priority)
Thread(int priority) Thread(int priority)
Thread(Runnable threadOb, String threadName)
Thread(String threadName, int priority) Thread(String threadName, int priority)
None of these None of these

Melting point of Calcium is:

1 Mark(s)

Your Answer:

2830°C 2830°C
838°C 838°C
1440°C 1440°C
20°C 20°C

________ is considered to be one of the foundations of data access in the Microsoft world.

1 Mark(s)

Your Answer:

ODBC ODBC
OLE DB OLE DB
JPCD JPCD
ADO ADO

Which of the following are true regarding OSPF areas? 1. You must have separate loopback interfaces configured in each area. 2. The numbers you can assign an area go up to 65,535. 3. The backbone area is also called area 0. 4. If your design is hierarchical, then you don't need multiple areas. 5. All areas must connect to area 0.

1 Mark(s)

Your Answer:

1 only 1 only
1 and 2 only 1 and 2 only
3 and 4 only 3 and 4 only
3, 4 and 5 3, 4 and 5

Which variable type is suitable for a switch case label?

1 Mark(s)

Your Answer:

float float
char char
string string
double double

Which of these class is related to all the exceptions that cannot be caught?

1 Mark(s)

Your Answer:

Error Error
Exception Exception
RuntimeExecption RuntimeExecption
All of the mentioned All of the mentioned

What is multi-threading in C++?

1 Mark(s)

Your Answer:

A process that allows parallel execution of tasks
A process that allows a single thread to execute
A process that allows multiple processes to execute concurrently
A process that allows multiple threads to execute concurrently

What is the significance of NiFi's "LogAttribute" processor in data flow management?

1 Mark(s)

Your Answer:

A query language for Hadoop A query language for Hadoop
Log the values of specified attributes for troubleshooting
A distributed file system A distributed file system
None of the above None of the above

How can you prevent a module from executing code when imported?

1 Mark(s)

Your Answer:

By using the if __name__ == "__main__": construct
By using the noexec keyword By using the noexec keyword
By using the prevent_execute decorator By using the prevent_execute decorator
By using the not_executed function By using the not_executed function

Which tree property is used to ensure that in a B-Tree all leaves are at the same level?

1 Mark(s)

Your Answer:

B-Tree order B-Tree order
Equal key distribution Equal key distribution
Balanced height Balanced height
Uniform height Uniform height

What is the output of the code: for i in range(2, 8, 2): print(i)

1 Mark(s)

Your Answer:

2 4 6 2 4 6
2 4 8 2 4 8
2 3 4 2 3 4
2 5 8 2 5 8

What is the height of a Red-Black tree with n nodes in the worst case?

1 Mark(s)

Your Answer:

O(n) O(n)
O(log2 n) O(log2 n)
O(log n) O(log n)
O(1) O(1)

Which of the following is the symbol of standard normal PDF?

1 Mark(s)

Your Answer:

φ φ
# #
& &
* *

Which of the following measurement defines a measurement relative to a font’s x-height?

1 Mark(s)

Your Answer:

ex ex
em em
pt pt
px px

Modernizr does actually add missing functionalities to browsers save for the HTML5 tags styling support.

1 Mark(s)

Your Answer:

True True
False False

In what respect human beings are superior to computers?

1 Mark(s)

Your Answer:

Diligence Diligence
Intelligence Intelligence
Slavery Slavery
Reliability Reliability

1630°C is boiling point of:

1 Mark(s)

Your Answer:

Samarium Samarium
Scandium Scandium
Selenium Selenium
Sulfur Sulfur

Sign qualifiers can be applied to double.

1 Mark(s)

Your Answer:

True True
False False

You should save your computer from?

1 Mark(s)

Your Answer:

Viruses Viruses
Time bombs Time bombs
Worms Worms
All of the above All of the above

The Method use to remove white space from a string?

1 Mark(s)

Your Answer:

Split() Split()
Substring() Substring()
Trim() Trim()
TrimStart() TrimStart()

Which of the following operator takes only integer operands?

1 Mark(s)

Your Answer:

+ +
* *
/ /
% %
None of these None of these

Controller of the computer system transfers data from device to:

1 Mark(s)

Your Answer:

buffers buffers
cache cache
registers registers
indexes indexes

Question: Which problem does not solve the Divide and Conquer strategy?

1 Mark(s)

Your Answer:

Matrix Multiplication Matrix Multiplication
Graph Traversal Graph Traversal
Convex Hull Construction Convex Hull Construction
String Matching String Matching

What does the \d character class represent in a regular expression in Ruby?

1 Mark(s)

Your Answer:

Matches any word character Matches any word character
Matches any whitespace character Matches any whitespace character
Matches any non-digit character Matches any non-digit character
Matches any digit character Matches any digit character

To created a bulleted list, use 1. <ol> 2. <ul> 3. <il>

1 Mark(s)

Your Answer:

Option 1 Option 1
Option 2 Option 2
Option 3 Option 3
None of the above None of the above

Evaluating Your Answers

Algorithms Mock Test 2 : Question 1 of 53