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ICSE Prelims 2017 : Computer Applications

4 pages, 24 questions, 20 questions with responses, 20 total responses,

Anshika Gehani
Billabong High International School (BHIS), Bhopal

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COMPUTER APPLICATIONS (Theory) (Two hours) Answers 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 this Paper is the time allowed for writing the answers. 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 Question 1. (a) (b) (c) (d) (e) Name any two Object Oriented Programming (OOP) principles. Give an example of a Relational operator and a Bitwise Operator. State one similarity and one difference between while and do-while loop. What is a compound statement? Give an example. Find the value of c where x = 0, y = 10.25, z = -5 c =(x + y * z / 2.5) [2] [2] [2] [2] [2] Question 2. (a) (b) [2] (c) Explain with the help of an example, the purpose of default in a switch-case construct. Give an example each for: (i) Runtime Error (ii) Syntax Error (iii) Logical Error Differentiate between equals ( ) and compareTo ( ) functions. (d) (e) + 25 / Write a Java expression for 6 Write Java statements to find if a character variable called var contains an alphabet or not. [2] [2] [2] [2] Question 3. (a) What is the purpose of: (i) new operator (ii) this keyword TSP 001 [2] [2] This Paper consists of 4 printed pages. www.javaforschool.com Turn over

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