When you turn a tap, it is analog control. When you switch on
a light, it is like digital. Digital is High or Low, Yes or
No. In CMOS Logic it is like 5V and 0V. A Data Stream is made
of 1s and 0s.
A bimetallic thermostat is like a simple mechanical computer.
Where the bimetal response is the sensor input, the contacts
are the output to actuator and the bimetal thermal behavior is
of the nature of intelligence. Similarly we have opamps which
can be real-time complex analog computers.
And the Living Being is like a biological robot, which has
all the things - a control systems, computers, sensors and
actuators, even probably a wireless network. :-)
20th May 2020
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