Perl Online Quiz



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 2 - Which of the following variable context only happens inside quotes, or things that work like quotes?

A - Interpolative

B - List

C - Boolean

D - Void.

Answer : A

Explanation

Interpolative − This context only happens inside quotes, or things that work like quotes.

Q 3 - Which of the following method shifts the first value of the array off and returns it, shortening the array by 1 and moving everything down?

A - push @ARRAY, LIST

B - pop @ARRAY

C - shift @ARRAY

D - unshift @ARRAY, LIST

Answer : C

Explanation

shift @ARRAY − Shifts the first value of the array off and returns it, shortening the array by 1 and moving everything down.

Answer : A

Explanation

Adding a new key/value pair can be done with one line of code using simple assignment operator.

Q 5 - Which of the following statement jumps to the statement labeled with LABEL and resumes execution from there?

A - goto LABEL

B - goto EXPR

C - goto &NAME

D - None of the above.

Answer : A

Explanation

goto LABEL − The goto LABEL form jumps to the statement labeled with LABEL and resumes execution from there.

Q 6 - Which of the following operator returns true if the left argument is stringwise equal to the right argument?

A - eq

B - ne

C - cmp

D - ge

Answer : A

Explanation

eq − Returns true if the left argument is stringwise equal to the right argument.

Q 7 - Which of the following operator returns -1, 0, or 1 depending on whether the left argument is stringwise less than, equal to, or greater than the right argument?

A - eq

B - ne

C - cmp

D - ge

Answer : C

Explanation

cmp − Returns -1, 0, or 1 depending on whether the left argument is stringwise less than, equal to, or greater than the right argument.

Q 8 - Parameters of a function can be acessed inside the function using the special array @_?

A - true

B - false

Answer : A

Explanation

Parameters can be acessed inside the function using the special array @_. Thus the first argument to the function is in $_[0], the second is in $_[1], and so on.

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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