What are the three areas in which current computer application fields can be roughly divided?

The current application fields of computers can be roughly divided into three aspects, namely: 1. Real-time control, which can perform calculations or process transactions within a certain time and respond to external events; 2. Scientific computing, Apply computers to handle mathematical calculations encountered in scientific research and engineering technology; 3. Data processing.

Computer application is the study of theories, methods, technologies and systems used in various fields of computers. It is an edge subject that combines computer science with other disciplines. It is Components of computer science. Computer application is an activity that provides guidelines for participation and implementation in social activities.

The three aspects of computer application fields are: real-time control, scientific computing and data processing

Real-time control

The process of modern industrial production control. A real-time system is a computer system that is capable of performing calculations or processing transactions within a defined period of time and responding to external events.

Real-time systems can be divided into real-time control systems and real-time information systems. The main difference between the two is the service object and the response time requirements. Real-time control systems are usually computer-centered process control systems, also known as computer control systems.

Scientific Computing

Scientific computing refers to the entire process of using computers to reproduce, predict and discover the movement laws and evolutionary characteristics of the objective world. Scientific computing is the use of computers to perform numerical calculations to solve mathematical problems in science and engineering.

In modern science and engineering technology, we often encounter a large number of complex mathematical calculation problems. These problems are very difficult to solve with general computing tools, but very easy to solve with computers.

The laws of natural science are usually expressed by various types of mathematical equations, and the purpose of scientific computing is to find numerical solutions to these equations. This kind of calculation involves a huge amount of calculations, and simple calculation tools are difficult to handle. Before the advent of computers, scientific research and engineering design mainly relied on experiments or experiments to provide data, and calculations only played a supporting role. The rapid development of computers makes more and more complex calculations possible. The use of computers for scientific calculations has brought huge economic benefits, and it has also brought about fundamental changes in science and technology itself: traditional science and technology only include two components: theory and experiment. With the use of computers, calculation has become an equally important third component. components.

Data processing

Information management is the most widely used field of computers. Use computers to process, manage and operate any form of data, such as enterprise management, material management, report statistics, account calculations, information retrieval, etc. Many domestic institutions have built their own management information systems (MIS); manufacturing enterprises have also begun to use manufacturing resource planning software (MRP), and the commercial circulation field is gradually using electronic information exchange systems (EDI), which is the so-called paperless trade.

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