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12th Standard English Medium Computer Science Subject Data Abstraction Creative 2 Mark Questions with Solution Part - I updated Creative Questions

Published on: 13/05/2022

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Std: 12th Standard - Computer Science

chapter: - Creative Questions

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Questions:

Generic 2

5 x 2 = 10

Give an example of implementing an ADT

Identify which is the constructor and selector from the following statement.
(i) The Functions that retrieve information from the datatype.
(ii)The function which creates an object.

How the concrete level of data abstraction implemented?

Write a pseudocode to depressant rational numbers using list.

From the statement P1 : = Preson(), What does P1 and person referred.

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Answers Key:

Generic 2

5 x 2 = 10

(i) There can be different ways to implement an ADT, for example, the, List ADT can be implemented using singly linked list or doubly linked list.
(ii) Similarly, stack ADT and Queue ADT can be implemented using lists

(i) Selector
(ii) Constructor

(i) To implement the concrete level of data abstraction, languages like Python provides a compound structure called Pair which is made up of list or Tuple.
(ii) The first way to implement pairs is with the List construct

rational(n, d):
return [n, d]
numer(x):
return x[0]
denom(x):
return x[1]

Person is referred to as a class or a type, while p1 is referred to as an object or an instance.