Transistors enabled computers to become smaller and more efficient, yet with greater complexity of design. By 1959 practically all computer manufacturers used transistors.

Let's tackle each concern, one at a time. What Do You Need The Computer For? Before you buy any computer—new or used—you should ask yourself what you're planning to do with it.

The computer has been around for a long time, but you'd hardly recognize the earliest versions. The first computer was mechanical, and it started a revolution.

The business applications for computer vision—when machines can see, process and then act on visual input—are nearly endless. What seems like a fairly straightforward skill took decades of ...