GRAP 3175 Computer Applications for Drafting Unit IV Computer Classifications - PowerPoint PPT Presentation

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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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Grap 3175 computer applications for drafting unit iv computer classifications

GRAP 3175Computer Applications for DraftingUnit IVComputer Classifications


Criteria for classifying computers

Criteria for Classifying Computers

  • Architecture

    • Design of the internal circuitry

  • Processing Speed

    • MIPS / BIPS

  • Number of Users

  • Cost


Classifications

Classifications

  • Supercomputers

  • Mainframe computers

  • Minicomputers

  • Workstations

  • Microcomputers (PCs)


Supercomputers

Supercomputers

  • Fastest, most powerful, and most expensive computers

  • National security concerns

  • Climate controlled computer rooms

  • Main memory -- Gigabytes

  • BIPS

  • CRAY, NEC, etc.


Supercomputers1

Supercomputers

  • Several thousand users

  • CPU time

  • GigaFLOPs


Mainframes

Mainframes

  • Climate controlled computer rooms

  • MIPS

  • IBM

  • 1000+ users


Minicomputers

Minicomputers

  • Do not need climate control

  • 100+ users

  • DEC, PRIME, etc.


Workstations

Workstations

  • “Souped-up” PCs


Personal computers pc

Personal Computers (PC)

  • 1 user

  • Do not need climate control

  • Wintel PCs

  • Versatile


Why personal computers are popular

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


Benchmarks in the pc industry

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


Benchmarks in the pc industry1

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


Benchmarks in the pc industry2

Benchmarks in the PC Industry

  • Intel Pentium III

  • Apple G4


Microprocessors

Microprocessors

  • Intel -- IBM, compatibles

  • Motorola -- Macintosh, NeXT, Amiga, Tectronics

  • Zilog -- TRS-80 Model 4

  • MOS Technology -- Apple II and IIc


Conventional pcs

Conventional PCs

  • Towers / Desktops

  • Laptops / Notebooks

    • portable vs. transportable

    • docking station

  • Pocket PC


Extended pc family

Extended PC Family

  • Slate Computers

  • Personal Digital Assistants (PDAs)

    • Palm

  • Wearable PC

  • Wristwatch computer


Issue of compatibility

Issue of Compatibility

  • ROM-BIOS

  • Methods to obtain compatibility

    • Emulation Software

    • Second microprocessor board

    • Networks

    • Industry standards


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