Chapter 1 Assessment

Chapter 1 Assessment – CPA Pragraming Essentials C++

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

    What is the value of the following literal?

    010

  3. 3. Question

    What is the value of the following literal?

    X10

  4. 4. Question

    What is the value of the following literal?

    018

  5. 5. Question

    What is the value of the following literal?

    0x1A

  6. 6. Question

    Which of the following strings represents a valid variable name?

  7. 7. Question
    Which of the following strings does not represent a valid variable name?
  8. 8. Question
    Which of the following strings is a proper floating-point number (in the “C++” language sense)?
  9. 9. Question

    What is the value of the following literal?

    0E1

  10. 10. Question

    What is the value of the following literal?

    -1e-1

  11. 11. Question

    What is the value of the i variable?

    float x = 1.0 / 4.0;
    int i = x;

  12. 12. Question

    What is the value of the x variable?

    float x = 1. / 2. + 2. / 4.;

  13. 13. Question

    What is the value of the k variable?

    int k = 1 % 2 + 4 % 2;

  14. 14. Question

    What is the value of the k variable?

    int i = 1;
    int j = ++i;
    int k = j++;

  15. 15. Question

    What is the final value of the k variable?

    int i = 3, j, k;
    if(i > 0) j = 2 + i * i;
    if(i <= 0) j = 2 * i – 1;
    if(j >= 0) k = j % i + 2;
    if(j < 0) k = i % j + 2;
    if(k < 0) k = k % i % j;
    if(k >= 0) k = j % i % k;

  16. 16. Question

    What is the final value of the k variable?

    int i = 3, j = 2, k = -1;
    if(i > 0) {
    if(j <= 0) {
    if(k < 0)
    k++;
    if(k <= 0)
    k–;
    }
    if(j > 0)
    i++;
    }
    if(i <= 0)
    j++;
    k = i + j + k;

  17. 17. Question

    What is the output of the following snippet?

    int i = 3, j = ++i, k = ++i;
    cout << k << j << i;

  18. 18. Question

    What is the output of the following snippet if a digit 5 followed by Enter is entered through the keyboard?

    int i = 3, j = ++i, k = ++i;
    cin >> i;
    cout << k + i << j – i << i * i;

  19. 19. Question

    What is the output of the following snippet if a digit 8 followed by Enter is entered through from the keyboard?

    int i;
    cin >> i;
    cout << i << hex << i + i << oct << i;

  20. 20. Question

    What is the output of the following snippet if a string 2.5 followed by Enter is entered through the keyboard?

    float x;
    cin >> x;
    cout << scientific << “x”;

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