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Published on: 13/05/2022
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Questions + Answers key
Take MCQ Computer Science Test
1.
Write the pseudo code for the representation of the rational number using constructor & selector.
2.
Write a note on pair datatype
3.
Write a pseudocode to depressant rational numbers using list.
4.
How a class defines a data abstraction?
5.
How the elements of a list can be accessed?
1.
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
2.
(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.
3.
rational(n, d):
return [n, d]
numer(x):
return x[0]
denom(x):
return x[1]
4.
(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.
5.
(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
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Tamilnadu Stateboard 12th Standard Subjects
Maths
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Physics
Biology
Computer Science
Business Maths and Statistics
Economics
Commerce
Accountancy
History
Computer Applications
Biology
Computer Technology
Computer Applications
Computer Science
Business Maths and Statistics
Commerce
Economics
Maths
Chemistry
Physics
Computer Technology
History
Accountancy
Tamil
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