Bachelor Of Computer Science

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CS: PHP MCQs - Complete

Mathematical Constants Quizzes Online MCQs p. 68

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Solve Mathematical constants trivia questions and answers PDF, mathematical constants quiz answers worksheet 68 for online board exam 2022. Practice "PHP Math Functions" quiz with answers, mathematical constants Multiple Choice Questions (MCQ) for online . Free mathematical constants MCQs, perl compatible regular expressions, deleting from arrays, php: regular expressions, unbound variables, mathematical constants test prep for BSc computer science.

"Which mathematical constant notation is used for square root?", mathematical constants Multiple Choice Questions (MCQ) with choices sqrt (2), sqr ( ), 1/sqrt ( ), and none of them for free online classes. Learn php math functions questions and answers with free online certification courses for online computer science schools.

Mathematical Constants Questions and Answers

1.

Which mathematical constant notation is used for square root?

sqr ( )
sqrt (2)
1/sqrt ( )
None of them

2.

PHP is different from other languages because variables do not have to be

Bounded
Declared before being assigned
Character type
Integer type

3.

By using special wildcards for matching a string which function is used?

Strtok
Tokenizing
Delimiter
Regex

4.

For getting rid of an assigned variable in an array which function is used?

delete_array ( )
reset_array
reset ( )
unset ( )

5.

In Perl-compatible patterns any pattern that is followed by ? this means that

Match this pattern 1 or more times
Match this pattern exactly 1 time
Match this pattern 0 times
None of them

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