In just thirty years ago, nobody could tell what is a computer. Times have changed and today it's hard to imagine a modern home or office without modern computer. In fact, building a computer takes about 90 minutes.
The first stage in is the hard disk. The reading head reads the information. This is a very accurate device, the distance between it and the disc does not exceed the thickness of a human hair. The hard disk is installed in a special compartment in the system unit. To store the information there are two of the components. Removable disk storage and CD ROM drives to read and carry out programs recorded on CD.
What is modern computer in a modern world?
Computer motherboard you can compare with the spine, because that's what joins all the other components. On the motherboard there are connectors for the respective devices, thermal sensors to measure temperature, as well as already built into its devices.
Processor is the brain of the system. He identifies, calculates and executes instructions. Processor is installed in a special slot. The processor fan cools it in a high heat. The effectiveness of the fan depends on the conductive material, a material that provides better cooling.
Memory retains a short-term information, and deletes it after power off. This memory has an access time of less than, for example, hard disk or CD.
Computer case protects the components from external impact. Some split, such as network indicators, or button power, or reset connect to the motherboard. The power supply converts the electrical voltage in accordance with the needs of the various components.
These is the typical structure of a modern computer
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