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3.  The SQRT function returns the .............................. of the given number.

                    4.  A good flowchart will use .............................. symbols.
                    5.  The println() method displays the .............................. on the terminal.

                 C.  Write ‘T’ for true and ‘F’ for false.
                    1.  BIOS stands for Basic Input/Output System.                                    ............................

                    2.  Every formula begins with a + sign.                                           ............................
                    3.  Algorithm uses various symbols to show the process flow of the
                        program.                                                                      ............................

                    4.  The values on which an operator works are called operands.                    ............................

                                                             Section B

                 A.  Short answer type questions.
                    1.  Define an Operating System.

                    2.  Define the following terms:
                        a.  Data Series

                        b.  Legend
                    3.  What is meant by a flowchart?

                    4.  Explain the use of the assignment operator.
                 B.  Long answer type questions.

                    1.  As a user, which operating system interface do you prefer and why? Give reasons to
                        support your answer.
                    2.  What is the use of the LEN function? Explain with an example.

                    3.  Define any two characteristics of a good algorithm.
                    4.  Write an algorithm to convert temperature from Fahrenheit to Celsius.
                    5.  What are logical operators? Write the names of any two logical operators.

                    6.  Write a Java program to calculate simple interest. SI = (P * R * T ) / 100 where P is for
                        the principal amount, R is for the rate of interest, and T is for time duration. Take all
                        the values from the user.
                    7.  What will be the output of the following Java code?

                        public class rad{
                     public static void main(String[] args){
                     double r, c;
                     r=2.3;
                     c = 2 * 3.14 * r;

                     System.out.println(c);
                     }
                     }



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