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12th Standard English Medium Computer Science Reduced syllabus Creative Three Mark Question with Answer key - 2021(Public Exam )

12th Standard

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Computer Science

Time : 02:40:00 Hrs
Total Marks : 75

    3 Marks(Creative)

    25 x 3 = 75
  1. Explain the syntax of function definitions

  2. Write a short note an syntax for function types.

  3. Give an example of an ADT for rational numbers.

  4. Write a note on built-in scope.

  5. How will you ensure the principle of data encapsulation in object - oriented programming?

  6. Write a short note on types of variable scope.

  7. Write a note on time/space trade off

  8. Write a pseudo code for Binary'search

  9. Write a pseudo code for selection sort.

  10. Differentiate two ways in which Python programs can be written.

  11. Why the following statement not accept the data as numbers? Give reason and also state what function is used to accept the number.

  12. Write a note on statement which are ignored by the Python interpreter.

  13. What are the rules followed while defining python identifier?

  14. Write a note on sequential statement with an example.

  15. Write a python program to print all numbers from 10 to 15 using while loop.

  16. How python takes a default· value in the function call? Explain with an example.

  17. What is the use of global keyword? Explain with an example?

  18. Write a program to accept a string and print it in reverse order.

  19. Write the output of the following statements.
    strl = 'mammals'
    (i) std. find ('ma')
    (ii) std. find ('ma, 2)
    (iii) std. find ('ma, 2, 4)
    (iv) std. find ('ma, 2, 5)

  20. How will you change the list elements in Python? Give an example.

  21. Write a note on list comprehensions.

  22. How will delete an entire tuple? Give an example.

  23. Write a note on self argument used in python class function.

  24. Explain the working of the following program. class Sample:
    def _init_(self, num):
    print("Constructor of class Sample ...")
    self.num=num
    print("The value is :", num)
    S=Sample(10)

  25. Write the advantages of DBMS.

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