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

Published on: 13/05/2022

QB365 provides detailed and simple solution for every Creative Questions in class 12 Computer Science Subject. It will helps to get more idea about question pattern in every Creative questions with solution.

latest Creative Questions

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Std: 12th Standard - Computer Science

chapter: - Creative Questions

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Questions:

Generic 2

5 x 2 = 10

How the elements of a list can be accessed?

How a class defines a data abstraction?

Write a pseudocode to depressant rational numbers using list.

Write a note on pair datatype

Write the pseudo code for the representation of the rational number using constructor & selector.

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Answers Key:

Generic 2

5 x 2 = 10

(i) The elements of a list can be accessed in two ways.
(ii) The first way is via multiple assignment and the second method is by the element selection operator

(i) A class defines a data abstraction by grouping related data items. A class is not just data, it has functions defined within it.
(ii) Functions are subordinate to the class because their job is to do things with the data of the class.

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

(i) A pair is a compound data type that holds two other pieces of data. The two ways of representing the pair data type.
(ii) The first way is using List construct and the second way to implement pairs is with the tuple construct.

The pseudo code for the representation of the rational number using the above constructor and selector is component
x,y:=8,3
rational(n,d)
numer(x)/numer(y)
- - output: 2.6666666666666665