Types of Computer
Generally, when we talk about computers, we mean a digital computer but in fact, the computer can be classified into three categories and they are: (1) Analog Computer (2) Digital Computer (3) Hybrid Computer (1) Analog Computer: Analog computer measures and answers the questions by following the method of “HOW MUCH”. The input data is not a number, digit or character but infact a “PHYSICAL QUANTITY” like mass, acceleration, temperature, speed , pressure etc. and which is always in continuous form. Applications: These are especially designed for Industrial applications like Petroleum Refineries, Chemical Plants, Electronic Power Plants. Examples: Analog thermometer, Pressure gauge , speedometer, Electricity meter, Weighing machine, etc. (2) Digital Computer: Digital computer counts and answers the questions by following the method of “HOW MANY”. The input data is represented by number, characters and digits and which is always