In March 1951, The Eckert and Mauchly Computer Co. of Philadelphia delivered the UNIVAC 1 (Universal Automatic Computer) to the U.S. Census Bureau. The machine was put into service on June 14, 1951. It was retired on October 3, 1963 after 73,000 hours of operation. In the meantime, Remington Rand (now Unisys Corp.) sold 45 UNIVAC 1 machines to […]
1979 Z80 Starter Kit
In the late 70’s, the Z80 was the most powerful 8-bit processor available on the market, with its instruction set of 158 instruction types and clear, easy to learn mnemonics, making it an ideal processor on which to learn assembly language programming. In 1979, S.D. Systems and Micro Design Concepts released the Z80 Starter Kit […]
1970 DEC PDP-11
PDP-11 was a series of 16-bit minicomputers manufactured by Digital Equipment Corp. in the 1970s and 1980s. It pioneered the interconnection of all system elements—processor, RAM, and peripherals—to a single, bidirectional, asynchronous communication bus. This device, called Unibus, allowed devices to send, receive, or exchange data without the need for an intermediate memory pass. The […]
1965 DEC PDP-8
The 12-bit PDP-8 machine was the first commercially successful (for it was) minicomputer, produced by Digital Equipment Corporation (DEC) in the 1960s. DEC introduced it on March 22, 1965, and it sold over 50,000 systems, plus than any computer to date.[1] It was the first widely sold computer of DEC’s series of computers (the PDP-5 […]