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ICSE Class X Sample / Model Paper 2024 : Computer Applications

2 pages, 36 questions, 2 questions with responses, 2 total responses,

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ICSE 2024 EXAMINATION 4thMOCK TEST QUESTION PAPER COMPUTER APPLICATIONS Maximum Marks: 100 Time allowed.: 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 (Attempt all questions from this Section.) Question 1 i) ii) iii) iv) v) vi) vii) viii) ix) x) xi) xii) xiii) xiv) xv) xvi) xvii) xviii) xix) xx) Choose the correct answer and write the correct option. [20] Which method is preferable to terminate the currently running program in java a)break b) exit() c) Continue d) default() What will be the result of Math.ceil(-4.75) + Math.floor(14.32) a)17.0 b) 18.0 c) 19.0 d) 10.0 Choose the odd one out a) {} b) , c) ; d) () A data type which contains integer as well as fractional part and occupies 32 bits space is a) float b) char c) double d) byte A wrapper class converts: a) int to float b) String to StringBuffer d) float to int d) primitive data type to object. Method that converts a String str to its float type a) float.parseFloat(str) b) Float.parstfloat(str) c) str.parseFloat(); d) Float.parseFloat(str) The ASCII code of Y is a) 87 b) 88 c) 89 d) 90 Which of the following is a logical unary Not operator in java a) ?: b) ! c) && d) || What is the term related to creation of an object a) inheritance b) factory c) instantiation d) initialization When we pass an array to a method, the method receives a) the length of the array b) A reference of the array c) a copy of the array d) Each of the elements of the array What will be the result of x%y , if the value of x=5 and y=-2 a) 1 b) 0 c) 1.0 d) None of the above What makes Java platform independent A) Advanced programming language b) It uses byte codes for execution c) class complication d) All of these Which of the following for loop will not be an infinite loop? a) for (; ;) b) for (a=0;a<1;a--) c) for (a=0; ;a++) d) for(a=-1;a<1;a++) The parseInt() function is a member of ____ wrapper class. a) Integer b) Character c) Boolean d)Class The variable that almost always violate the principle of encapsulation are a) instance variable b) global variable c) local variable d) array variable Automatic conversion of a primitive data type into its corresponding wrapper class object is called a) autoboxing b) unboxing c) explicit type conversion d) implicit type conversion What is the output of the following code String n1= 46 ,n2= 64 ; int total =Integer.parseInt(n2)+Integer.parseInt(n1); System.out.println(total); a)4664 b) 6446 c) 110 d) None of the above How many times the following do-while loop will be executed? int a,I; i=0; a=1; do{ i++;a++;} while(a<=5); System.out.println( i= +i+ a= +a); a) 2 times b) 4 times c) 6 times d) 5 times Name the features of java from the given profession (Teacher , Doctor, Advocate , Police) a)Encapsulation b) inheritance c) Abstraction d) polymorphism The number of bytes occupied by an integer array of size 3x3 a) 72 bytes b) 9 bytes c) 18 bytes d) 36 bytes

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