COMPUTER APPLICATIONS

(Theory)

SECTION A (40 Marks)

(Attempt all questions)

Question 1

(a) Name any four tokens of Java. [2]
(b) Give the difference between actual parameter and formal parameter. [2]
(c) What is an identifier? [2]
(d) Write an expression in Java for cos x +  a b . [2]
(e) What is the result produced by 2 – 10*3 + 100/11? Show the steps. [2]

Question 2

(a) What is the difference between local variable and instance variable? [2]
(b) int x =20, y = 10, z;
What is the value of z in
z = ++x * (y – –) – y ?
Show the steps. [2]
(c) What is the purpose of default in a switch? [2]
(d) Give the difference between linear search and binary search. [2]
(e) What will be the output of the following code?
float x = 7.87;
System.out.println(Math.ceil(x);
System.out.println(Math.floor(x); [2]

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