بخشی از مقاله انگلیسی: Introduction With the ever-increasing computing power of today’s PCs it is necessary to have supporting technology that is able to keep up and not bog down the system. Human interface devices and other peripherals that attach to a PC are usually the bottleneck when it comes to overall processor speed and data throughput.With processors working in excess of 1.5 GHz, hard disks that operate at a minimum of 7200 rpm, and CD-ROMs that read and write at upwards of ...