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Chapter Profile
Chapter Profile
1 Natural and Human-Made Things
What are Machines?
Computer—A Computer—A Wonderful
Machine
Wonderful
Machine
Hello children! Look at this picture.
Do you know what is this?
This is a Computer.
NATURAL AND HUMAN-MADE THINGS
We see many things around us. Some are natural and some are human-made.
Computer—A Wonderful Machine 7

