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#51
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Win 98 drivers
J. P. Gilliver (John) wrote:
In message , philo writes: [] WOW Analog computer. When I was in school I took a course in Analog computers... after I had already enrolled they announced in class that I was in the very last class they were ever going to teach (at that university) on Analog computers. Mine was at secondary school (ages 11-18 approx.), but then it was build by a rather eccentric maths master (who also built a computer, one having 16 7-bit memory locations - no, I didn't say 16k. Made for _very_ compact code, that did. [Serial processor and running in ones complement rather than the usual two, too.] He also built - and even exported at least one to Canada, not bad going for rural UK - [electronic] church organs in his "spare" time.) I really thought that I should have dropped it at once... but am glad I took it...as I was able to witness the end of an era. (Besides...it was fun) Just like the day I took a street-car here in town on the last day they ever ran. Yes, it gives one a certain feeling of smugness (as well as sadness) to have been involved in such events. Interestingly enough... a town not too far from here did bring back one street car... but it's really just for tourists and nostalgia as it just runs a small loop of maybe a couple miles. As to analog computers...I suppose a few must still exist in museums... |
#52
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Win 98 drivers
J. P. Gilliver (John) wrote:
In message , philo writes: [] WOW Analog computer. When I was in school I took a course in Analog computers... after I had already enrolled they announced in class that I was in the very last class they were ever going to teach (at that university) on Analog computers. Mine was at secondary school (ages 11-18 approx.), but then it was build by a rather eccentric maths master (who also built a computer, one having 16 7-bit memory locations - no, I didn't say 16k. Made for _very_ compact code, that did. [Serial processor and running in ones complement rather than the usual two, too.] He also built - and even exported at least one to Canada, not bad going for rural UK - [electronic] church organs in his "spare" time.) I really thought that I should have dropped it at once... but am glad I took it...as I was able to witness the end of an era. (Besides...it was fun) Just like the day I took a street-car here in town on the last day they ever ran. Yes, it gives one a certain feeling of smugness (as well as sadness) to have been involved in such events. Interestingly enough... a town not too far from here did bring back one street car... but it's really just for tourists and nostalgia as it just runs a small loop of maybe a couple miles. As to analog computers...I suppose a few must still exist in museums... |
#53
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Win 98 drivers
Also, by the way, these analog computers (or at least the ones I was
familiar with) used operational amplifier circuits - either vacuum tube or solid state. Before that, I don't know what they used. Bill in Co. wrote: J. P. Gilliver (John) wrote: In message , philo writes: [] I remember playing adventure on the university mainframe (the game that eventually became sold as Colossal Cave adventure; back in the text Unix days, it was the only one, so just called adventure). Yep... the first computer game I ever played was "Moon Lander" It was on a main frame and with each input... you'd get a print out of the results. I never got much into gaming... but do admit to playing the win3x version of Tetris Now you mention it, I remember "playing" something similar - and also a simulation of a crane jib - on an "analogue computer". This had amplifiers, integrators, ...and sometimes differentiatiors. and the inputs were knobs, ...potentiometers to set the proper voltage levels and the output was a meter; ...OR a chart recorder. you "programmed" it by linking the various parts with plug-in wires. ....and plug-in components, like different valued resistor and capacitor. And unlike a digital computer, you got to see the results in real time (although there was often time scaling), and as a continuous function of time. :-) |
#54
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Win 98 drivers
Also, by the way, these analog computers (or at least the ones I was
familiar with) used operational amplifier circuits - either vacuum tube or solid state. Before that, I don't know what they used. Bill in Co. wrote: J. P. Gilliver (John) wrote: In message , philo writes: [] I remember playing adventure on the university mainframe (the game that eventually became sold as Colossal Cave adventure; back in the text Unix days, it was the only one, so just called adventure). Yep... the first computer game I ever played was "Moon Lander" It was on a main frame and with each input... you'd get a print out of the results. I never got much into gaming... but do admit to playing the win3x version of Tetris Now you mention it, I remember "playing" something similar - and also a simulation of a crane jib - on an "analogue computer". This had amplifiers, integrators, ...and sometimes differentiatiors. and the inputs were knobs, ...potentiometers to set the proper voltage levels and the output was a meter; ...OR a chart recorder. you "programmed" it by linking the various parts with plug-in wires. ....and plug-in components, like different valued resistor and capacitor. And unlike a digital computer, you got to see the results in real time (although there was often time scaling), and as a continuous function of time. :-) |
#55
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Win 98 drivers
Bill in Co. wrote:
Also, by the way, these analog computers (or at least the ones I was familiar with) used operational amplifier circuits - either vacuum tube or solid state. Before that, I don't know what they used. Bill in Co. wrote: J. P. Gilliver (John) wrote: In message , philo writes: [] I remember playing adventure on the university mainframe (the game that eventually became sold as Colossal Cave adventure; back in the text Unix days, it was the only one, so just called adventure). Yep... the first computer game I ever played was "Moon Lander" It was on a main frame and with each input... you'd get a print out of the results. I never got much into gaming... but do admit to playing the win3x version of Tetris Now you mention it, I remember "playing" something similar - and also a simulation of a crane jib - on an "analogue computer". This had amplifiers, integrators, ...and sometimes differentiatiors. and the inputs were knobs, ...potentiometers to set the proper voltage levels and the output was a meter; ...OR a chart recorder. you "programmed" it by linking the various parts with plug-in wires. ....and plug-in components, like different valued resistor and capacitor. And unlike a digital computer, you got to see the results in real time (although there was often time scaling), and as a continuous function of time. :-) I have a K2-W in my collection http://dcoward.best.vwh.net/analog/ No clay tablets though ! |
#56
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Win 98 drivers
Bill in Co. wrote:
Also, by the way, these analog computers (or at least the ones I was familiar with) used operational amplifier circuits - either vacuum tube or solid state. Before that, I don't know what they used. Bill in Co. wrote: J. P. Gilliver (John) wrote: In message , philo writes: [] I remember playing adventure on the university mainframe (the game that eventually became sold as Colossal Cave adventure; back in the text Unix days, it was the only one, so just called adventure). Yep... the first computer game I ever played was "Moon Lander" It was on a main frame and with each input... you'd get a print out of the results. I never got much into gaming... but do admit to playing the win3x version of Tetris Now you mention it, I remember "playing" something similar - and also a simulation of a crane jib - on an "analogue computer". This had amplifiers, integrators, ...and sometimes differentiatiors. and the inputs were knobs, ...potentiometers to set the proper voltage levels and the output was a meter; ...OR a chart recorder. you "programmed" it by linking the various parts with plug-in wires. ....and plug-in components, like different valued resistor and capacitor. And unlike a digital computer, you got to see the results in real time (although there was often time scaling), and as a continuous function of time. :-) I have a K2-W in my collection http://dcoward.best.vwh.net/analog/ No clay tablets though ! |
#57
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Win 98 drivers
philo wrote:
Bill in Co. wrote: Also, by the way, these analog computers (or at least the ones I was familiar with) used operational amplifier circuits - either vacuum tube or solid state. Before that, I don't know what they used. Bill in Co. wrote: J. P. Gilliver (John) wrote: In message , philo writes: [] I remember playing adventure on the university mainframe (the game that eventually became sold as Colossal Cave adventure; back in the text Unix days, it was the only one, so just called adventure). Yep... the first computer game I ever played was "Moon Lander" It was on a main frame and with each input... you'd get a print out of the results. I never got much into gaming... but do admit to playing the win3x version of Tetris Now you mention it, I remember "playing" something similar - and also a simulation of a crane jib - on an "analogue computer". This had amplifiers, integrators, ...and sometimes differentiators... and the inputs were knobs, ...potentiometers to set the proper voltage levels... and the output was a meter; ...OR a chart recorder! you "programmed" it by linking the various parts with plug-in wires. ... and plug-in components, like different valued resistors and capacitors. And unlike a digital computer, you got to see the results in real time (although there was often time scaling), and as a continuous function of time. :-) I have a K2-W in my collection http://dcoward.best.vwh.net/analog/ Wow. What a classic! No clay tablets though ! LOL. |
#58
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Win 98 drivers
philo wrote:
Bill in Co. wrote: Also, by the way, these analog computers (or at least the ones I was familiar with) used operational amplifier circuits - either vacuum tube or solid state. Before that, I don't know what they used. Bill in Co. wrote: J. P. Gilliver (John) wrote: In message , philo writes: [] I remember playing adventure on the university mainframe (the game that eventually became sold as Colossal Cave adventure; back in the text Unix days, it was the only one, so just called adventure). Yep... the first computer game I ever played was "Moon Lander" It was on a main frame and with each input... you'd get a print out of the results. I never got much into gaming... but do admit to playing the win3x version of Tetris Now you mention it, I remember "playing" something similar - and also a simulation of a crane jib - on an "analogue computer". This had amplifiers, integrators, ...and sometimes differentiators... and the inputs were knobs, ...potentiometers to set the proper voltage levels... and the output was a meter; ...OR a chart recorder! you "programmed" it by linking the various parts with plug-in wires. ... and plug-in components, like different valued resistors and capacitors. And unlike a digital computer, you got to see the results in real time (although there was often time scaling), and as a continuous function of time. :-) I have a K2-W in my collection http://dcoward.best.vwh.net/analog/ Wow. What a classic! No clay tablets though ! LOL. |
#59
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Win 98 drivers
Bill in Co. wrote:
philo wrote: Bill in Co. wrote: Also, by the way, these analog computers (or at least the ones I was familiar with) used operational amplifier circuits - either vacuum tube or solid state. Before that, I don't know what they used. Bill in Co. wrote: J. P. Gilliver (John) wrote: In message , philo writes: [] I remember playing adventure on the university mainframe (the game that eventually became sold as Colossal Cave adventure; back in the text Unix days, it was the only one, so just called adventure). Yep... the first computer game I ever played was "Moon Lander" It was on a main frame and with each input... you'd get a print out of the results. I never got much into gaming... but do admit to playing the win3x version of Tetris Now you mention it, I remember "playing" something similar - and also a simulation of a crane jib - on an "analogue computer". This had amplifiers, integrators, ...and sometimes differentiators... and the inputs were knobs, ...potentiometers to set the proper voltage levels... and the output was a meter; ...OR a chart recorder! you "programmed" it by linking the various parts with plug-in wires. ... and plug-in components, like different valued resistors and capacitors. And unlike a digital computer, you got to see the results in real time (although there was often time scaling), and as a continuous function of time. :-) I have a K2-W in my collection http://dcoward.best.vwh.net/analog/ Wow. What a classic! No clay tablets though ! LOL. That K2-W was in a store room at the University where I was doing a project around 1979 or so... They had a large box of them and I figured that since they had probably been gathering dust for ten or twenty years... they wouldn't miss one Glad I took it...as the entire room was cleaned out and all of it was put in a dumpster |
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