Question

11. Explain the following terms:
(i) Variable
(ii) Tokens
(iii) Debugging
(iv) Constant
(v) Comment
(vi) Keyword​

Answer 1

1) A variable is a reserved memory location to store values.

2) Breaking of each logical line into a sequence of elementary lexical              components known as token.

3) It refers to fixing or debug the error occurred during running program.

4) Constants are usually declared and assigned in a module.

5) A comment may appear at the start of a line or following whitespace or code, but not within a string literal.

6) Keywords are the reserved words. We cannot use a keyword as a variable name, function name or any other identifier.

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