PCの販売台数シェアおよび総販売台数の推移 1976-1982
1982年分は見積もり値
| Company | 1976 | 1978 | 1980 | 1982 |
| MITS | 25% | |||
| IMSAI | 17% | |||
| ProcessorTechnology | 8% | |||
| RadioShack | 50% | 26% | 18% | |
| Commodore | 12% | 20% | 16% | |
| Apple | 10% | 19% | 23% | |
| IBM | 14% | |||
| NEC | 7% | |||
| Osborne | 7% | |||
| Other | 50% | 28% | 35% | 15% |
| Total | 100% | 100% | 100% | 100% |
| Total Units | 15,000 | 200,000 | 500,000 | 1,500,000 |
[原出典]
1976年 McGlynn,Daniel (1979) Personal Computing,Wiley Pub., p.29.
1978年 McGlynn,Daniel (1979) Personal Computing,Wiley Pub., p.30.
1980年 Dataquest
1982年 様々な情報源に基づく著者の見積もり
[引用元]
Farner, Gary Noble (1982) A competitive Analysis of the personal computer industry, unpublished S.M. thesis (Cambridge, Mass.: MIT Alfred P. Sloan School of Management), May 1982., p.18のTable 3.1 PC Industry Unit Sales and Concentration
［関連参考データ］米国の主要PCメーカーの1979年および1982年の世界売上高(単位 100万ドル）
| 会社名 | 1979年 | 1982年 |
| Apple | 75 | 664 |
| IBM | – | 500 |
| Tandy {Radio Shack) | 150 | 466 |
| Commodore | 55 | 368 |
| Hewlett-Packard | NA | 235 |
| Texas Instruments | – | 233 |
| Digital Equipment Corp.(DEC) | – | 200 |
[引用元]
International competitiveness in electronics, University of Michigan Library,p.149のTable 38.-Major U.S. Manufacturers Ranked by 1982 Worldwide Microcomputer Sales
[原出典]
1979年 ”The Datamation 100,” Datamation, June 1980, p 87
1932年 Archbold,P. (1983) “The Datamation 100 Welcome to the Club,” Datamation, June 1983, p.87