Q. Identify which of the following are declarations


1 :
extern int x;


2 :
float square ( float x ) { ... }


3 :
double pow(double, double);

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Q. Which of the following is correct about err used in the declaration given below?
typedef enum error { warning, test, exception } err;

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Q. Which of the structure is incorrcet?

1 :
struct aa
{
int a;
float b;
};

2 :
struct aa
{
int a;
float b;
struct aa var;
};

3 :
struct aa
{
int a;
float b;
struct aa *var;
};

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Q. Which of the structure is correct?


1 :
struct book
{
char name[10];
float price;
int pages;
};


2 :
struct aa
{
char name[10];
float price;
int pages;
}


3 :
struct aa
{
char name[10];
float price;
int pages;
}

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Q. 1 :
typedef long a;extern int a c;

2 :
typedef long a;extern a int c;

3 :
typedef long a;extern a c;

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Q. Which of the following is the correct order of evaluation for the below expression?z = x + y * z / 4 % 2 - 1

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Q. Which of the following is the correct order if calling functions in the below code?
a = f1(23, 14) * f2(12/4) + f3();

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Q. Which of the following are unary operators in C?

1. !
2. sizeof
3. ~
4. &&

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Q. In which order do the following gets evaluated

1. Relational
2. Arithmetic
3. Logical
4. Assignment

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Q. In which numbering system can the binary number 1011011111000101 be easily converted to?

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Q. Which bitwise operator is suitable for turning off a particular bit in a number?

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Q. Which bitwise operator is suitable for turning on a particular bit in a number?

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Q. Which bitwise operator is suitable for checking whether a particular bit is on or off?

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Q. What are the different types of real data type in C ?

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Q. What will you do to treat the constant 3.14 as a long double?

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Q. Which of the following range is a valid long double (Turbo C in 16 bit DOS OS) ?

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Q. We want to round off x, a float, to an int value, The correct way to do is

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Q. The binary equivalent of 5.375 is

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Q. A float occupies 4 bytes. If the hexadecimal equivalent of these 4 bytes are A, B, C and D, then when this float is stored in memory in which of the following order do these bytes gets stored?

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Q. What will you do to treat the constant 3.14 as a float?

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