A gateway is a router or a proxy server that routes between networks. A controller is a chip, an expansion card, or a stand-alone device that interfaces with a peripheral device.

Pen which uses ink in which pigment is suspended in a water-based gel. Because the ink is thick and opaque, it shows up more clearly on dark or slick surfaces than the typical inks used in ballpoint or felt tip pens. Gel pens can be used for many types of writing and illustration.

Here can be a short description of this collection.

Here can be a short description of this collection.

Here can be a short description of this collection.

Here can be a short description of this collection.

Here can be a short description of this collection.

Here can be a short description of this collection.

The graphics card, also known as the video card, is the complete graphical subsystem of the PC. It is responsible for the quality and speed of video processing. For users that wish to play games or work with multimedia applications, it is especially important to have a video board with a high performance graphics processor and enough memory.