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Tandy/Radio Shack TRS-80 Model I. In the mid-1970s, Tandy Corporation's Radio Shack division was a successful American chain of more than 3,000 electronics stores. Among the Tandy employees who purchased a MITS Altair kit computer was buyer Don French, who began designing his own computer and showed it to the vice president of manufacturing John V. Roach, Tandy's former electronic data ...
The RadioShack TRS-80 Color Computer, later marketed as the Tandy Color Computer, is a series of home computers developed and sold by Tandy Corporation.Despite sharing a name with the earlier TRS-80, the Color Computer is a completely different system and a radical departure in design based on the Motorola 6809E processor rather than the Zilog Z80 of earlier models.
TRS-80 was a brand associated with several desktop microcomputer lines sold by Tandy Corporation through their Radio Shack stores. It was first used on the original TRS-80 (later known as the Model I), one of the earliest mass-produced personal computers. [1] However, Tandy later used the TRS-80 name on a number of different computer lines ...
The Model 16 evolved into the TRS-80 Model 16B with 256 KB in July 1983, [27] and later in 1985, the Tandy 6000, gaining an internal hard drive along the way and switching to an 8 MHz 68000. Tandy offered 8.4 MB, 15 MB, 35 MB, and 70 MB external hard drives, up to 768 KB of RAM, and up to six additional RS-232 serial ports supporting multi-user ...
TRS-80 Pocket Computer PC-1 with Realistic Minisette 9 Tandy PC-4 Pocket Computer Tandy PC-6 with 8 KB memory expansion card installed and a compatible cassette interface Tandy PC-8 Pocket Computer. The Tandy Pocket Computer or TRS-80 Pocket Computer is a line of pocket computers sold by Tandy Corporation under the Tandy or Radio Shack TRS-80 ...
TRS-80 Model 4, 1983 non-gate array version. Tandy Corporation introduced the TRS-80 Model 4 on April 26, 1983 as the successor to the TRS-80 Model III.The Model 4 has a faster Z80A 4 MHz CPU, [5] larger video display of 80 columns by 24 rows, bigger keyboard, and can be upgraded to 128KB of RAM.
The TRS-80 MC-10 microcomputer is a lesser-known member of the TRS-80 line of home computers, produced by Tandy Corporation in the early 1980s and sold through their RadioShack chain of electronics stores. It was a low-cost alternative to Tandy's own TRS-80 Color Computer to compete with entry-level machines such as the VIC-20 and Sinclair ZX81.
The internals of the TRS-80 Model 100. The left half is the back. Processor: 8-bit Oki 80C85, CMOS, 2.4576 MHz; Memory: 32 KB ROM; 8, 16, 24, or 32 KB static RAM.Machines with less than 32 KB can be expanded in 8 KB increments of plug-in static RAM modules from Radio Shack or in various capacities from 3rd party vendors.