Download ICSE Computer Science Sample Papers Class X (10th) 2009
Sample Paper – 2009
Class – X
Subject – Computer Applications
(set-1)
Time: 3 hours Full Marks: 100
Answer to this paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading the question paper. The time given at the head of the paper is the time allowed for writing the answers.
This paper is divided in to two Sections. Attempt all questions in Section A and any four questions from Section B. The intended marks for the questions or parts thereof are given in brackets([ ]).
Section A (40 marks)
Attempt all questions
Q1. (a) Name the four integer data types of Java. [2]
(b) What is a “ternary operator” of Java? [2]
(c) What is meant by “nesting of loops”? Give suitable example. [2]
(d) Differentiate between int and float data type. Give one example for each. [2]
(e) What is Polymorphism? Give one example. [2]
Q2. (a) What is meant by “exit controlled loop”? Give one example. [2]
(b) Differentiate between constructor and finalizer with suitable examples for each. [2]
(c) What do you understand by the term “Escape Sequence”? Give two example with proper explanation. [2]
(d) Differentiate between data abstraction and data encapsulation [4]
Q 3. (a) Give the output of the following code snippets: [2 + 2 = 4]
(i) int f = 1, i = 2;
do {
f * = i;
i++;
}while ( i < 5 );
System.out.println ( f );
(ii) int a = 0, p;
for( int i = 0; i < 5; ++i ) {
a = a + p * i;
System.out.println( a );
}
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