FCSE 3120 Lecture Notes - Lecture 15: Phoenician Alphabet, Johannes Gutenberg, Directv
10 Oct 2018
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200 a. d. by hindus in india who created a nine-digit numbering system: around 875 a. d. , the concept of zero was developed. Mechanical age 1450 a. d. - 1840 a. d: johann gutenberg (mainz, germany) invented the movable metal-type printing process in 1450, the first general purpose computers invented. Electro-mechanical age 1840 a. d. - 1940 a. d: beginnings of telecommunication: Electro-mechanical computing: the first computers were extremely large and based on punch paper . Cable vs. satellite vs. interactive tv: cable tv - most reliable, not typically affected by weather but is typically the most expensive. Some local programming stations only available thru area cable (example- Ucm"s kmso channel is only available in warrensburg through charter, not dish or. Directtv): satellite - cheaper costs but weather can cause problems. Have to be able to put a dish on your home. Interactive tv services include those that you stream- netflix, amazon, hulu.
