CSC103 How Computers Work

Notes2

Miscellaneous

1. Quiz0: How to take quizzes
2. Classlist

History of Computer Hardware

Pre-Commerical Timeline

1. Pre-20th Century

   Antikthera mechanism	Analytical Engine

   • 100BC: Antikythera mechanism
   • 1600s: Pascal and Liebnitz calculators
   • 1801: Jacquard Loom
     • Smith's loom
     • punched cards
     • modern version: video
   • 1822-34: Babbage: Difference Engine; Analytical Engine
   • 1890: Hollerith
2. Pre-commericial

   Colossus	ENIAC

   • 1941: Zuse: Z3
   • 1943: Turing: Colossus
   • 1944: Mark I, Grace Murray Hopper
     • Hopper video
   • 1945: Eckert & Mauchly: ENIAC
     • ENIAC video
   • 1945: von Neumann architecture
3. Commercial
   • 1951: Univac
   • 50s: vacuum tubes
   • 60s: transistors
   • 70s: IC (integrated circuits)
   • 80s: LSI (large-scale integration), microprocessors
   • 90s: VSLI (very large-scale integration); parallel
4. 21st-Century
   • Moore's Law
   • multi-core CPUs
   • associative memory (CAM: Content-Addressable Memory)
   • FPGA
   • parallel computing
     • Xgrid @Smith: 88 processors
     • grid computing (e.g., SETI@home)
     • cloud computing (e.g., Google)
   • quantum computing