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ICSE Class X Mid-term 2021 : Computer Applications : Ryan International School ,Kundalahalli

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Melvin
Ryan International School (RIS), Kundalahalli, Bangalore

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RICSE TERM II ASSESSMENT TIME: 1.15HRS MARKS: 50 STD: X SUBJECT: Computer Applications Question 1. Fill in the blanks [5m] _is a set of related classes and interfaces. [Library classes in Java-1m] 2. classes in Java encapsulation the primitive data type into an object. [Library classes in Java-1M] 3. When we try to assign the object of a wrapper class to a primitive type variable it automatically converts the object back to the primitive type it is called [Library classes in Java-1M) 4. _operator is used to allocate memory to array variables in Java. [Array-1M] 5. Counting of Array elements begins from [Array-1M] Question 2. Choose the correct options [5m] 1. Which keyword is used to define packages in Java. (Package, PKG, package) [Library classes in Java -1M] 2. Which method returns a string after converting the data in integer type passed as an argument. (toString (), toHexString(), valueOf0) [Library classes in Java-1M] 3. Linear search is also called as (sequential search, binary search) [Array-1M) 4. In Java array elements are (primitive, non primitive ,objects) [Array-1M] 5. String is a, d a t a type.( Composite, primitive, complex) [Library classes in Java-1M] Question 3. Explain the following methods and give proper syntax. 1. charAt() [Library classes in Java-2M] 2. floatvalue() [Library classes in Java-2M] 3. toString0 [Library classes in Java-2M] 4. parselnt(0[Library classes in Java-2M] Bm Question 4. Answer in short 1. Write the output for the following [10m) String A = "26", B="100 String D= A+B+"200" int x = Integer.parselnt{A); int y = Integer.parselnt(B); [Library classes in Java-2M) 2. State difference between Sorting and Searching. [Array-2M] 3. If ar[]={1,0,8,5,2 Array-2M] Then i) What is the result of ar. length? i) What is ar{2]? 4. Explain boxing with suitable example ? [Library classes in Java-2M] 5. State difference between primitive and non-primitive data types. [Library classes in Java-2M] Question 5. Answer in brief 1. Name any 3 wrapper classes in Java. [Library classes in Java-3M] [12m] 2. State declaration and initialization of array with appropriate example. [Array-3M] 3. What are the benefits of a Java class library? Give an example of a method from Java math class library. . [Library classes in Java-3M] 4. Identify the errors :[Array-3M] i) char arr = {1,2,3,4,5; i) int arrf5] = {6,8,9,0,8): l ) arf| = {3,6,7,8}; Question 6. Write program for the following [10m] 1. Write a program to accept marks of 20 students in Computer Application subject and display the name of the student who has scored the highest marks. [Array-5M] 2. Write a java program to check if the given letter is uppercase/lowercase/special case character and print the result. [Library classes in Java-5M] Blue Print Subject: Computer Application Summative Assessment -2 Marks : 50 Chp No Grade X Name of chapter No of Questions Marks Library Classes in Java 4 27 23 Array Total 25 50 Approximate weightage Marks Weightage Knowledge 5 Easy 50% Understanding 5 Average 30 % Application 20 Difficult 20% Total Number of Questions:25 to learn objective Skills

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