User-Defined Methods ICSE Class 10 Computer Applications — Chapter-wise PYQs & Important Questions

Examined in

10 of 11 papers

Appears almost every year — treat as core

Typically worth

15.4 marks

Average per paper it appears in · 154 marks in total

Usual form

MCQ

44% of this chapter's 32 questions

Needs a diagram

0%

No diagram questions in this chapter

Question-type distribution

MCQ14
Program10
Short answer6
Difference2

Most frequent topics

Types of errors 6Method prototypes 3Pure and impure methods 2Call by value and call by reference 2Formal and actual parameters 2Return type in a method prototype 1Polymorphism 1Method overloading — three versions of format() 1

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Showing 7 of 32 matching questions (154 marks).

7 questions

2(d)2018

Short answerEasy2 marks

Write the prototype of a function check which takes an integer as an argument and returns a character.

72018

ProgramHard15 marks

Design a class to overload a function volume() as follows: (i) double volume(double r) - with radius (r) as an argument, returns the volume of a sphere using the formula V = 4/3 x 22/7 x r^3 (ii) double volume(double h, double r) - with height (h) and radius (r) as arguments, returns the volume of a cylinder using the formula V = 22/7 x r^2 x h (iii) double volume(double l, double b, double h) - with length (l), breadth (b) and height (h) as arguments, returns the volume of a cuboid using the formula V = l x b x h

2(b)2017

Short answerModerate2 marks

What are the two ways of invoking functions?

1(d)2016

Short answerModerate2 marks

Name the type of error (syntax, runtime or logical error) in each case given below: (i) Math.sqrt(36 - 45) (ii) int a; b; c;

DifferenceModerate2 marks

Differentiate between formal parameter and actual parameter.

2(d)2016

Short answerEasy2 marks

Write a function prototype of the following: A function posChar which takes a string argument and a character argument and returns an integer value.

72016

ProgramHard15 marks

Design a class to overload a function sumSeries() as follows: (i) void sumSeries(int n, double x) - with one integer argument and one double argument, to find and display the sum of the series: x/1 + x/2 + x/3 + ... + x/n (ii) void sumSeries() - to find and display the sum of the following series: s = 1 + (1 x 2) + (1 x 2 x 3) + ... + (1 x 2 x 3 x ... x 20)

User-Defined MethodsICSE Class 10 Computer Applications — chapter-wise previous year questions

Question-type distribution

Most frequent topics