1. Computer generation and their classification Computer architecture and working principles

Videoadapter - the image on the data which store the memory of a certain portion in the monitor reflected was indicating signal, and sinxronizasiya signal horizontal (satrli) and vertical (column on) distribution, forms. Most of the first Cityin klar monitor the task in the household from television used is, now while the computer 's power, powerful graphics to a station turned reached was. This time within the boards and the standards of a few generations exchange. At first, MDA (Monocrome Display Adapter - display - monochrome adapter) standard appearance is. MDA boards fixing only alfavitraqamli information to extract the able - no , what kind of graphics and colors provide just can't. MDA is the place to come CGA (Color Graphics Adapter - color graphics adapter) is not only text, but also graphics mode also work and available are the ten six colors to four, he show could. The next stage HAVE (Enhansed Graphic Adaptor — enhanced graphics adapter) on the screen visible colors to the number 64 is a color from a palette of 16 colors bring and to the screen , which is the graphics quality is much improved. HAVING standards of emergence to graphics programs, including the microsoft Windows operating system capacity expansion and renowned be to go to a factor is. Today also using which comes with vga (Video Graphics Array) is the most successful videostandart is, however to the present day, it also improvement, mwf (super video graphics array) standard held. You C 's first option in the color palette 262144 from 256 different colors to ensure there is appreciation, then the VGA with on to come to the boards of the appearance is that, in them the color on the difference 16.8 million up makes. Keyboard - the user by the data to the computer to add the designed device. The key area , the number and location different from the same computer in any kind be can, but their function does not change.
The ibm pc ShK keyboard 2 in the same work out. Small - 83 units and large -101 one button click - able to , which is the keyboard. Larger keyboard to use very comfortable. Keyboard letters of joylanish on English (QWERTY) and French (AZERTY) standards will be. In some cases small keyboard - small discharge keyboard, large keyboard , while large discharge keyboard as also referred to. Shkni its capacity depending on the small keyboard 83, 89 tugmali option of republic's wide spread. Great keyboard 101, 104, 107,109 tugmali standard options there are. Great keyboard multimedia option also be, they 108-124 far up key area is there.