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To save the cost of a dedicated monitor, the home computer would often connect through an RF modulator to the family TV set, which served as both video display and sound system. [17] The rise of the home computer also led to a fundamental shift during the early 1980s in where and how computers were purchased.
A hobby-type computer often would have required significant expansion of memory and peripherals to make it useful for the usual role of a factory-made home computer. School computers usually had facilities to share expensive peripherals such as disk drives and printers, and often had provision for central administration.
Letters began to come to the editors of the Radio magazine with requests to simplify the design of the Micro-80 and, to facilitate assembly, develop printed circuit boards for it. Therefore, soon, already in 1986, the same authors published a much simpler Radio 86RK computer, containing only 29 microcircuits. [3]
According to the IEEE Annals of Computer History, the MCM/70 is the earliest commercial, non-kit personal computer. [32] IBM 5100: 1975: An early portable computer with integrated monitor; the 5100 was possibly one of the first portable microcomputers using a CRT display. Sphere 1: 1975: A personal computer that was among the earliest complete ...
A TV screen served as the monitor. The VIC-20 became the first computer to sell 1 million units. July US Tandy released the TRS-80 Color Computer, based on the Motorola 6809E processor and using Microsoft BASIC as its programming language. It was the first Tandy computer to support color graphics, and also supported cartridge programs and games ...
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 ...
Very early PCs used one of the much simpler (even compared to most home computer video hardware) video display controller cards, using parts like the MDA, the Hercules Graphics Card, the CGA and the EGA standard). Only after the introduction of the VGA standard could PCs really compete with the home computers of the same era, such as the Amiga ...
The ABC 80 (Advanced BASIC Computer 80) is a home computer engineered by the Swedish corporation Dataindustrier AB (DIAB) and manufactured by Luxor in Motala, Sweden in the late 1970s and early 1980s. [3] It was introduced on the market in August 1978. [4]