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ICSE 2012 solved : Computer Applications

35 pages, 9 questions, 0 questions with responses, 0 total responses,    0    0
Manasa Preethi
Sikkim manipal university, Bangalore
Master of Science Information Technology
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ICSE 2012 Q1. (a) Give one example each of a primitive data type and a composite data type. [2 marks] A1. (a) class Car { int gears, maxSpeed; // int primitive data type String model, manufacturer; } Car c = new Car(); // composite data type In the example above, gears is a primitive data type (int for integer), and c is a composite data type of class Car. Basically, int is a primitive data type, and Car is a composite data type. Q1. (b) Give one point of difference between unary and binary operators. [2 marks] A1. (b) The unary operators operate on a single operand (e.g. x++) whereas the binary operators operate on two operands (e.g. x*y). Here, ++ is a unary operator and * is a binary operator. Q1. (c) Differentiate between call by value or pass by value and call by reference or pass by reference. [2 marks] A1. (c) CALL BY VALUE CALL BY REFERENCE

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