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Hardware: CIS106 Architecture Notes Page Storage Devices - Input/output Microcomputers Chips (Integrated Circuits) Motherboard RAM - Random Access Memory ROM - Read-only Memory Virtual Memory CMOS Complementary Metal–Oxide–Semiconductor CPU (Central Processing Unit) ALU (Arithmetic Logic Unit) Control Unit Instruction Cycle Clock Rate Word Size (registers) Cache RAM Data Bus Address Bus Math Co-processor Operating Systems: GEM (Graphical Environment Manager) Operating Systems Notes Page Programming: Using PHP and MySQL Together CIS106 Programming Notes Networking: Why Linux is a Better Choice CIS106 Network Notes Page Cheap Divorce! Mediated divorces from $199 plus filing fees. Divorce Without Lawyers Save thousands of dollars on attorney fees Computer Hardware Contents Computer Architecture Notes Microcomputers Desktops Towers (& mini towers) Notebooks (laptops) PDA (palmtops) Minicomputers Mainframe computers Supercomputers Inside the System Unit Chips (Integrated Circuits) Motherboard RAM - Random Access Memory ROM - Read-only Memory Virtual Memory CMOS Complementary Metal–Oxide–Semiconductor CPU (Central Processing Unit) ALU (Arithmetic Logic Unit) Control Unit Instruction Cycle Seven factors which affect the processing of a computer Clock Rate Word Size (registers) Cache RAM Data Bus Address Bus Math Co-processor More about the Boot Process 1. Power up 2. Start Boot Program 3. Power- On Self-Test (POST) 4. Load Operating System 5. Check Configuration 6. Ready for Commands and Data More about CPUs Intel Others   Off Site It Sites A Beginner's Guide to Linux Floh's Linux Page Retinix Linux Site Photoshop Tips George's Linux Domain Vel's Java Home Page CENTRAL.UNIX.REPOSITORY Unix and FreeBSD Notes Compaq Servers and Linux Whackers IT Site Hot List Southern Storage Solutions Better Built Buildings Metal Buildings of Georgia Metal Buildings of Alabama Top Buildings Sites Storage Building  Buyer's Guide Storage Buildings on the Internet   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. In the Beginning DOS - 1981 In 1981 when the original IBM Personal Computer was announced, IBM released three operating systems for it. How many of you remember that? Since I wrote the first IBM course on how to fix this original PC, I had to know at least a little about all three of them. IBM decided early in the development process of the PC that they did not want to hire a bunch of programmers to write software for it - especially an operating system. IBM wanted the hardware business and did not care about the software. Since there was no clear-cut contender for an operating system at the time, IBM approached three organizations about writing one for the PC more...