Page 9 - iPro_trackGPT_V5_Class5
P. 9

1


                 Evolution of Computers












                     Goal Glimpse


                         History of Computers                            Computer Generations

                         Characteristics of a Computer                   Limitations of a Computer






                 Dear Students! You learnt about computers in your previous class.

                 Today, computers are a familiar term for you. But have you ever wondered, ‘Who
                 invented the computer?’ The creation of the computer is the result of many people’s

                 efforts. While no single person can be credited with inventing computers, several
                 notable individuals played key roles in their development.

                    HISTORY OF COMPUTERS


                 By now, you have learned about the many uses of computers. You now know that
                 the computer is an powerful machine that can be utilised for performing a wide

                 range of activities. A lot of research was conducted in the past to create a strong
                 machine. In this chapter, you will learn about the scientists who played a key role in
                 developing the perfect machine that you use every day.
                 Early Counting Tools


                 Since ancient times, people have created/discovered tools for doing calculations.
                 Early humans tied knots in ropes and made marks on clay to keep records. They also
                 used pebbles, stones, sticks, fingers, toes, and bones for counting.















                                                                                        Evolution of Computers    7
   4   5   6   7   8   9   10   11   12   13   14