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ICSE Class IX Prelims 2021 : Computer Applications (Madhusthali Vidyapeeth, Deoghar)

3 pages, 26 questions, 14 questions with responses, 14 total responses,    2    0
Soumya Roy
Sikkim Manipal University (SMU), Gangtok
Master of Computer Application Computer Application
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MADHUSTHALI VIDYAPEETH F.M 100 Time 2h Date : ANNUAL EXAMINATION : 2020-2021 SUBJECT: COMPUTER APPLICATIONS CLASS- IX 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) Name any four tokens of Java. (b) Define encapsulation. (c) What is an identifier? (d) Differentiate between primitive and non-primitive data-types. (e) Why is class called an object factory? Question 2 (a) Differentiate between = and == operators. (b) Differentiate between break and System. exit(0). (c) What is OOP? Name two OOP languages. (d) State the difference between if-else if ladder and (e) State the difference between compiler and interpreter. Question 3 (a) State the type of errors if any in the following statements: switch ( n > 2 ) System.out.println(100/0); (b) What will be the output of the following code? float x = 7.87; System.out.println(Math.ceil(x); System.out.println(Math.floor(x); (c) What will be the output of the following program segments? (i) Math.pow(25,0.5)+Math.ceil(4.2) Math.round ( 14.7 ) + Math.floor ( 7.9) (ii) (iii) String a="Java is programming language \n developed by \t\'James Gosling\'"; System. out. println(a); [2] [2] [2] [2] [2] [2] [2] [2] [2] [2] [2] [2] [2] int a = 0; if(a>0 && a<20) a++; 1

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