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Microcomputers started to be mass marketed in 1977 and the name “Personal Computer” appeared six years later when Hewlett Packard announced its 9100A personal computer. Microchip technology has significantly reduced the cost — and size — of the processor as its power increased and form factors became much more compact.
Although there are well over a billion PC’s in existence, smartphone and tablet technology have started to become prevalent in consumer markets around the world.
Image: Digital Breezes
The term nano robot refers to robots whose components are close to the scale of a nanometer (10-9 meters). Imagine a tiny sensor intended to detect cancer, or to perform nano surgery. Currently in research and development these robots have already been used to deliver drugs to the correct part of the body in terminal cancer patients.
Image: Nanotech Now
Satellite communications allow TV, radio, data and telephone transmissions to be sent anywhere in the world. Satellites are in orbit around the world, either moving or geo-stationary relative to the earth. They are powered by solar cells and batteries. They relay transmissions from one ground station to another via the network of satellites.
Image: ecat Report