CCT109H5 Lecture 3: Lecture 3
12 Dec 2017
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Pre -introduction: fibre optic cable: purpose: be able to transmit data at a quicker speed, a . 6 billion dollar fibre optic cable is planning to be built that connects japan and uk. Unlike writing, technical media do not utilize the code of a workaday language. Conquest (late 1700s - 1800s: series of towers with big mechanical arms with one person operating the arms and the second person looking at the second tower, speed vs accuracy, though the decoding/encoding is proper, speed is slow. E lectric telegraph (1836: decisively separates communication from transportation, august 16, 1858, reduces the communication time between. North america and europe from 10 days - the time it took to deliver a message by ship - to (cid:522)instantaneous(cid:523: cable was laid across canada to uk, data and information travel around 10 days to instantaneous. Ballistics - automatic aiming of antiaircraft guns: ex. Codes - automatic breaking of germany"s secret coded messages.
