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Scalar variables in Perl are ___

43. Scalar variables in Perl are ___.

1. Array values
2. A Single unit of data
3. String Values
4. All of these

Answer: B) A Single unit of data

Explanation:

Scalar variables in Perl are a single unit of data. Different types of scalars in Perl are string, character, floating point, large group of string, webpage, etc.