Classification according to technology
Computers can be classified according to the technology used. These are,
(I) Analog Computers
These computers use analog signals such as environmental parameters (speed, pressure, and temperature). Speedometers, road lamps with sensors, meteorological machines can be given as examples.
(II) Digital Computers
The computers used in day-to-day life are called digital computers. These computers use digital signals, using electricity.
(III) Hybrid Computers
This is a combination of analog and digital computers. The ECG machine used in hospitals to check the function of the heart is an example for hybrid computers. This machine identifies the function of the heart beat which is an analog signal. Then it is converted to a digital signal and these converted signals are printed by this machine.
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