- retrocomputing.stackexchange.com questions/7008/…Most direct competitors of the IBM PC were produced by companies that manufactured calculators, cash registers, and other business oriented machines.
- lowendmac.com 2006/origin-of-the-ibm-pc/August 12, 1981 marks the birth of the IBM PC, the computer that single-handedly turned personal computing to the business market.
- http://theinfolist.com php/SummaryGet.php…Sales exceeded IBM's expectations by as much as 800%, with the company at one point shipping as many as 40,000 PCs per month.
- pcworld.com article/416011/inside-the-ibm-pc-5150…The first IBM PC keyboard, seen here, borrowed heavily from the industrial-strength IBM System/23 Datamaster computer which preceded it.
- intellect.bond ibm-pc-history-2014Thus, the expensive modification of the IBM PC was created for business (where, by the way, it became quite widespread), and cheaper for the home.
- gunkies.org wiki/IBM_5150The IBM 5150 was IBM's entry into the personal computer marketplace; the IBM PC. It was introduced in stores on 1981-08-12.
- popularmechanics.com technology/gadgets/a6807/how…KEN TIMMONS: I started back in 1979 right out of school working on what might be called the precursor to the PC, the IBM Series 1...
- prezi.com ehjlt5t8poet/ibm-pc/The IBM Personal Computer, known as the IBM PC, is the original version and progenitor of the IBM PC compatible hardware platform.
- http://fact-index.com i/ib/ibm_pc.htmlAnd once the IBM PC became a commercial success the PC came back under 'normal' IBM mangement control, with the result that competitors had little trouble...
- psref.lenovo.com syspool/Sys/PDF/withdrawnbook/…IBM® PC Series 300: Diskette Disk: std-max internal.