Introduction The computer as we know it is a group of pieces of hardware put together to get a job done faster. To accomplish its various tasks, the computer is made of different parts, each serving a particular purpose in conjunction with other parts. You don't necessarily need to know how these parts operate, at least not at this time, but you should be aware of their co-dependence to take advantage of their various characteristics. The "computer" is an ensemble of different machines tha...