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ISC Class XII Prelims 2022 : Computer Science

5 pages, 17 questions, 0 questions with responses, 0 total responses,

Koustav Chakraborty
Baba Siddhnath College Of Education, Muthra
BACHELOR OF EDUCATION COMPUTER SCIENCE AND APPLICATIONS

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PRE BOARD EXAMINATION CLASS XII SESSION 2021-22 COMPUTER SCIENCE (Theory paper 2) Maximum marks: 35 Time allowed: One and half hour Candidates are allowed an additional 10 minutes for only reading the paper. They must NOT start writing during this time. ------------------------------------------------------------------------------------------------------------------------------------------------Answer all questions in Section A, Section B and Section C. While answering questions in Sections A and B, working and reasoning may be indicated briefly. The intended marks for each questions or parts of questions are given in the brackets [ ]. All working, including rough work,, should be done on the same sheet as the rest of the answers. ------------------------------------------------------------------------------------------------------------------------------------------------SECTION A 7 MARKS Question 1 Read the following statement and identify the correct option which is relatable to the statement: (i) The concept of interface in Java program satisfies ________ element of OOP concept. a) Polymorphism b) Multiple inheritance c) Method overriding d) All of the above [1] (ii) The definition that satisfies proper binary tree is : a) > 2 child nodes b) < 2 child nodes c) > = 2 child nodes d) < = 2 child nodes [1] (iii) Which of these doesn t requires fresh memory to allocate a new value. a) array b) tree c) recursion d) iterations [1] ------------------------------------------------------------------------------------------------------------------------------------------------0422-II-868A THIS PAPER COMPRISES OF 5 PRINTED PAGES & 1 BLANK PAGE TURN OVER

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