Skills: Concepts: data types, research precedes development, design for the future This work is licensed under a Creative Commons Attribution-Noncommercial-Share.

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Presentation transcript:

Skills: Concepts: data types, research precedes development, design for the future This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 License. Data type evolution

Where does this topic fit? Internet concepts – Applications – Technology (history) – Implications Internet skills – Application development – Content creation – User skills

When data types went mainstream Data typeDecade Numeric1950s Alphanumeric1960s Text1970s Image1990s Speech2000s Music2000s Video2000s HD video2010s

Numeric data, the 1950s

“Computers” in the 1940s

ENIAC, 1946

Alphanumeric data, the 1960s Emp. #NameSS # Hourly rate Hours workedGross pay 1Robinson, Jackie $400 2Ladd, Alan $480 3Douglas, Kirk $2,160 4Dean, James $1,360 5Gable, Clark $480 6Davis, Bette $1,360 7Monroe, Marylin $3,040 8Williams, Ted $1,840 9Ruth, George $1,960 10Merman, Ethyl $840

Univac 1, 1951

Text data, the 1970s Four score seven years ago …

Word processing began with punched cards

Word processing, 1968

PC word processing, 1975

Image data, the 1980s

Image processing, 1954

PC image processing, 1984

Digital cameras, 1990

Cameras everywhere

Speech data, the 2000s

Packet voice conference, January 1978 Watch the videoWatch the video (5m 18s)

Vocaltec on the Internet in 1995

Skype, 2003

Music data, 2000s

The Illiac computer

Napster,

Apple iTunes store, 2001

Video data, 2000s

Bell labs video, early 1960s

Small, low quality video

Improved video, 2005 First YouTube video

HD video data, 2010s

Cable TV vs. the Internet

Video data is driving infrastructure Cisco global wireless data traffic projection

Summary Data typeDecade Numeric1950s Alphanumeric1960s Text1970s Image1990s Speech2000s Music2000s Video2000s HD video2010s

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?

1.Logicam FotoMan: 2.History of the Experimental Music Studios at the University of Illinois: 3.Video of “The Demo” by Doug Engelbart: 4.Video of Ivan Sutherland demonstrating Sketchpad, narrated by Alan Kay: The original Macintosh: 6.Demonstration of Arpanet packet voice conferencing: 7.Experimental Bell Labs videos: and First YouTube video: 9.The cost of the information services model.The cost of the information services model 10.Announcement that data outpaced voice traffic on the cellular network for the first time: The rapid growth of mobile data as opposed to mobile voice traffic: milestone-data-surpasses-voice-traffic/ and coming/ milestone-data-surpasses-voice-traffic/ coming/ 12.Cisco wireless data projection for 2015: html html 13.Mobile Internet growth faster than fixed: soon-overtake-fixed-internet/ soon-overtake-fixed-internet/ 14.Podcast on female programmers of ENIAC, the first numeric computer: Resources