Computer program - a clearly defined sequence of operations to carry out a system of universal techniques. Personal computer (PC) can be used to help a person without the participants. For user interaction in virtual reality devices screen, keyboard and mouse and an alphanumeric or graphic dialogue occurs through multiple mediums.
PC configuration can be changed as needed. However, an understanding of the basic configuration, which can be considered to have a typical :
system unit ;
control;
keyboard;
mouse.
The portable version of computers (laptop or notebook performance) are available. In this case, the system unit, monitor and keyboard are placed in one case: the system is integrated into the lid below the keyboard and monitor.
System unit - the main component of a PC in the middle of the main components. The system unit is in the middle of the internal devices and external devices connected to said. In addition to the input and output of external devices are called peripheral.
View, the system blocks (desktop) or vertical (tower) can be implemented in a wide variety of horizontal, there is a form of strength. The vertical section of the run can be different sizes: full-size (BigTower), medium (MidiTower), small size (MiniTower). Narrow (Full - AT) and very narrow (Baby - AT): The horizontal section of the execution of two formats. In addition to the personal computer casings of various design features and elements (locking elements from unauthorized access, dust shutters internal temperature control) is.
Enclosures housing is one of the parameters is supplied with power from the power supply. 200-250 watts is enough power for massive models.
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