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Worksheet 1


                                                     (Based on chapters 1 to 4)

                 A.  Give two examples of each of the following:

                     1.  Operating System                 -     ………………………………                 ………………………………

                     2.  Mathematical Functions           -     ………………………………                 ………………………………

                     3.  Symbols used in flowchart        -     ………………………………                 ………………………………
                     4.  Keywords of Java                 -     ………………………………                 ………………………………

                 B.  Write the full forms of the following:

                     1.  CUI      -   ……………………………………………………………………………………………………………..
                     2.  GUI      -   ……………………………………………………………………………………………………………..

                     3.  WORA     -    ……………………………………………………………………………………………………………..

                     4.  IDE      -   ……………………………………………………………………………………………………………..

                 C.  Define the following terms:

                     1.  Object                          2. Class                              3. Java
                     4.  Algorithm                       5. Cell Reference                     6. GUI


                 D.  Guess! Who am I?
                        I
                     1.    am a part of an operating system that allows a user to interact
                        with a computer.                                                                …………………..

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

                     3.  I am a group of selected cells in an Excel worksheet.                          …………………..
                        I
                     4.    am a function in Excel that returns the square root of a given
                        number.                                                                         …………………..

                        I
                     5.    am a text function in Excel that returns the specified number of
                        characters from the left side of the text string.                               …………………..

                     6.  I am a name given to an object in a Java program.                              …………………..
                     7.  I am a reserved word that cannot be used as an identifier name.                …………………..

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







                     1.  ………….....………..     2. ………….....………..     3. ………….....………..     4. ………….....………..



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