So, what does the computer system unit consist of? An important clarification here is that under the word “computer” different people can mean, oddly enough, different things: a monitor, a printer, a computer case, even … a computer mouse! But what about? Indeed, “the arrow on the monitor does not move” means that the computer is not working! 🙂 But you and I will be interested in exactly that “iron box that stands under the table”, and the name is its system unit! 🙂
Note: the system unit, as a rule, is called a computer already assembled and ready for operation, and the case is just an iron box into which its various components can be installed.
For greater clarity (to consider all the components of the computer separately), you can read the article on assembling a computer with your own hands. Continue reading
Do you know what types of printers are?
There were no monitors before, and the information was printed exclusively on paper, so the printer can be called the first output device. But printers did not share the fate of typewriters, and today they remain an important device in our daily lives. Neither offices, nor offices, nor banks, nor cash desks do without printers. And many people in the house have their personal printer.
There are three types of home printers: dot-matrix, ink-jet and laser. Each of them has its own characteristics, its pros and cons. Continue reading