Melvin's digital garden

History of computing

speaker: Wong Weng Fai event: klcamp

History of computers

  • Napier’s bones
  • William’s sliderule
  • Difference engine
  • Analytical engine
  • Tabulating machine
  • The ABC computer
  • Computability Theory (Alan Turing)
  • Mark I
  • 1944: ENIAC
  • 1945: EDSAC (John Von Neumann)
  • 1947: Development of the transistor

What is a computer

  • Introduce modern hardware
  • Transistor
  • nCMOS, pCMOS
  • Boolean logic gates
  • Digital circuits (combinatorial: no memory, sequential: with memory)
  • Representing numbers (binary numbers, fractions, complement, addition)
  • Half adder, full adder

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