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Computer Application/ Paper 3/Page 1 of 4 Computer Applications (2 hours) GRADE: X Max Marks: 100 Revision Paper 3 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. ____________________________________________________________ SECTION A (40 Marks) Attempt all questions Q. 1. 1. What is the difference between Formal Parameters and Actual Parameters? 2. Why is Class known as an Object Factory? 3. State any two types of Java programs. 4. What is Byte Code? 5. Explain Encapsulation and Polymorphism. [10] Q. 2. [10] 1. What will be the output when a. value=125 b. value=200 int value, sum, n=50; sum=n-(value>150?500:1000); System.out.println(sum); 2. What do you mean by type conversion? How is implicit conversion different from explicit conversion? 3. If a = 55, find a= a++ - ++a 4. If x= 12, y=15 find the value of x, x*=++x/6 + y++ %3 5. Write the Java Expression for the following S=UT + AT2 Q. 3. Give the output of the following 1. int arr[]= {10,1,20,2,30,3}; System.out.println(arr[2] + arr.length-1); 2. boolean p = ( BLUEJ .length()> bluej .length() ? true:false); This paper consists of 4 printed sides. [20]
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