Browse Items (101 total)

Historical context:D.G.A. ELECTRONICS LTD. was founded by Doug Atkinson in 1977 in Toronto, Ontario, as an electronics design firm. It specialized in the development of custom computer hardware and software including single board computers.The D.G.A.…

DATAR project: scans of photographs and front pages of technical documents. For full listing of DATAR-related documents and photographs, consult DATAR Collection.

DY-4 Systems Inc. Challenger I microcomputer model number 953 Chassis, serial number S9538303008.

DY-4 DSM 6816 Microcomputer model number DS6816-002, serial number 105424

Various DVME computer boards designed by DY 4including:

DVME 102 Single Board Computer
DVME 105 Single Board Microcomputer
DVME 134 32 bit CPU
DVME 201 Eight Serial and Dual-Parallel Port I/O Board
DVME 704 Intelligent Serial I/O Module…

Rack mounted SDK computer system consisting of 2 cages of SDK boards and 2 power supply's. Note attached stating "Property of DY-4 Systems, Product Number FA-85-0159"

The system includes the DY-4 following boards:

STD 102
STD 188
STD 325
STD…

Historical Context In 1973, C. Murray Bell incorporated Dynalogic Corporation in Ottawa to design, develop, and manufacture floppy disk drive systems that could be interfaced with a range of computers and programmable calculators. The floppy diskette…

Historical ContextBetween November 1971 and April, 1972, Intel Corp. of Santa Clara, California, introduced its first two microprocessors -- the 4-bit 4004 and the 8-bit 8008. Soon after, the prototypes of the first general purpose computers powered…

Historical context:Academic computing in Canada started to develop in the early 1950s. The first commercial digital electronic computer—a Ferranti Mark I (nicknamed FERRUT)—was installed at the University of Toronto in 1952. For several years, FERRUT…

Founded in 1979, Exceltronix was one of the largest and popular electronics stores of the 1980s in Toronto. From a retail store specializing in electronic components, Exceltronix had expanded into a group of companies (Exceltronix, Multiflex, Toronto…