{"title":"微机接口——过去的发展，可能的发展方向","authors":"R. Sparkes","doi":"10.1049/ESN.1989.0015","DOIUrl":null,"url":null,"abstract":"This year marks the tenth anniversary in Britain of the first microcomputer interface for schools. This was a Commodore device, which had four digital inputs and four digital outputs and ran from the user port of the PET 2001 microcomputer via a set of simple control programs. The PET 2001 itself had 8K of RAM, its screen resolution was 4000 dots and it stored programs on cassette tape.","PeriodicalId":281111,"journal":{"name":"Electronic Systems News","volume":"48 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1989-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Microcomputer interfacing—past developments, possible ways forward\",\"authors\":\"R. Sparkes\",\"doi\":\"10.1049/ESN.1989.0015\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This year marks the tenth anniversary in Britain of the first microcomputer interface for schools. This was a Commodore device, which had four digital inputs and four digital outputs and ran from the user port of the PET 2001 microcomputer via a set of simple control programs. The PET 2001 itself had 8K of RAM, its screen resolution was 4000 dots and it stored programs on cassette tape.\",\"PeriodicalId\":281111,\"journal\":{\"name\":\"Electronic Systems News\",\"volume\":\"48 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1989-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Electronic Systems News\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1049/ESN.1989.0015\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Electronic Systems News","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1049/ESN.1989.0015","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Microcomputer interfacing—past developments, possible ways forward
This year marks the tenth anniversary in Britain of the first microcomputer interface for schools. This was a Commodore device, which had four digital inputs and four digital outputs and ran from the user port of the PET 2001 microcomputer via a set of simple control programs. The PET 2001 itself had 8K of RAM, its screen resolution was 4000 dots and it stored programs on cassette tape.
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