Download ICSE Computer Science Sample Papers Class X (10th) 2008
Sample Paper – 2008
Class – X
Subject – C
Set – I
Section – I (40 Marks)
( Class : X ) ( Two Hours)
Answer to this paper must be written on the paper provided separately.
This paper is divided into two sections.
Attempt ALL questions from Section A and any FOUR questions from Section B.
The intended marks for questions or parts of questions are given in brackets[ ].
SECTION A ( 40 Marks)
Attempt ALL questions.
Q1. a) Differentiate between pure and impure functions. [10]
b) What is friendly access of class members?
c) What is Data Abstraction?
d) How is a ordinary compilation process different from Java compilation?
e) Name four packages available in Java?
Q2. a) What is an exception? What is exception handling? [2]
b) Differentiate between pure and mixed expression. [2]
c) What is type casting? [2]
d) What is the use of [ ] and ( ) operator ? [2]
e) What do you mean by rvalue and lvalue? [2]
Q3. a) Write the corresponding Java expressions for the following: - [4]
i) 2 - ye2y + 4y ii) 5a + b (x + y )5
b) Suppose A,B,C are integer variables where A = 3, B = 3, C = 5 and X,Y,Z are the floating point
variables where X = 8.8, Y = 3.5, Z = -5.2. Determine the value of the following expressions :
i) A % C
ii) ( A * C ) % B
iii) X / ( X+Y )
iv) X / Y
v) (int) X % (int) Y [5]
c) Name the library function used to compare two strings lexicographically. [1]
Q4. a) State the final value of q at the end of the following program segment: [5]
int m, n , p, q = 0;
for (m = 2; m <= 3; + +m )
{
for (n = 1; n <= m; + +n )
{
p = m + n – 1;
if ( p % 3 = = 0)
q + = p;
else
q + = p + 4;
}
}
b) What will be the output of the following code:
import java.io.*;
public class a
{
public static void main( String args[ ] ) throws IOException
{
byte x = 64, y;
y = (byte) (x << 2);
system.out.println( y);
}
}[2]
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