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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.  Flowchart Symbols                 -     ………………………………                 ………………………………

                    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.  Algorithm  -  ……………………………………………………………………………………………………………..

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

                    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 group of selected cells in an Excel worksheet.                           …………………..

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

                    6.  I am a graphical diagram that represents an algorithm.                          …………………..
                    7.  I am a name given to an object in a Java program.                               …………………..

                    8.  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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