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ST. CLARE S SCHOOL, LOKAI PRE - BOARD EXAMINATION 2019 COMPUTER APPLICATIONS (Theory) (two hours) Answer to this paper must be wrriten on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent reading the question paper. The time given at the head of this paper is the time allowed for writing the answers. This paper is devided into two Sections. Attempt all questions from Section A and any four questions from Section B. The intended marks for questions are given in brackets[ ]. SECTION- A (40 Marks) Attempt all questions Question 1 (a) (b) (c) Distinguishes between instance variables and static variables. What is meant by infinite loop?Give one example. Name the operator listed below: I. II. III. IV. (d) (e) [2] [2] < ++ && ?: ` State the number of byte occupied by char and double data types. [2] Define wrapper class with an example. [2] Question 2 (a) String []={ Samsung , Nokia , sony , micromax , Blackberry } [2] Give the output of the following statements: I. System.out.println(x[1]); II. System.out.println(x[3].length()); (b) (c) Differntiate between constructor and method. Convert the following do-while loop into for loop. [2] [2]
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