Web Application Development MCQs with Answers
Practice important Web Application Development MCQs with answers and explanations.
Chapter: 5
Q61:
What will be the output of <?php $num1 = 10; $num2 = 20; if ($num1 > $num2) echo "Num1"; elseif ($num1 < $num2) echo "Num2"; else echo "Equal"; ?>?
A. Num1
B. Num2
C. Equal
D. Nothing
Correct Answer:
B
Chapter: 5
Q62:
Fill in the blank: In a switch statement, each case block should end with a _______ to prevent falling through to the next case.
A. continue
B. break
C. return
D. exit
Correct Answer:
B
Chapter: 5
Q63:
What is the purpose of the else block in an if-else statement?
A. To execute code if the if condition is true
B. To execute code if the if condition is false
C. To execute code in all cases
D. To handle errors
Correct Answer:
B
Chapter: 5
Q64:
Fill in the blank: When using multiple if statements, each condition is checked _______.
A. simultaneously
B. sequentially
C. randomly
D. only if previous conditions fail
Correct Answer:
B
Chapter: 6
Q65:
What type of loop is used when the number of iterations is known beforehand?
A. for loop
B. while loop
C. do-while loop
D. foreach loop
Correct Answer:
A
Chapter: 6
Q66:
Fill in the blank: In a for loop, the third part of the loop structure is used for _______.
A. initialization
B. condition
C. increment/decrement
D. termination
Correct Answer:
C
Chapter: 6
Q67:
What will be the output of the following for loop? <?php for($i = 0; $i < 3; $i++) { echo $i; } ?>
A. 12
B. 123
C. 0, 1, 2
D. 0 1 2
Correct Answer:
A
Chapter: 6
Q68:
Fill in the blank: The do-while loop guarantees that the loop body will be executed at least _______.
A. once
B. twice
C. three times
D. four times
Correct Answer:
A
Chapter: 6
Q69:
What will be the output of <?php $i = 5; while ($i > 0) { echo $i-- . " "; } ?>?
A. 5 4 3 2 1
B. 4 3 2 1
C. 5 4 3 2 1 0
D. 5 4 3 2
Correct Answer:
A
Chapter: 6
Q70:
Fill in the blank: In a for loop, if the condition is false at the beginning, the loop _______.
A. will terminate immediately
B. will execute once
C. will continue executing indefinitely
D. will result in an error
Correct Answer:
A
Chapter: 6
Q71:
What is the output of <?php $a = array(1, 2, 3); foreach ($a as $value) { echo $value; } ?>?
A. 123
B. 1 2 3
C. Array
D. 1,2,3
Correct Answer:
A
Chapter: 6
Q72:
Fill in the blank: The do-while loop executes the code block _______ checking the condition.
A. after
B. before
C. every iteration
D. in a loop
Correct Answer:
A
Chapter: 6
Q73:
What will be the output of <?php $i = 0; for (; $i < 3; $i++) { echo $i . " "; } ?>?
A. 0 1 2
B. 1 2 3
C. 0 1 2 3
D. 1 2 3
Correct Answer:
A
Chapter: 6
Q74:
Fill in the blank: The while loop will continue executing as long as the _______ is true.
A. initialization
B. condition
C. increment/decrement
D. code block
Correct Answer:
B
Chapter: 7
Q75:
What does the include statement in PHP do?
A. Executes code from another file
B. Defines a new variable
C. Deletes a file
D. Formats date/time
Correct Answer:
A
Chapter: 7
Q76:
Fill in the blank: The date() function in PHP can format a timestamp to a more _______.
A. readable date and time
B. secure format
C. encrypted format
D. machine-readable format
Correct Answer:
A
Chapter: 7
Q77:
What is the output of <?php echo date("Y-m-d"); ?> if today’s date is September 1, 2024?
A. 45536
B. 45300
C. 45536
D. 45536
Correct Answer:
A
Chapter: 7
Q78:
Fill in the blank: To automatically update the copyright year on a website, use date("Y") with _______.
A. © 2010-
B. © 2024-
C. © 2000-
D. © 1990-
Correct Answer:
A
Chapter: 7
Q79:
What is the purpose of the date_default_timezone_set() function in PHP?
A. To set the default timezone for date/time functions
B. To format date and time
C. To create a new cookie
D. To include another PHP file
Correct Answer:
A
Chapter: 7
Q80:
Fill in the blank: Cookies in PHP are used to _______ users.
A. identify
B. delete
C. format dates
D. include files
Correct Answer:
A