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GRAP 3175 Computer Applications for Drafting Unit IV Computer Classifications

GRAP 3175 Computer Applications for Drafting Unit IV Computer Classifications. Criteria for Classifying Computers. Architecture Design of the internal circuitry Processing Speed MIPS / BIPS Number of Users Cost. Classifications. Supercomputers Mainframe computers Minicomputers

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GRAP 3175 Computer Applications for Drafting Unit IV Computer Classifications

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  1. GRAP 3175Computer Applications for DraftingUnit IVComputer Classifications

  2. Criteria for Classifying Computers • Architecture • Design of the internal circuitry • Processing Speed • MIPS / BIPS • Number of Users • Cost

  3. Classifications • Supercomputers • Mainframe computers • Minicomputers • Workstations • Microcomputers (PCs)

  4. Supercomputers • Fastest, most powerful, and most expensive computers • National security concerns • Climate controlled computer rooms • Main memory -- Gigabytes • BIPS • CRAY, NEC, etc.

  5. Supercomputers • Several thousand users • CPU time • GigaFLOPs

  6. Mainframes • Climate controlled computer rooms • MIPS • IBM • 1000+ users

  7. Minicomputers • Do not need climate control • 100+ users • DEC, PRIME, etc.

  8. Workstations • “Souped-up” PCs

  9. Personal Computers (PC) • 1 user • Do not need climate control • Wintel PCs • Versatile

  10. Why Personal Computers are Popular • Increased productivity • Problem-solving abilities • Usefulness to a variety of people for a variety of tasks • Inexpensiveness • Availability of easy-to-use software

  11. Benchmarks in the PC Industry • Intel 4004 microprocessor 1971 -- 4-bit • Altair 8800 -- 1975 -- kit /w 1k of memory • Apple II, Commodore, Atari, TRS-80 Model I -- 1977 • IBM PC -- 1981 -- 16-bit • IBM compatibles -- 1985-6 • Tandy, Epson, Compaq, Zenith, etc. • Apple Macintosh -- 1984

  12. Benchmarks in the PC Industry • Compaq Deskpro -- 1986 -- 32-bit Intel 80386 • NeXT -- 1988 -- 32-bit Motorola 68030 • Intel 80486 -- 1989 • Intel Pentium -- 1993 • Apple Power PC • Pentium II • Apple G3

  13. Benchmarks in the PC Industry • Intel Pentium III • Apple G4

  14. Microprocessors • Intel -- IBM, compatibles • Motorola -- Macintosh, NeXT, Amiga, Tectronics • Zilog -- TRS-80 Model 4 • MOS Technology -- Apple II and IIc

  15. Conventional PCs • Towers / Desktops • Laptops / Notebooks • portable vs. transportable • docking station • Pocket PC

  16. Extended PC Family • Slate Computers • Personal Digital Assistants (PDAs) • Palm • Wearable PC • Wristwatch computer

  17. Issue of Compatibility • ROM-BIOS • Methods to obtain compatibility • Emulation Software • Second microprocessor board • Networks • Industry standards

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