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The robot features light, sound, and motion detectors as well as a sonar ranging sensor. An optional arm mechanism and speech synthesizer was produced for the kit form and included in the assembled form. [6] [7] To make this power available in a simple way, high-level programming languages were created.
HDOS is an early microcomputer operating system, originally written for the Heathkit H8 computer system and later also available for the Heathkit H89 and Zenith Z-89 computers. The author was Heath Company employee Gordon Letwin , who later was an early employee of Microsoft and lead architect of OS/2 .
After closing that business, the Heath Company continued with its products for education, and motion-sensor lighting controls. The lighting control business was sold around 2000. The company announced in 2011 that they were reentering the kit business after a 20-year hiatus but then filed for bankruptcy in 2012, [ 2 ] and under new ownership ...
The Zenith Z-89 is based on the Zilog Z80 microprocessor running at 2.048 MHz, and supports the HDOS and CP/M operating systems. The US$2295 Z-89 is integrated in a terminal-like enclosure with a non-detachable keyboard, 12-inch monochrome CRT with a 80x25 character screen, 48 KB RAM, and a 5.25" floppy disk drive.
Zenith Data Systems Corporation (ZDS) was an American computer systems manufacturing company active from 1979 to 1996.It was originally a division of the Zenith Radio Company (later Zenith Electronics), after they had purchased the Heath Company and, by extension, their Heathkit line of electronic kits and kit microcomputers, from Schlumberger in October 1979.
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Another notable change is the replacement of the front-panel toggle switches and lights of a standard early-model S-100 system with a keypad and seven-segment LED display (early S-100 machines like the Altair or IMSAI 8080 contain no ROM and when they are started, the user "keys in" a program via the toggle switches to read a paper tape. Once ...
In 1979, Zenith entered the computer market with the purchase of Heath Company from Schlumberger for $64.5 million, forming Zenith Data Systems (ZDS). [17] The company changed its name to Zenith Electronics Corporation in 1984 to reflect its interests in computers and CATV , having left the radio business two years earlier.