Perl MCQs with answers Page - 5

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📊 Perl
Q. Is boolean type provided in Perl?
  • (A) Yes
  • (B) No
  • (C) ---
  • (D) ---
💬 Discuss
✅ Correct Answer: (B) No

Explanation: There is no boolean type in Perl.

📊 Perl
Q. What will be the output of the following Perl code?
Code: 
$m = 2;

if ($m){
    print "True";
}
else{
    print "False";
}
  • (A) True
  • (B) False
  • (C) Error
  • (D) None of these
💬 Discuss
✅ Correct Answer: (A) True
📊 Perl
Q. Which of these is the 'True' value in Perl?
  • (A) ""
  • (B) 0
  • (C) 5
  • (D) All of these
💬 Discuss
✅ Correct Answer: (C) 5

Explanation: All value greater than 0 are true in Perl.

📊 Perl
Q. Which of the following is a type of operator in Perl?
  • (A) Arithmetic Operator
  • (B) Relational Operator
  • (C) Ternary Operator
  • (D) All of these
💬 Discuss
✅ Correct Answer: (D) All of these

Explanation: Types of operators:

Arithmetic Operator
Relation Operator
Logical Operator
Bitwise Operator
Assignment Operator
Ternary Operator

📊 Perl
Q. Logical operators in Perl are ___.
  • (A) Used to compare values
  • (B) Used to combine conditions
  • (C) Used to perform arithmetic operations
  • (D) None of these
💬 Discuss
✅ Correct Answer: (B) Used to combine conditions

Explanation: Logical operators in Perl are used to combine multiple conditions.

📊 Perl
Q. The result of the following operation is
Code: 
100 << 3
  • (A) 001
  • (B) 300
  • (C) 800
  • (D) Error
💬 Discuss
✅ Correct Answer: (C) 800

Explanation: The "<<" is a binary left shift operator, if left shifts the bits of the first operand, the second operand decides the number of places to shift.

📊 Perl
Q. Which of the following is a valid assignment operator in Perl?
  • (A) =
  • (B) ==
  • (C) +=
  • (D) %=
💬 Discuss
✅ Correct Answer: (B) ==

Explanation:
= is simple assignment operator
+= is addition assignment operator
%= is remainder assignment operator

📊 Perl
Q. What will be the output of the following Perl code?
Code: 
$val1 = 5;
$val2 = 10;

$result = $val1 == $val2 ? $val1 : $val2;

print "$result"
  • (A) 5
  • (B) 15
  • (C) 10
  • (D) 20
💬 Discuss
✅ Correct Answer: (C) 10
📊 Perl
Q. 'x' operator on string used to?
  • (A) Add x character to the string
  • (B) Repeat the given string multiple times
  • (C) Add two strings
  • (D) None of these
💬 Discuss
✅ Correct Answer: (B) Repeat the given string multiple times

Explanation: The "x" operator in Perl strings is used to repeat the given string multiple times.

📊 Perl
Q. Is auto increment/ decrement operator valid in Perl?
  • (A) Yes
  • (B) No
  • (C) ---
  • (D) ---
💬 Discuss
✅ Correct Answer: (A) Yes

Explanation: In Perl, auto increment / decrement operator are used to increase or decrease values.

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