Programming Skills C/C++

A C Variable cannot start with

• A- A number

• B- A special symbol other than underscore

• C- Both A and B

• D- An Alphabet

Find the output of the following program-

void main()

{

int i=01289;

printf("%d",i);

}

• 0289

• 1289

• 713

• Syntax Error

What is the difference between a declaration and a definition of a variable?

• Both can occur multiple times, but a declaration must occur first.

• A definition occurs once, but a declaration may occur many times.

• Both can occur multiple times, but a definition must occur first.

• A declaration occurs once, but a definition may occur many times.

what will be printed by the following code?

void main()

{

short testarray[4][3] = { {1}, {2,3}, {4,5,6}};

printf("%d", sizeof(testarray));

}

Assuming a short is two bytes long.

• 24

• 18

• 12

• 6

How many times the program will print "SAIT Indore" ?

#include<stdio.h>;

int main()

{

printf("SAIT Indore");

main();

return 0;

}

• Infinite times

• 32767 times

• 65535 times

• Till stack overflows

The value printed by the following program is …………?

void f(int *p, int m)

{

m = m + 5;

p= p + m;

return;

}

void main()

{

int i=10, j=20;

f(&i , j)

printf(“%d”, i+j);

}

• 50

• 45

• 55

• 60

What would be the output of the following program.

#include<stdio.h>

main()

{

printf(“%d, %d”, sizeof(NULL), sizeof(‘ ‘));

}

• 2, 1

• 2, 2

• 0, 1

• 0, 2

What will be output if you will compile and execute the following c code?

void main()

{

int i=320;

char ptr=(char )&i;

printf("%d",*ptr);

}

• 320

• 1

• 64

• Complier Error

What will be output if you will compile and execute the following c code?

#define x 5+2

void main()

{

int i;

i=x*x*x;

printf("%d", i);

}

• 343

• 27

• 133

• Comipler error

What will be output if you will compile and execute the following c code?

void main()

{

int i=4,x;

x=++i + ++i + ++i;

printf("%d",x);

}

• 21

• 18

• 12

• Compiler error