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The Future Foundation School (TFFS), Kolkata
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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) Give one example each of a primitive data type and a composite data type. [2] (b) Give one point of difference between unary and binary operators. [2] (c) Differentiate between call by value or pass by value and call by reference or pass by reference. [2] (d) Write a Java expression for 2 [2] (e) Name the type of error (syntax, runtime or logical error) in each case given below: (i) Division by a variable that contains a value of zero. (ii) Multiplication operator used when the operation should be division. (iii) Missing semicolon. [2] Question 2. (a) Create a class with one integer instance variable. Initialize the variable using: (i) default constructor. (ii) parameterized constructor. T12 861 This Paper consists of 6 printed pages. [2] Turn over

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