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ICSE Predictive paper 2016 : Computer Applications (Professor Charles Francis Xavier Collage, New York)

4 pages, 27 questions, 22 questions with responses, 45 total responses,

Skaar
Professor Charles Francis Xavier Collage, New York
DEGREE OF DESTROY(DOD)

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Computer Application/Paper 1/Page 1 of 4 Computer Applications (2 hours) GRADE: X Max Marks: 100 Revision Paper 1 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. [10] 1. Which of the following are valid comments? a. /* comment*/ c. /*comment b. //comment d. */ comment */ 2. Name the primitive data type in Java that is : a. a 64-bit integer and is used when you need a range of values wider that those provided by int b. a single 16-bit Unicode character whose default value is \u000 3. Differentiate between Pure Functions and Impure Functions. 4. What is a wrapper class? Explain it with an example. 5. State any two types of Java programs. Q. 2. 1. What will be the output when a. value=-5 b. value=150 int sum=189, n=50; sum+=n+value>=150?500:1000; System.out.println(sum); 2. Differentiate between Formal Parameters and Actual Parameters. 3. int a = 60, x=5; float p=.5f; a*= ++x+ x++ % p; System.out.println(a + " " + x); 4. Define Abstraction. 5. Write the Java Expression for the following + This paper consists of 4 printed sides. [10]

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