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1.
In Perl, __________________________ is a collection of values that are separated by commas and enclosed in parantheses.
2.
In Perl, qw stands for __________________________________________________.
3.
In Perl, what happens when changes are made to a control variable that is inside a loop?
4.
In Perl, which of the following interfaces is used to connect multiple databases?
5.
What is the output of the following Perl code:
$x = 10;
$result = ($x++) * 2;
print($result);
$result = ($x++) * 2;
print($result);
6.
What is the output of the following Perl code:
$pvt = Calculation(5, 5);
print("Result = $pvt ");
sub Calculation {
my($fstVar, $secndVar) = @_;
my $square = sub {
return ($_[0] * * 2);
};
return ( & $square($fstVar) + & $square($secndVar));
};
print("Result = $pvt ");
sub Calculation {
my($fstVar, $secndVar) = @_;
my $square = sub {
return ($_[0] * * 2);
};
return ( & $square($fstVar) + & $square($secndVar));
};
7.
In Perl, which of the following interpolates variables and special characters?
8.
In Perl, which of the following escape sequences backslashes all alphanumeric characters?
9.
What is the output of the following Perl code:
@
days = ("Tuesday", "Monday", "Thursday", "Friday", "Saturday", "Sunday", "Wednesday");
print $days[-2];
print $days[-6];
days = ("Tuesday", "Monday", "Thursday", "Friday", "Saturday", "Sunday", "Wednesday");
print $days[-2];
print $days[-6];
10.
What is the output of the following Perl code:
@
var_abc = (1..9);
print "@var_abc ";
var_abc = (1..9);
print "@var_abc ";