grap 3175 computer applications for drafting unit iv computer classifications
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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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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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