What do we generally mean by computers?

The work of electronic computers is based on the principle of electronic pulse circuits, and its various functional components are composed of electronic circuits, in which the propagation of electric fields plays a major role. We know that the speed of electromagnetic field propagation is very fast. Now high-performance computers can perform more than tens of billions of addition operations per second. (Recommended learning: Web front -end video tutorial )

If a person can make an operation once in one second, then the general electronic computer's one -hour workload, one person alone, one person alone, one person alone, one person alone, one person alone, one person alone It has to be done for more than 100 years. In many cases, computing speed plays a decisive role. For example, computer-controlled navigation requires "computing speed faster than an airplane can fly."

Weather forecasting requires analyzing a large amount of data. For example, manual calculation requires ten days and a half, which loses the meaning of forecasting. With computers, weather forecasts for several days in an area can be calculated in a few minutes.

Extended information:

The difference between electronic digital computers and electronic analog computers:

1. Operation process Different

The information processed in an electronic digital computer is a digital quantity that is discrete in time, and the calculation process is discontinuous; the information processed in an electronic analog computer is a continuously changing physical quantity, and the calculation process is is continuous.

2. Different methods of processing data

Analog computers can handle continuously changing inputs of complex phenomena such as voltage changes and temperature fluctuations. A digital computer must reduce its input to simple binary language in order to accurately simulate the world.

3. Different application scope

Simulation computers are generally used as special simulation equipment, teaching and training tools. Digital computers have been widely used in scientific computing, data processing, auxiliary technology, process control, artificial intelligence, network applications and other fields.

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