Dell Desktop Studio Hybrid
This part of the article 'Part 2', I intend to focus on the classification of computer. It is very important to know the classification of a specific computer system belongs, as this will help to differentiate clearly between them when they meet.
Classification of Computer:
In this section, we give the classification of computers on the type of data they handle, Purpose and physical size.
Rating data process:
Digital Computers:
The digital computers convert all data into binary form, process the data in binary form, but the processed information is converted to decimal form. The output of digital computers are usually discrete values. Digital computers are very accurate, examples include desk calculators, some computers and calculators. Most business applications use digital computers.
Analogue computers:
Analogue computers represent data on a continuous basis, using physical quantities. Its accuracy depends on the measurement made, and is not as precise as digital computers. These types of computers are used for scientific or engineering. Examples include the gasoline pumps, speedometers, and Voltmeters all these instruments.
Hybrid computer:
Hybrid computers combine the best features of analog and digital computers. Using digitizers, hybrid computers accept analog and digital output values. They are used in highly scientific. The hybrid has the speed of analog and precision of digital computers.
Rating destination
Using this basis, the two main classes are explained below:
Special Purpose Computers:
These computers are designed to perform specific tasks. They have built-in programs, which are stored in a portion of memory principal called Read Only Memory (ROM). The content of this type of memory can be accessed and executed by the computer, but can not be modified by the User. Examples computers that are designed for use in digital watches.
General Purpose Computers:
These are computers that are not specifically designed or built for specific jobs. They solve different types of problems, depending on the program or software uploaded to them. Its main memory is typically random access memory (RAM). An example of this type of computers are found in business, scientific and commercial environment.
Classification by Physical Size:
Microcomputer: Microcomputer is at the lower end of the scale in terms of computer speed and storage capacity. Your CPU is a microprocessor. The first microprocessors were built of 8-bit microprocessors. The most common application of personal computers (PC) are in this category. The PC supports a number of input devices and output. Examples of personal computers are IBM PC, PC-AT etc.
Mini Computer: This is the project to support more than one User at a time. It has large storage capacity and operates at a higher speed. The mini-computer is used in multi-User system where multiple users to work at the same time. This type of computer is generally used for processing large volumes of data in an organization. They are also used as servers in local area networks (LAN).
Mainframes: These types of computers are usually 32-bit microprocessors. They operate at a very high speed, is capable very large storage and can handle the workload of many users. They are generally used in centralized databases. They are also used as control nodes in Wide Area Networks (WAN). Examples are December, ICL and IBM 3000 series.
Supercomputer: They are the fastest machines and more expensive. They have high processing speed compared to other computers. They have also multiprocessing technique. One of the ways in which the supercomputer are built is through the interconnection of hundreds of microprocessors. Supercomputers are being used primarily for weather forecasting biomedical research, the design of aircraft remote sensing, and other areas of science and technology. Examples are CRAY YMP, CRAY2, NEC SX-3, Cray XMP and PARAM in India.
By Emmanuel Effiong
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