PSC ALM QUIZ

1. 1. Which of the following is not a valid C variable name?

• a) int number;
  

• b) float rate;
  

• c) int variable_count;
  

• d) int $main;

2. All keywords in C are in ____________

• a) LowerCase letters
  

• b) UpperCase letters
  

• c) CamelCase letters
  

• d) None of the mentioned

3. 3. What will be the output of the following code snippet?

4. #include <stdio.h>

5. int main()

6. {

7. int a = 3, b = 5;

8. int t = a;

9. a = b;

10. b = t;

11. printf("%d %d", a, b);

12. return 0;

13. }

• 3 5

• 5 5

• 3 3

• 5 3

4. 4. How is an array initialized in C language?

• int a[3] = {1, 2, 3};

• int a = {1, 2, 3};

• int a[] = new int[3]

• int a(3) = [1, 2, 3];

5. 5. What is the output of the following code snippet?

6. #include <stdio.h>

int main()

{

int a[] = {1, 2, 3, 4};

int sum = 0;

for(int i = 0; i < 4; i++)

{

sum += a[i];

}

printf("%d", sum);

return 0;

}

• 1

• 4

• 20

• 10

6. 6. What is the output of the following code snippet?

int main()

{

int sum = 2 + 4 / 2 + 6 * 2;

printf("%d", sum);

return 0;

}

• 2

• 15

• 16

• 18

8. 7. How are String represented in memory in C?

• An array of characters.

• The object of some class.

• Same as other primitive data types.

• LinkedList of characters.

9. 8. Which of the following is an exit controlled loop?

• While loop.

• For loop.

• do-while loop.

• None of the above.

10. 9. What is the size of the int data type (in bytes) in C?

• 4

• 8

• 2

• 1

13. 10. What will be the output of the following code snippet?

#include <stdio.h>

#define VAL 3 * (2 + 6)

void solve()

{

int a = 10 + VAL;

printf("%d", a);

}

int main()

{

solve();

return 0;

}

• 104

• 24

• 10

• 34