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.
Answer : D
Explanation
All of the above options are correct.
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Answer : A
Explanation
Scalar − Assignment to a scalar variable evaluates the right-hand side in a scalar context.
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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.
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Q 4 - Which of the following statement causes the loop to skip the remainder of its body and immediately retest its condition prior to reiterating?
A - next
B - last
C - continue
D - redo
Answer : A
Explanation
next statement − Causes the loop to skip the remainder of its body and immediately retest its condition prior to reiterating.
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Q 5 - Which of the following operator performs exponential (power) calculation on operators?
A - *
B - /
C - %
D - **
Answer : D
Explanation
** − Exponent − Performs exponential (power) calculation on operators.
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Q 6 - Which of the following operator returns true if the left argument is stringwise less than the right argument?
A - lt
B - gt
C - le
D - ge
Answer : A
Explanation
lt − Returns true if the left argument is stringwise less than the right argument.
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Answer : C
Explanation
qx{ } − Encloses a string with-in invert quotes.
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Answer : D
Explanation
strftime − formats date and time.
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Answer : C
Explanation
Both of the above options are correct.
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Answer : D
Explanation
You can create a reference for any subroutine by prefixing it with a backslash as follows - $ref = \&PrintHash;
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