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Worksheet 1                                                        (Based on chapters 1 to 4)




                  A.  Give two examples of each of the following:

                      1.  Keywords of Java                 -     ………………………………                 ………………………………

                      2.  Operating System                 -     ………………………………                 ………………………………

                      3.  Symbols used in flowchart        -     ………………………………                 ………………………………
                      4.  Mathematical Functions           -     ………………………………                 ………………………………

                  B.  Label the components of BlueJ window.




























                  C.  Guess! Who am I?

                      1.   I am the cell address used in formula to denote a specific cell.             …………………..

                      2.   I am a type of operating system that allows only one user to access
                         the computer system at a time.                                                 …………………..

                      3.  I am a name given to an object in a Java program.                             …………………..
                      4.  I am a function in Excel that returns the square root of a given number.      …………………..

                  D.  Write the names of the following symbols used in a flowchart:




                      1.  ………….....………..     2. ………….....………..      3. ………….....………..      4. ………….....………..
                  E.  Application-based question.

                        Shivam is adding date and time in his Excel sheet. Which function will he use to add for getting
                      the current system date and time?

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