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Classification of Computer | Describe in detail

Classification of computer

Computer comes in many different sizes and ranges of power and different types of computer system have varying capabilities today computer system are classified the following categories

  • super computer
  • mainframe computer
  • mini computer
  • micro computer

Super computer

Super Computers are one of the classification of computer the most powerful and high electricity consuming computer made, and physically they are some of the largest. These systems are built to process huge amount of data and the fastest supercomputer can perform more than 1 trillion calculations per second. Some supercomputer such as cray T90 system can house thousand of processors.

This speed and power make supercomputers ideal fir handling large and highly complex problems that require extreme calculating power e.g. these computer help analyse and forecast global weather patterns, nuclear scientists use these computers to perform complex calculation etc.

supercomputer can cost tens of millions of dollars and cents consume enough electricity to power dozen of homes because of their size and cost super computer are relatively rare used only by large corporation universities and government agencies that can affords them

Mainframe computers

The largest type of computer in common use is mainframe. Mainframe computers are used in large organization like insurance companies and bank where many people need frequent access to the same data which is usually organized into one or more huge data base.

Airlines use large mainframe systems for the flight scheduling reservation ticketing and meeting a range of customer service needs in traditional mainframe environment each user works at a computer terminal. A terminal is a monitor and a keyboard connected to a mainframe.

These computer are larger in size expensive can store huge amount of data( billion of records) and can support thousand of terminals these computer are basically used in networked environment as a single user can not utilize their full processing power. IBM s/390 is an example of mainframe computer

Mini Computer

Mini Computer is last in Classification of computer. They got their name because of their small size. These computers have less processing power than mainframe computer but have high processing power than microcomputer. Like mainframe, minicomputer are used in networked environment as server machine.

These computer are less expensive than mainframe computer and are ideal for organization that could afford mainframe or do not need the processing power of mainframe computer the HP 3000 are example of mini computer

Micro Computers

Micro computer also refer to personal preference computer are typical develop for individual users. These are less powerful machine as compare to minicomputer in 1981 IBM it first microcomputer the IBM-PC. Within a few years many other  manufacture copied the architecture and IBM compatible computers emerge in market

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