Variable name resolving (number of significant characters for uniqueness of vari

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 variable name declaration?

2) 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

3) Which of the following cannot be a variable name in C?

volatile

true

friend

export

4) The declaration "unsigned u" indicates:

u is an unsigned character

u is an unsigned integer

u is a character

None of the above

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