Electronics and Communication Engineering - Microprocessors - Discussion

Discussion Forum : Microprocessors - Section 1 (Q.No. 9)

Microprocessors

Which of the following is not a valid variable name in C?

1 a

a 1 2

a b 123

a b c 123

Answer: Option

Explanation:

First character must be alphabet.

Discussion:

5 comments Page 1 of 1.

Lubna said: 1 decade ago

Sir please explain how?

Madhan said: 9 years ago

Kindly explain it.

Naveen Kumar said: 9 years ago

We have to put the first variable as alphabet don't do any & operands there it's a basic form in C.

Prasu said: 7 years ago

C language in identifiers there is a rule that it should not start with a number.

Doss said: 5 years ago

Correct, similarly we can't use space between name.

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