Posts

Showing posts with the label scaner

Parts of a Computer

Image
The use of computer has increased very fast today. A lot of people have used it either in government offices and companies, in private companies or for private uses. By using computer people can do some of their work more easily, fast and more effectively. Physically computer consists of input device, CPU (Central Processing Unit) and output device. Input device is the device used to communicate with computer. We can give instructions and input data by typing them through input device such as keyboard, mouse, scanner, etc. CPU is the device used to process the data. CPU consists of two basic units. They are processor and register. Processor is the centre of processing and register is a unit of filing used to file instructions and data which have been processed by CPU. Register consists of two parts. They are internal and external storage. Diskette and hard disk belong to external storage. Output device is the device used to show the result of process. Monitor and printer ...