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ICSE Class X Board Exam 2020 : Computer Applications

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Research Ma Kali
Adamas University, 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) (b) (c) (d) Which of the following are valid comments? (i) /* comment */ (ii) /* comment (iii) // comment (iv) */ comment */ [2] What is meant by a package? Name any two Java Application Programming Interface packages. [2] Name the primitive data type in Java that is: (i) a 64-bit integer and is used when you need a range of values wider than those provided by int. (ii) a single 16-bit Unicode character whose default value is '\u0000' State one difference between floating point literals float and double. T14 861 This Paper consists of 7 printed pages and 1 blank page. www.javaforschool.com [2] [2] Turn over

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