<A target="_blank" href="http://www.wired.com/gadgetlab/2011/08/ibm-handson/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+wired%2Findex+%28Wired%3A+Index+3+%28Top+Stories+2%29%29">The personal computer is 30 years old. The IBM 5150 was among the first PCs sold.</A> It displayed 80 characters across the screen and about 23 lines, had no graphics, and you had to type everything in.