Perl Online Quiz


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Following quiz provides Multiple Choice Questions (MCQs) related to Perl. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Questions and Answers

Q 1 - Which of the following data type is suppported in Perl?

A - Scalar

B - Array

C - Hashes

D - All of the above.

Answer : D

Explanation

All of the above data types are supported in Perl.

Q 2 - Which of the following special variable represents current package name?

A - _PACKAGE_

B - Package

C - PACKAGE

D - None of the above.

Answer : A

Explanation

_PACKAGE_ -represents current package name.

Q 3 - Which of the following method pops off and returns the last value of the array?

A - push @ARRAY, LIST

B - pop @ARRAY

C - shift @ARRAY

D - unshift @ARRAY, LIST

Answer : B

Explanation

pop @ARRAY - Pops off and returns the last value of the array.

Answer : B

Explanation

To remove an element from the hash you need to use delete function.

Q 5 - Which of the following operator checks if the value of two operands are equal or not, if yes then condition becomes true?

A - ==

B - !=

C - <=>

D - >

Answer : A

Explanation

== − Checks if the value of two operands are equal or not, if yes then condition becomes true.

Q 6 - Which of the following operator checks if the value of left operand is less than the value of right operand, if yes then condition becomes true?

A - <

B - >=

C - <=

D - <=>

Answer : A

Explanation

> − Checks if the value of left operand is less than the value of right operand, if yes then condition becomes true.

Q 7 - Which of the following operator returns true if the left argument is stringwise not equal to the right argument?

A - eq

B - ne

C - cmp

D - ge

Answer : B

Explanation

ne − Returns true if the left argument is stringwise not equal to the right argument.

Answer : C

Explanation

The my operator confines a variable to a particular region of code in which it can be used and accessed. Outside that region, this variable cannot be used or accessed.

Q 9 - Which of the following function opens a file in writing mode after truncating the file?

A - open(DATA, "<file.txt");

B - open(DATA, ">file.txt");

C - open(DATA, "+<file.txt");

D - None of the above.

Answer : B

Explanation

open(DATA, ">file.txt"); − opens a file in writing mode after truncating the file.

Q 10 - Which of the following function returns a single character from the specified FILEHANDLE, or STDIN if none is specified?

A - close

B - getc

C - seek

D - None of the above.

Answer : B

Explanation

The getc function returns a single character from the specified FILEHANDLE, or STDIN if none is specified.

perl_questions_answers.htm
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