WEB UNIT 18-22

PERL is an acronym for ___________

• Practical Extraction and Ruby Language.
• PHP Extraction and Ruby Language.
• Practical Extraction and Report Language.
• PHP Extraction and Report Language.

In PERL Save file with _______ extension.

• .perl
• .pl
• .prl
• .pr

The__________ symbol is use for Commenting the statements in PERL.

• $
• %
• *
• #

In PERL to refer a single element of an array, you will use ________ sign with the variable name followed by the index of the element in square brackets.

• @
• #
• $
• &

The ___________ statement loops as long as its conditional expression is false in PERL.

• until
• foreach
• while
• for

Perl enables you to define an exit point anywhere in the loop using a special___________ statement.

• first
• last
• next
• goto

To terminate a particular iteration of a loop, use the ______ statement in PERL.

• first
• last
• next
• goto

In PERL the ____________ statement enables you to jump to any labeled statement in the program.

• first
• last
• next
• goto

(1, 5.3, "hello", 2) In PERL the above example is called _______

• list
• scalar
• hash
• values

In PERL ,what will be the output of the following? @array = (1, 2, 3); $scalar = @array; print $scalar;

• 1,2,3
• 3
• 1