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Page 36
... switches that turn the light bulbs on and off . The switches enable the device to do arithmetic . They also represent information in and of them- selves . A switch ( or a light bulb ) in the " on " position can represent one thing ( a ...
... switches that turn the light bulbs on and off . The switches enable the device to do arithmetic . They also represent information in and of them- selves . A switch ( or a light bulb ) in the " on " position can represent one thing ( a ...
Page 38
... switches that could be on or off . His postulate , written up in a master's thesis in 1937 , was that electrical circuits could be constructed that oper- ated on the principles of symbolic logic . Depending on the wiring , a switch ...
... switches that could be on or off . His postulate , written up in a master's thesis in 1937 , was that electrical circuits could be constructed that oper- ated on the principles of symbolic logic . Depending on the wiring , a switch ...
Page 80
... switches in prescribed ways . A switch , which must be either on or off , can represent a binary digit of one or zero . Collections of switches can represent strings of ones and zeros , which in turn can represent letters , loca- tions ...
... switches in prescribed ways . A switch , which must be either on or off , can represent a binary digit of one or zero . Collections of switches can represent strings of ones and zeros , which in turn can represent letters , loca- tions ...
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Aiken Altair Analytical Engine Apple Apple II Atari automobile Babbage Babbage's began bulb buyers calculator called cards Charles Tandy chip circuits Commodore company's CompuServe computerized consumer cost customers databases designed device Digital Digital Research dollars early Eckert and Mauchly electric electronic engineer ENIAC example firm Fishman Gates Goldstine grams Harvard hobbyists Hollerith home computers IBM's IMSAI industry Infoworld instructions Intel invention Knight-Ridder later machine magazine manufacturers microprocessor million minicomputers MITS Model Neumann package pany percent personal computers Pertec popular programs puter quoted Radio Shack Roberts School selling Seuss Seuss and Bowman Snooper Troops Snyder software company sold sort Spinnaker Spinnaker's subscribers switches Tandy telephone television Texas Instruments tion told Tom Snyder Tramiel transistors turn Univac video games videotex Viewtron VisiCalc wired WordStar Wozniak