History Days 4 5
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History Days 4 5 Presentation Transcript

  • 1. Friends’ Central School Computer Science Mr. Fedder [email_address]
  • 2. 9 th Grade Computer Science Rotation Mr. Fedder/Mr. Crowley
  • 3. 1.1 History of Computers – 1950’s 1950 1955 1952
  • 4. History of Computers – 1950’s IBM 350 RAMAC
    • Delivered to the Census Bureau in 1951
    • Weighed 8 tons & used 5,000 vacuum tubes
    • Performed about 1,000 IPS.
    • 1 st commercial computer & 1 st computer designed for business use.
    • UNIVAC slower than IAS-type machines, but were designed for fast input and output
    • 1954 - 1 st UNIVAC for business; Payroll at General Electric Appliances.
    • 1952 - Cost $300K, optimized for scientific calculation.
    • 2,300 miniature vacuum tubes. Built to do the massive calculations needed in meteorology, astronomy
    • Its first problem, for Los Alamos, took sixty days, 24 hours/day!
    • The computer opened up new fields to mathematical analysis
    • 1952 - Cost $300K, optimized for scientific calculation.
    • 2,300 miniature vacuum tubes. Built to do the massive calculations needed in meteorology, astronomy
    • Its first problem, for Los Alamos, took sixty days, 24 hours/day!
    • The computer opened up new fields to mathematical analysis
    IBM Disk - 1957 UNIVAC I - 1951 Princeton University – IAS Computer
  • 5. History of Computers: Printers 1953 Univac High Speed Line Printer 600 lines/minute COST, PRICE AND RENTAL RATES Manufacturer Monthly Cost Rental Card System 80 or 90 Column 1 Central Processor $234,215 $4,685 1 Read-Punch Unit 48,650 975 1 Card Reader 15,290 305 1 Printer on-line 49,345 985 1 Printer Off-Line 195,000 3,500 Tape-Card System 1 Card Punching Printer 125,000 2,700 1 Printer Off-Line 195,000 3,500
  • 6. History of Computers – Data Storage Jacquard Loom
    • Joseph Marie Jacquard (1801)
    • Punch cards controlled weave pattern…
      • Each hole = 1 hook
      • Up or Down
    • Allowed a controlled sequence of operations
    • Precursor to computer programming
  • 7. 1.1 History of Computers – 1960’s 1960 1961 1965 1969
  • 8. 1.1 History of Computers – 1960’s Mainframe Computer 1967 – IBM 360 IBM “Stretch” - 1961 IBM 360 - 1964
  • 9. 1.1 History of Computers – 1960’s
    • PDP-8 reshaped the industry by selling over 40,000 units.
    • Eventually over 200 companies produced minicomputers.
    • DEC retained market leadership thru the 90’s with the VAX 11/780 (1978) system, which became one of the best-selling and most influential computers of all time.
    • Speed: .33 MIPS
    • 667,000 Add/second
    • Memory Size: 4K
    • Cost: $18,000
    1965 DEC PDP-8
    • Introduced in 1964, the CDC 6600 was the fastest machine in the world.
    • Designed by Seymour Cray, the 6600 remained the fastest machine for five years, until Cray produced his next supercomputer, the 7600.
    • Architecture of the 6600 included one 60-bit central processor with multiple functional units that executed in parallel.
    • The machine was Freon cooled.
    • Speed: 10 MFLOPS, 3 MIPS
    • Memory Size: 64K+2M
    • Cost:$10,000,000
    • Memory Width:(60-bit)
    1964 - CDC 6600 Seymour Cray
  • 10. History of Computers – Data Storage Card Readers
  • 11. History of Computers – Networking Arpanet - 1969
  • 12. 1.1 History of Computers – 1970’s 1973 1971 1972 1977 1979
  • 13. 1.1 History of Computers – 1970’s 1975 - MITS Altair PC
    • First PC widely adopted
    • Built from Kit
    • Speed: 14 Hz
    • Memory Size: 256 Bytes
    • Cost: $440
    • 2000 sold in 1975
    DECSystem 10 Cray Supercomputer
  • 14. 1.1 History of Computers – 1970’s Steve Jobs Steve Wozniak
  • 15. 1.1 History of Computers – Calculators 1958 1962 1971 1974 1985 2005
  • 16. 1.1 History of Computers – Data Storage 1965: 228 MB 1971: 80 KB 1978: 360 KB 1987: 1.44 MB 1996: 100 MB
  • 17. 1.1 History of Computers – Data Storage
    • 30 MB Storage
    • 30ms Access Time
    • 18 Millionth’s inch
    IBM 3348 Data Module 1973 – Winchester Drive 30-30 – Winchester Rifle
  • 18. 1.1 History of Computers – 1970’s Xerox Alto WYSIWYG Start Quit 1 st GUI - 1973
  • 19. 1.1 History of Computers – 1980’s 1981 1980 1983 1986 1987
  • 20. 1.1 History of Computers – 1980’s IBM AS/400 DEC Vax - 1986
  • 21. 1.1 History of Computers – 1980’s PC’s Apple introduces the Mac!
  • 22. 1.1 History – 1980’s Portables
  • 23. History of Computers – GUI’s 1981 1984 1985
  • 24. History of Computers – 1990’s 1990 1995 1998 1997
  • 25. History of Computers
    • 1990s: Explosion of computer use.
      • Hundreds of millions of computers are being used in businesses and homes
      • Most computers are now connected to the Internet
      • WHY?
  • 26. History of Computers – 1990’s 1990 - Windows 3.0
  • 27. History of Computers – 2000  Future 2001 2004 2003 2005
  • 28. History of Computers – 2000  Future Cray Supercomputer - 2004
  • 29. IBM Blue Gene - Supercomputer