Introduction To C++ Three Marks Questions

11th Standard

    Reg.No. :
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Computer Science

Time : 00:45:00 Hrs
Total Marks : 30
    10 x 3 = 30
  1. Describe the differences between keywords and identifiers?

  2. Differentiate “=” and “==”.

  3. Assume a=10, b=15; What will be the value of a^b?

  4. What is the difference between “Run time error” and “Syntax error”?

  5. What are the differences between “Logical error” and “Syntax error”?

  6. What is the use of a header file?

  7. Why is main function special?

  8. Write two advantages of using include compiler directive.

  9. Write the following in real constants.
    (i) 15.223
    (ii) 211.05
    (iii) 0.00025.

  10. Evaluate the following C++ expressions where x, y, z are integers and m, n are floating point numbers. The value of x = 5, y = 4 and m=2.5;
    (i) n = x + y / x;
    (ii) z = m * x + y;
    (iii) z = (x++) * m + x;

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