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ICSE Class X Sample / Model Paper 2021 : Computer Applications

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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 : PRE-BOARD EXAMINATION: 2020-2021 SUBJECT: COMPUTER APPLICATIONS CLASS- X 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) Define Java byte code. (b) Write a difference between class and an object. (c) Name the following: (i) The keyword which converts variable into constant. (ii) The method which terminates the entire program from any stage. (d) Which of the following are primitive data types? (i) double (ii) String (iii) char (iv) Integer (e) What is an operator? Name any two types of operators used in Java. Question 2. (a) What is autoboxing in Java? Give an example. (b) State the difference between length and length() in Java. (c) What is constructor overloading? (d) What is the use of import statement in Java? (e) What is an infinite loop? Give an example. [2] [2] [2] [2] [2] [2] [2] [2] [2] [2] Question 3. (a) Write a Java expression for the following: 2 4 [2] (b) Evaluate the following if the value of x=7, y=5 x+=x++ + x + ++y [2] (c) Write the output for the following: [2] String s1 = ''Life is Beautiful''; System.out.println (''Earth'' + s1.substring(4)); System.out.println( s1.endsWith(''L'') ); (d) Write the output of the following statement: [2] System.out.println(''A picture is worth \t \''A thousand words.\'' ''); (e) Give the output of the following program segment and mention how many times the loop will execute: int k; for ( k = 5 ; k < = 20 ; k + = 7 ) if ( k% 6==0 ) continue; System.out.println ( k ); [2] 1

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