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Thursday, January 20, 2011

Types of Computers

1. Analog Computer
This computer works on the continous changing values such as temporature, pressure, speed etc. Thermometer, Speedometer are the example of analog devices. Presfley is an example of Analog computer.

2. Digital Computer
It operates on digital of discrete data such as zero and data. This computer usually higher accuracy, storage capacity then analog computers Laptop,Desktop PCare the examples of digital computers.

3. Hybrid Computers
It is the combination of analog and digital computers. It can work on both data and can convert analog data into digital and vice-versa. It is a special purpose computers. It is mainly used for controlling automated industry, diagnosis in hospital etc.

4. Super computers
It is the most fastest and expensive computer. It is a special purpose computer. It is mainly use for controlling automated industry,rocket launching system, controlling satelites and scientific researches. The examples of super computer are CRAY, PARAM, ANURAG etc.

5. Main frame computer
It is the largest computers on the basis of size. It occupies around 1,000 squares feet area. It occupies more than 100 termonals. It is mainly use for storing huge amount of data. IBM 1401 was the first computer brought to Nepal. The different development of mainframe are IBM,HCL, DEC etc.

6. Mini computer
It is the smaller version of mainframe computer. It occupies area of around 100 square feet and has the terminals less than 100. It also use for data storage in medium sized organization. Different developers of mini computers are HP,IBM, NCL,etc.

7. Micro computers
It is a smallest computer on the base of size. It is also the cheapest, slowest and has a least storage capacity, It is diveloped for a single user. So it is also called Personal Computer(Pc). The processor used by micro computer is micrfo processor. Micro computer can be portable and non portable. Portable micro

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