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2nd Preboard Examination /X / 24th January, 2023/Tuesday/ Computer Applications /Morning ________________________________________________________________________________ Time Limit: 2 hours MM: 100 Amrita Pandey - 16 Instructions 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) Q.1 (i) Choose the correct answer and write. In object-oriented programming .is the concept that has the ability for a message or data to be processed in more than one form. (a) Encapsulation (b) Polymorphism (c) Inheritance (d) Abstraction (ii) Richa wants the members of her class Books to be accessible only to her class Books , what access specifier she should use for the members? (a) public (b) protected (c) private (d) None of the above (iii) What will be the value of y if the value of y=2 and a= -3? y += a++ * a-- + --a (a) -4 (b) 2 (c) 0 (d) 4 (iv) Name the search algorithm which compares the sought key value with the key value of the middle element of the array at each stage. (a) Binary search (b) Selection search (c) Linear search (d) None of the above This document consists of 6 printed pages [20]
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