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CSE Computer Application - Class X - 2011 PYQ

Rumman Ansari   Software Engineer   2024-09-07 10:08:05   38  Share
Subject Syllabus DetailsSubject Details 19 Questions

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Related Questions

• Question 1: Difference between an object and a class?
• Question 2: What does the token 'keyword' refer to, in the context of Java? Give an example for keyword.
• Question 3: State the difference between entry controlled loop and exit controlled loop.
• Question 4: What are the two ways of invoking functions?
• Question 5: What is the difference between / and % operator?
• Question 6: State the total size in bytes, of the arrays a[4] of char data type and p[4] of float data type.
• Question 7: (i) Name the package that contains the Scanner class.
  (ii) Which unit of the class gets called when the object of the class is created?
• Question 8: Give the output of the following:

  
  String n = "Computer Knowledge.";  
  String m = "Computer Applications";  
  System.out.println(n.substring(0, 8).concat(m.substring(9)));  
  System.out.println(n.endsWith("e"));
  
  

• Question 9:

  Write the output of the following:
  (i) System.out.println(Character.isUpperCase('R'));
  (ii) System.out.println(Character.toUpperCase('j'));

• Question 10:

  What is the role of the keyword void in declaring functions?

• Question 11: Analyse the following program segment and determine how many times the loop will be executed and what will be the output of the program segment:

  
  int p = 200;
  
  while(true)
  {
      if(p < 100)
          break;
      p = p - 20;
  }
  
  System.out.println(p);
  
  

• Question 12: What will be the output of the following code?

  (i)

  
  int k = 5, j = 9;
  
  k += k - j + k;
  
  System.out.println("k = " + k);
  System.out.println("j = " + j);
  
  

  (ii)

  
  

  
  double b = -15 * 6;
  double a = Math.rint(Math.abs(b));
  
  System.out.println("a = " + a);
  
  

• Question 13: Explain the concept of constructor overloading with an example.
• Question 14: Give the prototype of a function search which receives a sentence sentnc and a word wrd and returns 1 or 0.
• Question 15:

  Write an expression in Java for:
  z = (5x^3 + 2y)/(x + y)

• Question 16:

  Write a statement each to perform the following tasks on a string:

  (i) Find and display the position of the last space in a string s.
  (ii) Convert a number stored in a string variable x to double data type.

• Question 17:

  Name the keyword that:

  (i) Informs that an error has occurred in an input/output operation.
  (ii) Distinguishes between instance variables and class variables.

• Question 18: What are library classes? Give an example.
• Question 19: Write one difference between Linear Search and Binary Search.

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