Classification of computer on the basis of its size are categorize into following types:
Now let's define all the above types of computer on the basis of its size.
Desktop computers, laptops, gaming consoles, sound and navigation system of a car, personal digital assistant (PDA), tablets and smartphones are all types of microcomputers.
The microcomputers are widely used and the fastest growing computers. These computers are the cheapest among the other three types of computers.
The microcomputers are specially designed for general purpose usage life entertainment, education, and work purposes.
Well-known manufacturers of microcomputers are:
Here are the list of some main characteristics of desktop computers:
Minicomputers also called as mid-range servers, are more powerful computers than microcomputers in terms of processing power and capabilities.
Minicomputers are mainly multi-user systems where many user simultaneously work on the systems.
Minicomputers posses greater storage capacity and larger memories as compared to microcomputer. These are even capable of handling more input/output devices.
Examples of minicomputers are:
Mainframe computers are designed to handle huge volumes of data and information. These can support more than 100 users at same time. These very large and expensive computers have great processing speed and very large storage capacity and memory as compared to minicomputers.
These computers even posses and work with more than one processor at the same time. Thus one can say these are multi-user, multiprocessor systems.
For mainframe computers, very sophisticated operating systems are needed to control and supervise their operation.
Examples of Mainframe computers are:
Here are the list of some main characteristics of mainframe computers:
Supercomputers are the most powerful computers among digital computers. These consists of several processors running together thereby making them immensely faster and powerful.
These computers are capable of handling huge amounts of calculations that are beyond human capabilities.
Super computers can perform billions of instructions per second. Some of the today's supercomputers have the computing capability equal to that of 40000 microcomputers.
A Japanese supercomputer has calculated the value of Pi to 16 million decimal places.
Supercomputers are mainly used in following purposes or applications:
Examples of supercomputer are:
Here are the list of some main characteristics of supercomputers:
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