Chapter:

140+ more mcqs Solved MCQs

in Web Technology

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Computer Applications (BCA) , Bachelor of Business Administration in Computer Applications (BBA [CA]) .

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101.	The snippet that has to be used to check if “a” is not equal to “null” is
A.	if(a!=null)
B.	if (!a)
C.	if(a!null)
D.	if(a!==null)
Answer» D. if(a!==null)

discuss

102.	Among the following, which one is a ternary operator?
A.	+
B.	:
C.	–
D.	?:
Answer» D. ?:

discuss

103.	Consider the following statements var text = "testing: 1, 2, 3"; // Sample text var pattern = /\d+/g In order to check if the pattern matches with the string “text”, the statement is
A.	text==pattern
B.	pattern.test(text)
C.	text.test(pattern)
D.	text.equals(pattern)
Answer» B. pattern.test(text)

discuss

104.	A function definition expression can be called
A.	Function prototype
B.	Function literal
C.	Function definition
D.	Function declaration
Answer» B. Function literal

discuss

105.	JavaScript is a _______________ language
A.	Object-Oriented
B.	High-level
C.	Assembly-language
D.	Object-Based
Answer» D. Object-Based

discuss

106.	A conditional expression is also called a
A.	Alternate to if-else
B.	Immediate if
C.	If-then-else statement
D.	None of the above
Answer» B. Immediate if

discuss

107.	The “var” and “function” are
A.	Keywords
B.	Declaration statements
C.	Datatypes
D.	Prototypes
Answer» B. Declaration statements

discuss

108.	The method or operator used to identify the array is
A.	isarrayType()
B.	==
C.	===
D.	typeof
Answer» D. typeof

discuss

109.	What will happen if reverse() and join() methods are used simultaneously ?
A.	Reverses and stores in the same array
B.	Reverses and concatenates the elements of the array
C.	Reverses
D.	All of the above
Answer» A. Reverses and stores in the same array

discuss

110.	The pop() method of the array does which of the following task ?
A.	decrements the total length by 1
B.	increments the total length by 1
C.	prints the first element but no effect on the length
D.	None of the above
Answer» A. decrements the total length by 1

discuss

111.	The ‘$’ present in the RegExp object is called a
A.	character
B.	matcher
C.	metacharacter
D.	metadata
Answer» C. metacharacter

discuss

112.	The regular expression to match any one character not between the brackets is
A.	[...]
B.	[^]
C.	[^...]
D.	[\D]
Answer» C. [^...]

discuss

113.	The type that specifies what kind of event occured is
A.	event type
B.	even target
C.	Both a and b
D.	None of the above
Answer» A. event type

discuss

114.	Which is the object on which the event occured or with which the event is associated?
A.	event type
B.	event target
C.	Both a and b
D.	None of the above
Answer» B. event target

discuss

115.	In general, event handler is nothing but
A.	function
B.	interface
C.	event
D.	handler
Answer» A. function

discuss

116.	When will the browser invoke the handler?
A.	Program begins
B.	Any event occurs
C.	Specified event occurs
D.	None of the above
Answer» C. Specified event occurs

discuss

117.	Which are the events that have default actions that can be canceled by event handlers?
A.	Submit and form-related events
B.	Reset and form-related events
C.	Submit and reset events
D.	None of the mentioned
Answer» C. Submit and reset events

discuss

118.	The events that represents occurrences related to the browser window are
A.	Window
B.	Element
C.	Display
D.	Handlers
Answer» A. Window

discuss

119.	Which event is fired when a document and all of its external resources are fully loaded and displayed to the user?
A.	Window
B.	Load
C.	Element
D.	Handler
Answer» B. Load

discuss

120.	Which is the opposite to the load event in JavaScript?
A.	dontload
B.	postload
C.	preload
D.	unload
Answer» D. unload

discuss

121.	When are the mouse events generated?
A.	When user clicks the mouse over a document
B.	When user moves the mouse over a document
C.	Both a and b
D.	None of the above
Answer» C. Both a and b

discuss

122.	When is the mouseover event fired?
A.	When mouse is moved over a new element
B.	When mouse is clicked
C.	When mouse is both moved and clicked
D.	None of the above
Answer» A. When mouse is moved over a new element

discuss

123.	The focus and blur events are also part of
A.	Element events
B.	Handler events
C.	Window events
D.	Scroll events
Answer» C. Window events

discuss

124.	Which syntax is used to describe elements in CSS?
A.	Protectors
B.	Selectors
C.	Both a and b
D.	None of the above
Answer» B. Selectors

discuss

125.	The C in CSS stands for
A.	Continuous
B.	Cascaded
C.	Contentional
D.	Cascading
Answer» D. Cascading

discuss

126.	When are the keyboard events fired?
A.	When user manually calls the button
B.	When user clicks a key
C.	When the user calls the modifier
D.	All of the above
Answer» A. When user manually calls the button

discuss

127.	What PHP stands for?
A.	Hypertext Preprocessor
B.	Pre Hypertext Processor
C.	Pre Hyper Processor
D.	Pre Hypertext Process
Answer» A. Hypertext Preprocessor

discuss

128.	Which of the following tags is not a valid way to begin and end a PHP code block?
A.	<% %>
B.	<? ?>
C.	<! !>
D.	<? php ?>
Answer» D. <? php ?>

discuss

129.	Variables always start with a ........ in PHP
A.	Pond-sign
B.	Yen-sign
C.	Dollar-sign
D.	Euro-sign
Answer» C. Dollar-sign

discuss

130.	What function computes the difference of arrays?
A.	array_diff
B.	diff_array
C.	arrays_diff
D.	diff_arrays
Answer» A. array_diff

discuss

131.	What functions count elements in an array?
A.	Count
B.	Size
C.	Array_Count
D.	Count_array
Answer» A. Count

discuss

132.	There are three different kind of arrays:
A.	Numeric array, String array, Multidimensional array
B.	Numeric array, Associative array, Dimensional array
C.	Numeric array, Associative array, Multidimensional array
D.	Const array, Associative array, Multidimensional array
Answer» C. Numeric array, Associative array, Multidimensional array

discuss

133.	Which array function checks if the specified key exists in the array
A.	array_key_exist()
B.	array_key_exists()
C.	array_keys_exists()
D.	arrays_key_exists()
Answer» B. array_key_exists()

discuss

134.	Which of the following DBMSs do not have a native PHP extension?
A.	MySQL
B.	IBM DB/2
C.	Microsoft SQL Server
D.	None of the above
Answer» D. None of the above

discuss

135.	In PHP in order to access MySQL database you will use:
A.	mysqlconnect() function
B.	mysql-connect() function
C.	mysql_connect() function
D.	sql_connect() function
Answer» C. mysql_connect() function

discuss

136.	PHP files have a default file extension of..
A.	.html
B.	.xml
C.	.php
D.	.ph
Answer» C. .php

discuss

137.	Which of the following is/are a PHP code editor? i) Notepad ii) Notepad++ iii) Adobe Dreamweaver iv) PDT
A.	Only iv)
B.	Only iii)
C.	i), ii) and iii)
D.	All of the above
Answer» B. Only iii)

discuss

138.	Which version of PHP introduced Try/catch Exception?
A.	PHP 4
B.	PHP 5
C.	PHP 5.3
D.	PHP 6
Answer» B. PHP 5

discuss

139.	We can use ___ to comment a single line? i) /? ii) // iii) # iv) /* */
A.	Only ii)
B.	i), iii) and iv)
C.	ii), iii) and iv)
D.	Both ii) and iv)
Answer» C. ii), iii) and iv)

discuss

140.	Which of the below statements is equivalent to $add += $add ?
A.	$add = $add
B.	$add = $add +$add
C.	$add = $add + 1
D.	$add = $add + $add + 1
Answer» B. $add = $add +$add

discuss

141.	Which of the below symbols is a newline character?
A.	\r
B.	\n
C.	/n
D.	/r
Answer» B. \n

discuss

142.	Which of the conditional statements is/are supported by PHP? i) if statements ii) if-else statements iii) if-elseif statements iv) switch statements
A.	Only i)
B.	i), ii) and iv)
C.	ii), iii) and iv)
D.	All of the above
Answer» D. All of the above

discuss

143.	Which of the looping statements is/are supported by PHP? i) for loop ii) while loop iii) do-while loop iv) foreach loop
A.	i) and ii)
B.	i), ii) and iii)
C.	All of the above
D.	None of the above
Answer» C. All of the above

discuss

144.	If $a = 12 what will be returned when ($a == 12)? 5: 1 is executed?
A.	12
B.	1
C.	Error
D.	5
Answer» D. 5

discuss

145.	Who is the father of PHP?
A.	Rasmus Lerdorf
B.	Willam Makepiece
C.	Drek Kolkevi
D.	List Barely
Answer» A. Rasmus Lerdorf

discuss

146.	What will be the output of the following php code? <?php $num = "1"; $num1 = "2"; print $num+$num1; ?>
A.	3
B.	1+2
C.	Error
D.	12
Answer» A. 3

discuss

147.	Which of following variables can be assigned a value to it? i) $3hello ii) $_hello iii) $this iv) $This
A.	All of the above
B.	Only ii)
C.	ii), iii) and iv)
D.	ii) and iv)
Answer» D. ii) and iv)

discuss

148.	What will be the output of the following PHP code? <?php $a = "clue"; $a .= "get"; echo "$a"; ?>
A.	get
B.	true
C.	false
D.	clueget
Answer» D. clueget

discuss

140+ more mcqs Solved MCQs

The snippet that has to be used to check if “a” is not equal to “null” is

Among the following, which one is a ternary operator?

Consider the following statements var text = "testing: 1, 2, 3"; // Sample text var pattern = /\d+/g In order to check if the pattern matches with the string “text”, the statement is

A function definition expression can be called

JavaScript is a _______________ language

A conditional expression is also called a

The “var” and “function” are

The method or operator used to identify the array is

What will happen if reverse() and join() methods are used simultaneously ?

The pop() method of the array does which of the following task ?

The ‘$’ present in the RegExp object is called a

The regular expression to match any one character not between the brackets is

The type that specifies what kind of event occured is

Which is the object on which the event occured or with which the event is associated?

In general, event handler is nothing but

When will the browser invoke the handler?

Which are the events that have default actions that can be canceled by event handlers?

The events that represents occurrences related to the browser window are

Which event is fired when a document and all of its external resources are fully loaded and displayed to the user?

Which is the opposite to the load event in JavaScript?

When are the mouse events generated?

When is the mouseover event fired?

The focus and blur events are also part of

Which syntax is used to describe elements in CSS?

The C in CSS stands for

When are the keyboard events fired?

What PHP stands for?

Which of the following tags is not a valid way to begin and end a PHP code block?

Variables always start with a ........ in PHP

What function computes the difference of arrays?

What functions count elements in an array?

There are three different kind of arrays:

Which array function checks if the specified key exists in the array

Which of the following DBMSs do not have a native PHP extension?

In PHP in order to access MySQL database you will use:

PHP files have a default file extension of..

Which of the following is/are a PHP code editor? i) Notepad ii) Notepad++ iii) Adobe Dreamweaver iv) PDT

Which version of PHP introduced Try/catch Exception?

We can use ___ to comment a single line? i) /? ii) // iii) # iv) /* */

Which of the below statements is equivalent to $add += $add ?

Which of the below symbols is a newline character?

Which of the conditional statements is/are supported by PHP? i) if statements ii) if-else statements iii) if-elseif statements iv) switch statements

Which of the looping statements is/are supported by PHP? i) for loop ii) while loop iii) do-while loop iv) foreach loop

If $a = 12 what will be returned when ($a == 12)? 5: 1 is executed?

Who is the father of PHP?

What will be the output of the following php code? <?php $num = "1"; $num1 = "2"; print $num+$num1; ?>

Which of following variables can be assigned a value to it? i) $3hello ii) $_hello iii) $this iv) $This

What will be the output of the following PHP code? <?php $a = "clue"; $a .= "get"; echo "$a"; ?>

Which of the conditional statements is/are supported by PHP?
i) if statements
ii) if-else statements
iii) if-elseif statements
iv) switch statements