1. Research And Development
... 18,000 vacuum tubes and fills 3000 cubic feet of space. 1947 AT&T scientists invent the "transfer resistance device" later known as the transistor. It replaces the less reliable vacuum tubes in computers. 1961 Bob Noyce (who later founded Intel Corporation) and Jack Kilby invent the first integrated circuit, which miniaturizes electronic circuitry into a single ... Computer "clones" the IBM machines; others do the same. Eventually Compaq becomes the leading seller of personal computers. 1984 Apple introduces its Macintosh computer, with its "user-friendly" icons, attached mouse, and a pr...
- Word Count: 5057
- Approx Pages: 20
- Has Bibliography
- Grade Level: Undergraduate