JavaScript Mock Test 5 - Online MCQ Exam

In Java, what is the result of the expression `new Integer(5).equals(5)`?

1 Mark(s)

Your Answer:

Compilation error Compilation error
`true` `true`
Runtime error Runtime error
None of These None of These

Which of the following is not a typical environment in communication facilitation ?

1 Mark(s)

Your Answer:

Multiple teams Multiple teams
Multiple user groups Multiple user groups
Multiple fests Multiple fests
Multiple locations Multiple locations

What is the purpose of the 'strcpy' function in C?

1 Mark(s)

Your Answer:

Copies one string to another Copies one string to another
Compares two strings Compares two strings
Searches for a substring Searches for a substring
Converts a string to an integer Converts a string to an integer

Address of information is registered in?

1 Mark(s)

Your Answer:

Accumulator Accumulator
Memory Data Register Memory Data Register
Memory Address Register Memory Address Register
Control Unit Control Unit

Which statement is true regarding abs() and labs()?

1 Mark(s)

Your Answer:

The abs() function is similar to the labs() function, except that the argument and the returned value each of them have type long int
The abs() function is not similar to the labs() function, except that the argument and the returned value in both functions have type long int
The abs() function is similar to the labs() function, except that the argument and the returned value each have type short int
The abs() function is not similar to the labs() function, except that the argument and the returned value in both function have type short int

GUI interface of the operating system is an abbreviation of:

1 Mark(s)

Your Answer:

graphics user interface graphics user interface
graphical user interface graphical user interface
graphical user interfacing graphical user interfacing
graphics user interfacing graphics user interfacing

What is the time complexity of extracting the minimum element from a min-heap?

1 Mark(s)

Your Answer:

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

How do you create a time series plot in R for a numeric variable values with corresponding time points time?

1 Mark(s)

Your Answer:

time_series(values ~ time) time_series(values ~ time)
plot_time_series(values, time) plot_time_series(values, time)
geom_line(mapping = aes(x = time, y = values))
tsplot(values, time) tsplot(values, time)

How do you open the Header and Footer toolbar in MS Word?

1 Mark(s)

Your Answer:

On the Insert tab, click Header and Footer
Right-click any toolbar and click Header and Footer
On the View tab, click Toolbars and select Header and Footer from the list of toolbars
None of these None of these

For testing we should use . . . . . . . .

1 Mark(s)

Your Answer:

document.write() document.write()
console.log() console.log()
window.alert() window.alert()
innerHTML innerHTML

Which keyword is used to define a constant variable in C++?

1 Mark(s)

Your Answer:

static static
volatile volatile
const const
fixed fixed

Consider the following code snippet var sets = com.davidflanagan.collections.sets;

1 Mark(s)

Your Answer:

Importing a single module Importing a single module
Importing a module partially Importing a module partially
Importing a namespace Importing a namespace
Importing the entire module Importing the entire module

What will be the output of the following Python statement? >>>chr(ord('A'))

1 Mark(s)

Your Answer:

A A
B B
a a
Error Error

A supertype is an entity type that shares common attributes or relationships distinct from other subgroupings.

1 Mark(s)

Your Answer:

True True
False False

What is the correct way to access structure members through a pointer in C++?

1 Mark(s)

Your Answer:

Using the star operator (*) Using the star operator (*)
Using the double colon operator (::) Using the double colon operator (::)
Using the dot operator (.) Using the dot operator (.)
Using the arrow operator (->) Using the arrow operator (->)

Variations in sliver mass in drawframe are detected by:

1 Mark(s)

Your Answer:

measurement device measurement device
variation device variation device
correction scale correction scale
measurement scale measurement scale

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

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Your Answer:

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

What is the primary difference between C and C++?

1 Mark(s)

Your Answer:

C is faster C is faster
C++ supports OOP C++ supports OOP
C++ has no pointers C++ has no pointers
C is interpreted C is interpreted

What will be the output of the following Python code? str = input("Enter your input: "); print "Received input is : ", str

1 Mark(s)

Your Answer:

Enter your input: [x*5 for x in range(2,10,2)] Received input is : [x*5 for x in range(2,10,2)]
Enter your input: [x*5 for x in range(2,10,2)] Received input is : [10, 30, 20, 40]
Enter your input: [x*5 for x in range(2,10,2)] Received input is : [10, 10, 30, 40]
None of the mentioned None of the mentioned

Which of the following is keyboard input element?

1 Mark(s)

Your Answer:

<kbd> <kbd>
<dfn> <dfn>

The light pen was developed in_________________?

1 Mark(s)

Your Answer:

1950 1950
1942 1942
1948 1948
1956 1956

The memory_limit is only applicable if _______ is enabled when you configure PHP. Fill in the blank.

1 Mark(s)

Your Answer:

–enable-limit –enable-limit
-enable-memory-limit -enable-memory-limit
–enable-memory-limit –enable-memory-limit
-memory-limit -memory-limit

Choose ".NET class" name from which data type "UInt" is derived?

1 Mark(s)

Your Answer:

System.Int16 System.Int16
System.UInt32 System.UInt32
System.UInt64 System.UInt64
System.UInt16 System.UInt16

There are some restrictions on the recursive query in a recursive view, the query should be:

1 Mark(s)

Your Answer:

Increased and decreasing Increased and decreasing
Stable Stable
Static Static
Monotonic Monotonic

When a gas is cooled or compressed it becomes a:

1 Mark(s)

Your Answer:

solid solid
gas gas
liquid liquid
semi-solid semi-solid

What does the slice_before method do in Ruby enumerators?

1 Mark(s)

Your Answer:

Slices a collection based on a given condition
Removes elements from a collection before a given condition
Removes elements from a collection after a given condition
Splits a collection into slices before elements that satisfy a given condition

In Message Integrity, Secure Hash Algorithm 1 (SHA-l) hash algorithms create an N-bit message-digest out of a message of:

1 Mark(s)

Your Answer:

512 bit blocks 512 bit blocks
1001 bit blocks 1001 bit blocks
1510 bit blocks 1510 bit blocks
2020 bit blocks 2020 bit blocks

Multiple inheritance leaves room for a derived class to have:

1 Mark(s)

Your Answer:

dynamic members dynamic members
private members private members
public members public members
ambiguous members ambiguous members

How many strategies are followed to solve a dynamic equivalence problem?

1 Mark(s)

Your Answer:

1 1
2 2
3 3
4 4

. . . . . . . . is a software development collaboration tool.

1 Mark(s)

Your Answer:

Buildr Buildr
Cassandra Cassandra
Bloodhound Bloodhound
All of the mentioned All of the mentioned

Which control structure is used to repeatedly execute a block of code in C?

1 Mark(s)

Your Answer:

for loop for loop
if statement if statement
switch case switch case
while loop while loop

Which of the following functions return absolute value of a variable?

1 Mark(s)

Your Answer:

Abs() Abs()
Absolute() Absolute()
absolutevariable() absolutevariable()
None of the mentioned None of the mentioned

Which of the following TCP/IP protocol is used for transferring electronic mail messages from one machine to another?

1 Mark(s)

Your Answer:

FTP FTP
SNMP SNMP
SMTP SMTP
RPC RPC
None of the above None of the above

Are the following: myVariable MyVariable MYVARIABLE:

1 Mark(s)

Your Answer:

Same variable names Same variable names
Valid variable names Valid variable names
Different variable names Different variable names
Both c and d Both c and d

In Access to reduce the height of the selected control

1 Mark(s)

Your Answer:

SHIFT+RIGHT ARROW SHIFT+RIGHT ARROW
SHIFT+DOWN ARROW SHIFT+DOWN ARROW
DOWN ARROW or CTRL+DOWN ARROW DOWN ARROW or CTRL+DOWN ARROW
None of these None of these

What will be the output of the following PHP code ? <?php $x; for ($x = -3; $x 5; ++$x) { print ++$x; } ?>

1 Mark(s)

Your Answer:

-3-4-5 -3-4-5
-3-4 -3-4
infinite loop infinite loop
no output no output

What does the "ref" keyword allow in C#?

1 Mark(s)

Your Answer:

Returning multiple values Returning multiple values
Passing parameters by reference Passing parameters by reference
Passing parameters by pointer Passing parameters by pointer
None of the above None of the above

Which method is commonly used to assert that a certain exception is raised in RSpec?

1 Mark(s)

Your Answer:

assert_raises(ExceptionClass) { ... } assert_raises(ExceptionClass) { ... }
expect { ... }.to throw_symbol(:exception_symbol)
expect { ... }.to raise_error(ExceptionClass)
assert_throw(:exception_symbol) { ... } assert_throw(:exception_symbol) { ... }

An organ which is the most important articulator of speech is:

1 Mark(s)

Your Answer:

eyes eyes
nose nose
tongue tongue
face face

What does the span of time waiting for the page to be useful depend on?

1 Mark(s)

Your Answer:

Runtime performance Runtime performance
Web performance Web performance
Speed Speed
None of the mentioned None of the mentioned

In real-time interactive audio-video, data are stored in the buffer at a possibly variable:

1 Mark(s)

Your Answer:

pixels pixels
packets packets
rates rates
bytes bytes

To add a header or footer to your handout, you can use

1 Mark(s)

Your Answer:

The title master The title master
The slide master The slide master
The handout master The handout master
All of above All of above

Which of the following markup is correct? i. is in error as tags cross ii. is not since tags nest

1 Mark(s)

Your Answer:

i i
ii ii
i and ii i and ii
None of the mentioned None of the mentioned

Which of the following is a thread management library in C++?

1 Mark(s)

Your Answer:

pthread pthread
std::thread std::thread
thread.h thread.h
concurrent.h concurrent.h

What is the purpose of the gem uninstall gem_name -I command in Ruby?

1 Mark(s)

Your Answer:

Removes all installed versions of the gem
Installs the gem without checking for dependencies
Uninstalls the gem without removing its dependencies
Reinstalls the gem without updating the Gemfile.lock

Which is the true statement with respect to the function longjmp()?

1 Mark(s)

Your Answer:

the function where setjmp() was called has terminated, then the results are undefined
the function where setjmp() was called has terminated, then the results are defined
the function where jmp_buf was called has terminated, then the results are undefined
the function where jmp_buf was called has terminated, then the results are defined

Inverse Laplace transform of F(s)=(4s+32)/(s2-16) is:

1 Mark(s)

Your Answer:

4cos4t+8sin4t 4cos4t+8sin4t
4sin4t+8sin4t 4sin4t+8sin4t
4cosh4t+8sin4t 4cosh4t+8sin4t
4cosh4t+8sinh4t 4cosh4t+8sinh4t

Which of the following is correct to assign pointer to pointer?

1 Mark(s)

Your Answer:

**p = &a; **p = &a;
int *q = &p; int *q = &p;
int **q = &p; int **q = &p;
int &q = &p; int &q = &p;

If the value of the code subfield of control field for S frame is 00, it is:

1 Mark(s)

Your Answer:

Selective Reject S-frame Selective Reject S-frame
Reject S-frame Reject S-frame
Receive Not Ready S-frame Receive Not Ready S-frame
Receive Ready S-frame Receive Ready S-frame

Once text has been cut to the clipboard, you can ...... that text into another document

1 Mark(s)

Your Answer:

Paste Paste
Copy Copy
Transfer Transfer
None of the above None of the above

Which break is used to create different headers on different pages in MS Word?

1 Mark(s)

Your Answer:

Page Break Page Break
Column Break Column Break
Section Break Section Break
None of these None of these

__del__ method is used to destroy instances of a class.

1 Mark(s)

Your Answer:

True True
False False

Which test refers to the retesting of a unit, integration and system after modification, in order to ascertain that the change has not introduced new faults ?

1 Mark(s)

Your Answer:

Regression Test Regression Test
Smoke Test Smoke Test
Alpha Test Alpha Test
Beta Test Beta Test

SQL allows the creation of temporary tables using the command:

1 Mark(s)

Your Answer:

create temporary table create temporary table
Define temporary table Define temporary table
declare temporary table declare temporary table
modify temporary table modify temporary table

What does the character class `[A-Za-z]` match in a regular expression?

1 Mark(s)

Your Answer:

Any special character Any special character
Any uppercase or lowercase letter Any uppercase or lowercase letter
Any whitespace character Any whitespace character
None of These None of These

Atomic number of Argon is:

1 Mark(s)

Your Answer:

13 13
95 95
18 18
20 20

Which normal form allows no partial dependencies?

1 Mark(s)

Your Answer:

1NF 1NF
2NF 2NF
3NF 3NF
BCNF BCNF

Which of the following network transports doesn’t PHP support?

1 Mark(s)

Your Answer:

tcp tcp
udp udp
udg udg
pdc pdc
unix unix

Which of the following is NOT a valid HTTP status code in ASP.NET Web API?

1 Mark(s)

Your Answer:

300 (Multiple Choices) 300 (Multiple Choices)
401 (Unauthorized) 401 (Unauthorized)
502 (Bad Gateway) 502 (Bad Gateway)
204 (No Content) 204 (No Content)

In a computer, cell address is represented as:

1 Mark(s)

Your Answer:

AA23 AA23
25 25
3B 3B
C5 C5

Uniform memory access for accessing memory from any unit takes:

1 Mark(s)

Your Answer:

same time same time
different time different time
High amount of time High amount of time
Small amount of time Small amount of time

Which shortcut key will shutdown your computer?

1 Mark(s)

Your Answer:

Alt+F4 Alt+F4
Ctrl+F5 Ctrl+F5
Ctrl+F4 Ctrl+F4
Alt+F5 Alt+F5

Which shortcut key is used to lock the computer immediately in Windows?

1 Mark(s)

Your Answer:

Ctrl + Alt + Delete Ctrl + Alt + Delete
Alt + F4 Alt + F4
Windows Key + L Windows Key + L
None of these None of these

The pointer used in the mblen() function points to the . . . . . . . .

1 Mark(s)

Your Answer:

first byte of multibyte character first byte of multibyte character
last byte of multibyte character last byte of multibyte character
middle byte of multibyte character middle byte of multibyte character
no pointer is used in mblen function no pointer is used in mblen function

MySQL is pronounced "my See-quel."

1 Mark(s)

Your Answer:

True True
False False

In Ring network, Unidirectional Path-Protection Switched Ring (UPSR) uses 2 rings for working lines and Bidirectional Line Switched Ring (BLSR) uses:

1 Mark(s)

Your Answer:

4 rings 4 rings
2 rings 2 rings
6 rings 6 rings
8 rings 8 rings

SMS stands for ____?

1 Mark(s)

Your Answer:

Send Message Send Send Message Send
Short Message Service Short Message Service
Small Message Send Small Message Send
None of these None of these

Which of the following is NOT a generic type parameter in Java?

1 Mark(s)

Your Answer:

`` ``
`` ``
`` ``
None of These None of These

Home Key uses for

1 Mark(s)

Your Answer:

Moves the cursor beginning of the document
Moves the cursor beginning of the paragraph
Moves the cursor beginning of the screen
Moves the cursor beginning of the line Moves the cursor beginning of the line

In SI system the unit for speed is written as:

1 Mark(s)

Your Answer:

meter meter
meter/sec meter/sec
meter/hour meter/hour
km/sec km/sec

target attribute cannot have?

1 Mark(s)

Your Answer:

_blank _blank
_self _self
_parent _parent
_color _color

System.out.print("Good Luck" + ); This statement missed:

1 Mark(s)

Your Answer:

ln in print command ln in print command
variable after + variable after +
comma comma
single quotes single quotes

MS PowerPoint is used for _______?

1 Mark(s)

Your Answer:

Presentation Presentation
Drafting Drafting
Worksheet Worksheet
None of these None of these

The fall in the rate of photosynthesis takes place when the temperature rises above:

1 Mark(s)

Your Answer:

40 °C 40 °C
30 °C 30 °C
20 °C 20 °C
25 °C 25 °C

What is the Entity-Relationship (ER) model used for?

1 Mark(s)

Your Answer:

Coding SQL Coding SQL
Conceptual Design Conceptual Design
Physical Storage Physical Storage
User Interface User Interface

BIOS contains another set of routines, which ensure that the system is functioning properly and all expected hardware devices are present, this routine is called:

1 Mark(s)

Your Answer:

PROM PROM
EPROM EPROM
POST POST
EEPROM EEPROM

Except for one metal i.e. Mercury, rest of the metals are solids at:

1 Mark(s)

Your Answer:

oven oven
room temperature room temperature
freezing point freezing point
sunshine sunshine

Evaluating Your Answers

JavaScript Mock Test 5 : Question 1 of 77