5CSE1_T&P questions

What will be the output of the following C function?

#include <stdio.h>

1. enum birds {SPARROW, PEACOCK, PARROT};

2. enum animals {TIGER = 8, LION, RABBIT, ZEBRA};

3. int main()

4. {

5. enum birds m = TIGER;

6. int k;

7. k = m;

8. printf("%d\n", k);

9. return 0;

10. }

• 0
  

• Compile time error
  

• 1
  

• 8

What will be the final value of x in the following C code?

1. #include <stdio.h>

2. void main()

3. {

4. int x = 5 * 9 / 3 + 9;

5. }

• 3.75
  

• Depends on compiler

• 24
  

• 3

What will be the output of the following C code considering the size of a short int is 2, char is 1 and int is 4 bytes?

1. #include <stdio.h>

2. int main()

3. {

4. short int i = 20;

5. char c = 97;

6. printf("%d, %d, %d\n", sizeof(i), sizeof(c), sizeof(c + i));

7. return 0;

8. }

• a) 2, 1, 2
  

• b) 2, 1, 1
  

• c) 2, 1, 4
  

• d) 2, 2, 8

What will be the value of the following assignment expression?

(x = foo())!= 1 considering foo() returns 2

• 2
  

• True
  

• 1

• 0

Comment on the following C statement.

n = 1; printf("%d, %dn", 3*n, n++);

• Output will be 3, 2

• Output will be 3, 1

• Output will be 6, 1

• Output is compiler dependent

What will be the data type returned for the following C function?

1. #include <stdio.h>

2. int func()

3. {

4. return (double)(char)5.0;

5. }

• char
  

• int

• double
  

• multiple type-casting in return is illegal

What is the output of this C code?

1. #include <stdio.h>

2. int main()

3. {

4. float f = 0.1;

5. if (f == 0.1)

6. printf("True");

7. else

8. printf("False");

9. }

• True
  

• False

What will be the final values of a and c in the following C statement? (Initial values: a = 2, c = 1)

c = (c) ? a = 0 : 2;

• a = 0, c = 0

• a = 2, c = 1
• a = 0, c = 2
• a = 1, c = 0

What will be the final value of c in the following C code snippet? (Initial values: a = 1, b = 2, c = 1)

c += (-c) ? a : b;

• 0
• 3
• 2
• 1

What will be the output of the following C code?

1. #include <stdio.h>

2. #define SYSTEM 20

3. int main()

4. {

5. int a = 20;

6. #if SYSTEM == a

7. printf("HELLO ");

8. #endif

9. #if SYSTEM == 20

10. printf("WORLD\n");

11. #endif

12. }

• a) HELLO
  

• b) WORLD
  

• c) HELLO WORLD
  

• d) No Output