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COMPUTER—A SMART MACHINE
In the previous class, you have learned that machines make our work easy
and efficient.
A computer is a smart machine which helps us to do many things like watching
movies, listening to music, playing games, drawing pictures, writing letters, solving
sums, etc. It works on electricity. Hence, computer is called an electronic machine.
In this chapter, we are going to explore how computer is different from humans.
PURE
The earliest robot ever created was in 1950 by George C. Devol. FACT
COMPUTERS AND HUMANS
Computers have become an important part of our lives but they are very
different from us. Let us see how.
Humans cannot work as fast
Computers work fast.
as computers.
Computers cannot make mistakes. Humans can make mistakes.
Computers cannot get tired Humans can get tired and bored.
or bored.
Humans can work without
Computers need instructions to work.
instructions.
Computers cannot take decisions Humans can take decisions
on their own. on their own.
Computers store everything in Humans can forget information
the memory and never forget. stored in their brain.
Humans do not need electricity
Computers work on electricity.
to work.
8 Trackpad (Version 1.0)-II

