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ICSE Class X Prelims 2018 : Computer Applications

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sarakesavan
Madras University (MU), Chennai
M.C.A Computer Applications

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Preliminary Examination 2 2017-2018 COMPUTER APPLICATIONS Grade : X Date Max. Marks : // : 100 Time Allowed : 2 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 in Section B. The intended marks for questions or parts of questions are given in brackets[ ]. SECTION A (Attempt all questions from this section) [40 Marks] Question1 [10] a) Name the following: i) Which unit of class is called when the object of class is called? ii) Name the keyword which causes the control to transfer back to method call. b) What do you understand by the keyword? Explain with an example. c) Strings are immutable. Explain. d) What do you mean by type casting? How is implicit conversion different from explicit conversion? e) List any two wrapper class functions of Character and explain any one with an example. Question 2 [10] a) Distinguish between == and .equals(). 1

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