Road Network Evaluation Tools: Overview , Main C oncepts, Applications
S kills : C oncepts : data types, research precedes development, design for the future
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Transcript of S kills : C oncepts : data types, research precedes development, design for the future
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Skills: Concepts: data types, research precedes development, design for the future
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Data type evolution
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Where does this topic fit?
• Internet concepts– Applications– Technology (history)– Implications
• Internet skills– Application development– Content creation– User skills
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When data types went mainstream
Data type Decade
Numeric 1950s
Alphanumeric 1960s
Text 1970s
Image 1990s
Speech 2000s
Music 2000s
Video 2000s
HD video 2010s
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Numeric data, the 1950s
123.45
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“Computers” in the 1940s
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ENIAC, 1946
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Alphanumeric data, the 1960s
Emp. # Name SS #Hourly
rateHours
worked Gross pay
1 Robinson, Jackie 12428482928 10 40 $400
2 Ladd, Alan 37285448784 12 40 $480
3 Douglas, Kirk 11185634635 54 40 $2,160
4 Dean, James 33556903905 34 40 $1,360
5 Gable, Clark 10067071171 12 40 $480
6 Davis, Bette 30201213515 34 40 $1,360
7 Monroe, Marylin 90603640545 76 40 $3,040
8 Williams, Ted 27181092163 46 40 $1,840
9 Ruth, George 81543276490 49 40 $1,960
10 Merman, Ethyl 24462982947 21 40 $840
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Univac 1, 1951
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Text data, the 1970s
Four score seven years ago …
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Word processing began with punched cards
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Word processing, 1968
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PC word processing, 1975
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Image data, the 1980s
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Image processing, 1954
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PC image processing, 1984
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Digital cameras, 1990
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Cameras everywhere
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Speech data, the 2000s
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Packet voice conference, January 1978
Watch the video (5m 18s)
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Vocaltec on the Internet in 1995
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Skype, 2003
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Music data, 2000s
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The Illiac computer
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Napster, 1999-2001
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Apple iTunes store, 2001
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Video data, 2000s
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Bell labs video, early 1960s
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Small, low quality video
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HD video data, 2010s
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Cable TV vs. the Internet
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Video data is driving infrastructure
Cisco global wireless data traffic projection
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Summary
Data type Decade
Numeric 1950s
Alphanumeric 1960s
Text 1970s
Image 1990s
Speech 2000s
Music 2000s
Video 2000s
HD video 2010s
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Self-study questions
1. We spoke of several data types, do your recall them?2. Which was first?3. Which is most recent to become feasible on the Internet?4. What was the contribution of Ivan Sutherland?5. What was the contribution of Doug Engelbart?6. How long was it between the Wright Brother’s first flight and the
beginning of the commercial aviation industry?7. How long until air transportation and freight became mainstream?8. How long until we landed a man on the moon?
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1. Logicam FotoMan: http://historical-cameras.blogspot.com/2008/11/dycam-model-1-logitech-fotoman.html2. History of the Experimental Music Studios at the University of Illinois: http://ems.music.uiuc.edu/history/3. Video of “The Demo” by Doug Engelbart: http://sloan.stanford.edu/MouseSite/1968Demo.html4. Video of Ivan Sutherland demonstrating Sketchpad, narrated by Alan Kay: http://
www.youtube.com/watch?v=mOZqRJzE8xg5. The original Macintosh: http://lowendmac.com/compact/original-macintosh-128k.html6. Demonstration of Arpanet packet voice conferencing: http://www.youtube.com/watch?v=MGat1jRQ_SM7. Experimental Bell Labs videos: http://www.youtube.com/watch?v=Q6jBB4f8g6s and
http://www.youtube.com/results?search_type=&search_query=ken+knowlton+beflix&aq=f8. First YouTube video: http://www.youtube.com/watch?v=jNQXAC9IVRw9. The cost of the information services model. 10. Announcement that data outpaced voice traffic on the cellular network for the first time: http://
www.youtube.com/watch?v=LAZsma-JrNo11. The rapid growth of mobile data as opposed to mobile voice traffic: http://
gigaom.com/2010/03/24/mobile-milestone-data-surpasses-voice-traffic/ and http://gigaom.com/2010/02/09/cisco-the-mobilpocalypse-is-coming/
12. Cisco wireless data projection for 2015: http://www.cisco.com/en/US/solutions/collateral/ns341/ns525/ns537/ns705/ns827/white_paper_c11-520862.html
13. Mobile Internet growth faster than fixed: http://gigaom.com/2010/04/12/mary-meeker-mobile-internet-will-soon-overtake-fixed-internet/
14. Podcast on female programmers of ENIAC, the first numeric computer: https://plus.google.com/114528586908817727732/posts/Cp22zv1emLm
Resources