Perl MCQs with answers Page - 4

Dear candidates you will find MCQ questions of Perl here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
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📊 Perl
Q. What is the facility that allows nesting one select statement into another?
  • (A) nesting
  • (B) binding
  • (C) subquerying
  • (D) encapsulating
💬 Discuss
✅ Correct Answer: (C) subquerying
📊 Perl
Q. The Perl DBI is _____________
  • (A) database inheritance
  • (B) database integrity
  • (C) database interface
  • (D) database isolation
💬 Discuss
✅ Correct Answer: (C) database interface
📊 Perl
Q. Select comparison operator from the options.
  • (A) *=
  • (B) &&
  • (C) !=
  • (D) =
💬 Discuss
✅ Correct Answer: (C) !=
📊 Perl
Q. What will be printed by the code below? my $val = {}; print ref($val);
  • (A) empty value
  • (B) Array
  • (C) Hash
  • (D) Scalar
💬 Discuss
✅ Correct Answer: (C) Hash
📊 Perl
Q. It is often more convenient to save perl program files with ____ extension
  • (A) .gp
  • (B) .sh
  • (C) .awk
  • (D) .pl
💬 Discuss
✅ Correct Answer: (D) .pl
📊 Perl
Q. Which of the following is used in perl?
  • (A) else if
  • (B) elseif
  • (C) elsif
  • (D) elif
💬 Discuss
✅ Correct Answer: (C) elsif
📊 Perl
Q. Language which features rich text processing capabilities and flexibility is
  • (A) Perl
  • (B) C
  • (C) Visual Basic
  • (D) Ada
💬 Discuss
✅ Correct Answer: (A) Perl
📊 Perl
Q. When a string is used for numeral computations, perl converts it into
  • (A) character
  • (B) floating point number
  • (C) number
  • (D) boolean value
💬 Discuss
✅ Correct Answer: (C) number
📊 Perl
Q. Advantages of encapsulation are
  • (A) Data hiding
  • (B) Reusability
  • (C) Ease of testing
  • (D) All of these
💬 Discuss
✅ Correct Answer: (D) All of these

Explanation: Advantages of Encapsulation are -

Data Hiding
Increasing Flexibility
Reusability
Testing code is easy

📊 Perl
Q. Which statement is used to enable strict mode in Perl?
  • (A) Strict mode;
  • (B) use strict;
  • (C) use strict mode;
  • (D) None of these
💬 Discuss
✅ Correct Answer: (B) use strict;

Explanation: The syntax to enable strict mode in Perl is,

Use strict

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