Web Application Development MCQs with Answers
Practice important Web Application Development MCQs with answers and explanations.
Chapter: 4
Q41:
What is the basic assignment operator in PHP?
A. ==
B. +=
C. =
D. <>
Correct Answer:
C
Chapter: 4
Q42:
Fill in the blank: PHP comparison operators are used to _______ between two values.
A. assign a value
B. compare
C. increment
D. concatenate
Correct Answer:
B
Chapter: 4
Q43:
Which operator is used to perform arithmetic operations in PHP?
A. String operator
B. Comparison operator
C. Arithmetic operator
D. Logical operator
Correct Answer:
C
Chapter: 4
Q44:
Fill in the blank: The PHP operator += is an example of a _______ operator.
A. Arithmetic
B. Assignment
C. Comparison
D. Increment/Decrement
Correct Answer:
B
Chapter: 4
Q45:
What will the output be of <?php $a = 5; $a++; echo $a; ?>?
A. 5
B. 6
C. 4
D. Error
Correct Answer:
B
Chapter: 4
Q46:
Which operator is used to compare two values for equality in PHP?
A. !=
B. >
C. ==
D. .=
Correct Answer:
C
Chapter: 4
Q47:
Fill in the blank: The PHP operator ++ is used to _______ the value of a variable.
A. increment
B. decrement
C. compare
D. concatenate
Correct Answer:
A
Chapter: 4
Q48:
Which of the following is NOT a PHP arithmetic operator?
A. +
B. /
C. &
D. *
Correct Answer:
C
Chapter: 4
Q49:
Fill in the blank: To perform a logical AND operation in PHP, use the _______ operator.
A. &&
B. /
C. =
D. ++
Correct Answer:
A
Chapter: 4
Q50:
Which operator is used to concatenate strings in PHP?
A. .
B. +
C. /
D. *
Correct Answer:
A
Chapter: 4
Q51:
What will be the output of <?php $x = 10; $y = 5; $z = $x - $y; echo $z; ?>?
A. 5
B. 10
C. 15
D. 20
Correct Answer:
A
Chapter: 4
Q52:
Fill in the blank: To decrement a variable in PHP, use the _______ operator.
A. --
B. ++
C. =
D. .
Correct Answer:
A
Chapter: 5
Q53:
What does the if statement do in PHP?
A. Executes code based on multiple conditions
B. Executes code if the condition is true
C. Executes code if the condition is false
D. Executes code in all cases
Correct Answer:
B
Chapter: 5
Q54:
Fill in the blank: In PHP, the if statement should enclose multiple statements within _______.
A. parentheses
B. square brackets
C. curly braces
D. angle brackets
Correct Answer:
C
Chapter: 5
Q55:
Which PHP control structure is used to select one of several blocks of code to be executed?
A. if statement
B. switch statement
C. multiple if statements
D. while loop
Correct Answer:
B
Chapter: 5
Q56:
Fill in the blank: The switch statement in PHP is used to avoid _______ of if elseif else statements.
A. repetition
B. debugging
C. concatenation
D. complexity
Correct Answer:
A
Chapter: 5
Q57:
What will be the output of <?php $num = 10; if ($num > 5) echo "Greater"; else echo "Smaller"; ?>?
A. Greater
B. Smaller
C. Nothing
D. Error
Correct Answer:
A
Chapter: 5
Q58:
Fill in the blank: The elseif statement is used to _______ in PHP.
A. execute code if no prior conditions are true
B. execute code based on the first condition
C. handle multiple conditions
D. handle no conditions
Correct Answer:
C
Chapter: 5
Q59:
What will be the output of <?php $signal = 'Y'; switch($signal) { case 'R': echo "Red"; break; case 'Y': echo "Yellow"; break; default: echo "Invalid"; } ?>?
A. Red
B. Yellow
C. Invalid
D. Nothing
Correct Answer:
B
Chapter: 5
Q60:
Fill in the blank: Multiple if statements evaluate each condition _______.
A. sequentially
B. simultaneously
C. randomly
D. in reverse order
Correct Answer:
A