In case of ordinary int variables:

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

Answer : A

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1) Which of the following is not a valid variable name declaration?

2) A declaration "short int" is used for variable

Which have short duration in a program

Which have short names

Which may require less storage than normal integers

All of the above

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

4) All keywords in C are in

LowerCase letters

UpperCase letters

CamelCase letters

None

5) The declaration "unsigned u" indicates:

u is an unsigned character

u is an unsigned integer

u is a character

None of the above