C Language MCQ - English
Which of the following cannot be a variable name in C?
volatile
true
friend
export
Answer : A
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1) Variable names beginning with underscore is not encouraged. Why?
It is not standardized
To avoid conflicts since assemblers and loaders use such names
To avoid conflicts since library routines use such names
To avoid conflicts with environment variables of an operating system
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2) Which is valid C expression?
3) The declaration "unsigned u" indicates:
4) In case of ordinary int variables:
The leftmost bit is reserved for sign
The rightmost bit is reserved for sign
No bit is reserved for sign
None of the above
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5) Which of the following is not a valid variable name declaration?
