Computers
TI 99 4A 1982
ENIAC 1946
Phones
1983 first public cell phone
1915: First U.S. coast-to-coast phone call
Over 25 tons, larger than a school busNeeded 160 kilowatts to runor 1600 100 watt light bulbs
Needed 5 operators took 23 minutes to set up call
Cost $3995nicknamed "The Brick"
32K RAM3MHz CPU300 byte modem~ 40 lbs.
1GB RAM1.4 GHz CPU150 MBps Data6 ounces
40 Bytes RAM1 kHz CPU
Technological Progress
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