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Programming: Using PHP and MySQL Together CIS106 Programming Notes Operating Systems: GEM (Graphical Environment Manager) Operating Systems Notes Page Linux Desktop Better Than Windows? Why Linux is a Better Choice Novell preps Linux Desktop 10 Networking: NetWare ® 6.5 vs. Win2003 Why Linux is a Better Choice CIS106 Network Notes Page Hardware: CIS106 Architecture Notes Page Storage Devices - Input/output Off Site Resources: A Beginner's Guide to Linux Floh's Linux Page Retinix Linux Site Photoshop Tips Theology, Politics, and Programming George's Linux Domain Vel's Java Home Page CENTRAL.UNIX.REPOSITORY Unix and FreeBSD Notes Compaq Servers and Linux Whackers IT Site Chia-Ling Lee's Home Page ACILME Development Where did your people come from? Find your south Georgia ancestors for free at Pioneers of South Georgia Programming Contents Using PHP and MySQL Together: What Is a Computer Program? Variables Algorithms and Functions Structured Programming Object-Oriented Programming Evolution of Programming A Beginner's Guide to Linux Floh's Linux Page Retinix Linux Site George's Linux Domain CENTRAL.UNIX.REPOSITORY Unix and FreeBSD Notes Compaq Servers and Linux Hot List Skin Care Alteritives to Amatokin Strivectin General Health Colon Health  hgh Energizer Pill Weight Loss & Natural Stress Management Stop Smoking Now! Natural Hemorrhoid Treatment Diabetics Health You Can Regrow Hair   Back to Top Contact Information Electronic mail address   Web address Copyright John R. Taylor 1999 - 2013 Last revised: February 26, 2013.

Home | Networking | Operating Systems | Hardware | Programming | Contents  Copyright © 2004 - 2013 history.uCan.us Last revised: February 26, 2013. Few people nowadays remember that the IBM PC was not the first "personal computer" and that MS-DOS was not the first industry standard operating system. In fact, MS-DOS was but an imperfect copy of the operating system that really has a claim to that title. The first generation of personal computers (or microcomputers, as they were known then) used chips like the Intel 8008, 8080, Zilog Z80, MOS Technology 6502 and Motorola 6800. While some early microcomputers (for example, the Apple II) used proprietary operating systems, hundreds of different manufacturers licensed a product called CP/M (as in Control Program / Monitor) made by a company called Digital Research. Long before the IBM PC and its clones / compatibles, the CP/M architecture provided for industry standard software that was portable across hundreds of different brands and models. This was DRI founder Gary Kildall's main contribution to the software industry. Microsoft simply followed in DRI's footsteps.