C Programming Questions And Answers.


1.C99 standard guarantees uniqueness of characters for internal names ?
A. 31
B. 63
C. 12
D. 14

2.C99 standard guarantees uniqueness of characters for external names ?
A. 31
B. 6
C. 14
D. 16

3.Which of the following is not a valid variable name declaration ?
A. int __a3;
B. int __3a;
C. int __A3;
D. None of these

4.Which of the following is not a valid variable name declaration ?
A. int _a3;
B. int a_3;
C. int 3_a;
D. int _3a

5.Why do variable names beginning with the underscore is not encouraged ?
A. It is not standardized
B. To avoid conflicts since assemblers and loaders use such names
C. To avoid conflicts since library routines use such names
D. To avoid conflicts with environment variables of an operating system

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