Page 13 - iPlus_Ver_2.0_class_1
P. 13

Info Byte

                       A computer cannot work on its own. It needs instructions to perform a
                     task.




                  i +   DIFFERENCE BETWEEN COMPUTERS AND MACHINES

                 Computers and machines are man-made things.

                 Other machines can do only one type of work. But a computer can do a task of
                 many machines together.
                 For example-










                                 Radio                                                          Calculator











                           Camera                                                                Video Game















                                  Watch                                                          Television



                    Info Byte



                       An abacus is also a machine. It has colourful beads which are
                     used for counting.












                                                                                                                 11
                                                                                         Computer—A Machine
   8   9   10   11   12   13   14   15   16   17   18