One of the more famous of these devices is the 74181, a cascadable 4-bit arithmetic logic unit, or ALU. An ALU is the heart of a microprocessor, performing its operations. The 74181 appeared in ...

Charles Thacker, who built the first personal computer while a member of the famed Xerox Palo Alto Research Center (Xerox PARC), passed away on Monday. He died at home from complications of ...