Types of Computers

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There are four main types of computers, namely Microcomputers, Minicomputers, Mainframes, and Supercomputers.Computers have different types of capabilities and are of different sizes. Classification of computers is based on the usage, speed, and size of c

Types of Computers

Computers perform a vast range of functions. Some computers are so powerful that hundreds or even thousands of users can use them at a single instant. Computers have different types of capabilities and are of different sizes. Classification of computers is based on the usage, speed, and size of computers. There are four main types of computers, namely Microcomputers, Minicomputers, Mainframes, and Supercomputers.

Microcomputer

Microcomputer, also known as a personal computer, is a digital computer that works on a microprocessor. Microcomputers are the most common types of computers. Microcomputers are small machines designed for individual users. Average people who have a basic knowledge of computers can use microcomputers. Individuals in homes and offices are major users of the microcomputer. It is an inexpensive computer that performs tasks such as word processing, desktop publishing, and accounting. Microcomputer is also useful for running spreadsheets and database management applications.

Microcomputers are widely used for entertainment purposes such as for playing games, listening music, and watching movies. The microcomputer is also widely used to access the Internet. Like microcomputer have several advantages, such as small size, low cost, and portability. Its main disadvantage is that the speed of processing is low as compared to other types of computers.

Minicomputer

Minicomputer is a midsized multiprocessing and multi-user computer. Multiprocessing is the

process of running multiple programs or processes at a given instant. The minicomputer is a medium range computer. It is also known as the mid-range servers. Minicomputers fall in between the microcomputers and the mainframes.

The advantage of using minicomputer is that it can cater to multiple users at a lower cost than mainframes. Minicomputers are ideal for small-sized companies. The disadvantage of the minicomputers is that they are large and bulky.

Mainframe

Initially, mainframes were huge computers occupying entire rooms or floors. Mainframes were used to serve as the center of large systems in companies. They were designed to serve the purpose of centralized computing instead of the distributed computing. With the development n the field of computing, the size of mainframes has reduced and the power has increased.

They now serve distributed users and small servers in a computing network. They are also known as enterprise servers. Mainframes are very large and expensive computers. Thousands of people can use a mainframe at a time. It can process millions of transactions every day.

The advantage of mainframe is that it can support many users and instructions due to its incomparable memory and processing speed. The disadvantage of mainframe is its huge size and enormous cost. As a result, Mainframes are widely used in large companies worldwide. Mainframes specialize in processing bulks of data, hence are widely used in government organizations.

Supercomputer

Supercomputer is the fastest and most expensive type of computer. Supercomputers specialize in high-speed processing of data. Applications that use large amounts of calculations use supercomputers. Some of these applications are molecular chemistry, nuclear research, weather reports, and advanced physics.

Supercomputer can be a single or multiple computer system. In multiple computer system, a supercomputer consists of several computers that work in parallel as a single system. The advantage of supercomputers is their speed, which is unmatched by any other type of computer. The major disadvantage of supercomputers is the heat they generate during their operation. Hence, it is important to use effective cooling solutions. Also, a supercomputer tends to specialize in numerical applications and does not perform as well on other applications.

 

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