Hybrid Embedded Computers and Special-Purpose Computers:-
Not at all computers are general-purpose machines. Many are special-purpose (dedicated) computers that perform specific tasks, ranging from controlling the temperature and humidity in a high-rise office building to monitoring your heart rate while you work out. Embedded computers enhance all kinds of consumer goods: wristwatches, stereos, videocassette recorders (VCRs), ovens, and even automobiles. Embedded computers are also widely used in industry, the military, immortalized on a silicon chip it becomes firmware, a hybrid of hardware and software.