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Recap
Machines are human-made things.
We see many things around us. Some are natural and some are human-made.
Computer is a machine that can do many kinds of work.
Machines make our work easy.
Machines also save our time.
Computers are used in schools, offices, hospitals, shops, railway stations,
airports, and many other places.
Exercise
A. Tick (✓) the correct option.
1. Which of the following is a machine?
a. b. c.
2. Which of the following machine helps us to solve sums?
a. b. c.
3. In schools, computers are used for:
a. b. c.
12 Play (Ver. 2.1)-I

