C Language MCQ - English
Variable name resolving (number of significant characters for uniqueness of vari
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Variable name resolving (number of significant characters for uniqueness of variable) depends on
Compiler and linker implementations
Assemblers and loaders implementations
C language
None
Answer : A
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1) Which of the following is not a valid C variable name?
2) The declaration "unsigned u" indicates:
3) A constant cannot be used except:
For assigning initial value to a variable
With ++ operator
As a formal argument
On LHS of an assignment operator
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4) 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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5) 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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