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The Macintosh 512K is a personal computer manufactured by Apple and marketed from September 10, 1984 to April 14, 1986. The Macintosh 512K is the second computer (in order of time) of the Macintosh family and belongs to the first series of the classic Macintosh: it was presented as an update of the first Macintosh and has been replaced by the Macintosh 512K.
The MOS KIM-1 ("KIM" is the acronym of the English Keyboard Input Monitor, subsequently CBM KIM-1) is a microcomputer based on the MOS 6502 microprocessor designed and marketed by MOS Technology in the United States of America since 1975 It changed its name following Commodore International's acquisition of the company in 1976. Among the first microcomputers in history, the MOS KIM-1 was a great success due to its low price ($ 250 at launch) and ample expansion possibilities.
The Microprofessor I, introduced in 1981 by Multitech (which changed its name to Acer in 1987), was the first Multitech-branded computer and one of the longest-selling computers. The Microprofessor I consists of an electronic board based on the Zilog Z80 processor: it is designed to teach the fundamentals of machine language and assembly. The Microprofessor I does not have the appearance of a classic microcomputer: it is enclosed in a sealed book-shaped plastic casing that can contain the language manual, 2 cassettes and a learning manual. When closed, it has the appearance and dimensions of a book and can therefore be placed in a bookcase or carried with you comfortably.
The Ping-o-tronic is a first generation video game console produced by Zanussi and released under the Sèleco brand in late 1974. In the game mode it is similar to Pong. It was the first console of Italian production. In December 1974 it was on sale for 49,000 lire.
Synertek SYM-1 is a microcomputer produced by Synertek in 1978, based on the MOS 6502 microprocessor. Originally called VIM-1 (Versatile Input Monitor), the name was changed in mid 1978 to SYM-1 under pressure from MOS Technology.
The Tomy Tutor, originally sold in Japan as the Pyūta (ぴゅう太) and in the UK as the Grandstand Tutor, is a home computer produced by the Japanese toymaker Tomy. It was architecturally similar, but not identical, to the Texas Instruments TI-99/4A, and used a similar Texas Instruments 16-bit CPU.The computer was launched in the UK and the United States in 1983. Outside Japan, however, sales were not significant.
