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11th Standard English Medium Computer Science Subject Introduction To C++ Book Back 2 Mark Questions with Solution Part - II

11th Standard

    Reg.No. :
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Computer Science

Time : 01:00:00 Hrs
Total Marks : 10

    2 Marks

    5 x 2 = 10
  1. What is a reference variable? What is its use?

  2. What is the difference between 56L and 56?

  3. Determine which of the following are valid constant? And specify their type.
    (i) 0.5
    (ii) ‘Name’
    (iii) ‘\t’
    (iv) 27,822

  4. What will be the result of following if num=6 initially.
    (a) cout << num;
    (b) cout << (num == 5);

  5. Which of the following two statements are valid? Why? Also write their result.
    int a;
    (i) int a; a = 3,014;
    (ii) int a; a=(3,014);

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