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ICSE Board Exam 2013 : Computer Applications

5 pages, 34 questions, 35 questions with responses, 125 total responses,    0    0
Aditya Reddy
R. T. Nagar Public School, Bangalore
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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) What is meant by precedence of operators? [2] (b) What is a literal? [2] (c) State the Java concept that is implemented through: (i) a super class and a subclass (ii) the act of representing essential features without including background details. (d) Give a difference between a constructor and a method. (e) [2] What are the types of casting shown by the following examples? (i) [2] double x = 15.2; int y = (int) x; (ii) int x = 12; long y = x; [2] Question 2. (a) Name any two wrapper classes. [2] (b) What is the difference between a break statement and a continue statement when they occur in a loop? [2] T13 861 This Paper consists of 5 printed pages and 1 blank page. Turn over

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