CLA – Programming Essentials in C Quizzes Chapter 2 Assessment Exam Answers Full 100%

Last Updated on May 20, 2021 by Admin

CLA – Programming Essentials in C Quizzes Chapter 2 Assessment Exam Answers Full 100%

1. Which of the following strings is a proper integer number (in the “C” language sense)?

   • 123456
   • 123_456
   • 123.456
   • 123,456

2. What is the value of the following integer literal?

   08

   • the literal is invalid
   • 10
   • 1000
   • 8

3. What is the value of the following integer literal?

   0x8

   • the literal is invalid
   • 10
   • 1000
   • 8

4. Which of the following strings is a valid variable name?

   • Monte_Carlo
   • Monte Carlo
   • Monte@Carlo
   • Monte-Carlo

5. Which of the following strings is an invalid variable name?

   • _0_
   • _0
   • 0_
   • ___

6. Is the following declaration valid?

   int var, var;

   • Yes
   • No

7. What is the value of the var variable at the end of the following snippet?

       int var;
       var = 2;
       var = var * var;
       var = var + var;
       var = var / var;
       var = var % var;

   • 16
   • 8
   • 1
   • 0

8. What is the value of the var variable at the end of the following snippet?

       int var;
       var = 2;
       var = var * var;
       var = var + var;
        /*
       var = var / var;
       var = var % var;
         */

   • 16
   • 1
   • 8
   • 0

9. Which of the following strings is a proper floating-point number (in the ”C” language sense)?

   • 123_456
   • 123456
   • 123,456
   • 123.456

10. What is the value of the following floating-point literal?

    8765E-2

    • 876.5
    • 8.765
    • 0.8765
    • 87.65

11. What is the value of the x variable at the end of the following snippet?

    int x;
    x = 1 / 2;

    • 0.5
    • 1
    • 0
    • 2

12. What is the value of the x variable at the end of the following snippet?

    int x;
    x = 1 / 2 * 3;
    /***

    • 0
    • 1.5
    • 1
    • 2

13. What is the value of the x variable at the end of the following snippet?

    float x;
    x = 1. / 2 * 3;
    /***

    • 2
    • 1.5
    • 1
    • 0

14. What is the value of the k variable at the end of the following snippet?

        int i,j,k;
    
        i = 4; 
        j = 5;
        --i;
        k = i * j;

    • 12
    • 18
    • 16
    • 15

15. What is the value of the k variable at the end of the following snippet?

        int i,j,k; 
    
        i = 4; 
        j = 5;
        ++j; 
        k = i * j;

    • 21
    • 24
    • 28
    • 18

16. What is the value of the k variable at the end of the following snippet?

    int i,j,k;
    
     i = 3; 
     j = -3; 
     k = i * j; 
     k += j; 
     k /= i;

    • -4
    • 8
    • 8
    • 4

17. What is the value of the c variable at the end of the following snippet?

    char c;
    
    c = '\';

    • ‘
    • \0
    • the assignment is invalid and causes a compilation error
    • \

18. What is the value of the c variable at the end of the following snippet?

        char c;
        
        c = 'a';
        c -= ' ';

    • a
    • A
    • \0
    • the assignment is invalid and causes a compilation error

19. What is the value of the k variable at the end of the following snippet?

        int i,j,k; 
        
        i = 3; 
        j = -3; 
        k = (i >= i) + (j <= j) + (i == j) + (i > j);

    • 2
    • 3
    • 0
    • 1

20. What happens if you try to compile and run this program?

        #include <stdio.h> 
        int main(void) { 
            int i,j,k; 
            i = 2; 
            j = -2; 
            if(i) 
                i--; 
            if(j) 
                j++; 
            k = i * j; 
            printf("%d",k); 
            return 0; 
        }

    • -1
    • 2
    • 1
    • -2