2018年5月19日土曜日

Senior 3-May 19th

Kikutan Day 31 #1
Eiken Lis 2017-1 
Inside Reading  Unit 7  Reading-2  2-D Bar Codes
- Before You Read  Which type of bar code do you see more often, the one with bars or shapes?
- Title: 2-D Bar Codes   two-dimensional <- dimension 
Dic dimension [dɪˈmɛn ʃən, daɪ-] a measurement of something in a particular direction (height, length, width); measure, size, : Specify the dimensions (= the height, length and width) of sth.
-> dimensional [dɪˈmɛn ʃənl, daɪ-] having measurements in the stated directions: a three-dimensional figure
1-D, 2-D, 3-D: ~ film, computer graphics, video games, scanning, printing/printer, 
- [L3] UPC bar codes <- Universal Product Code 
2D barcode vs. QR Code 
There are actually several different types of 2D barcode. The best known include QR Code® (pioneered in the 1990s by Japanese company Denso), Aztec code, MaxiCode (used by the US postal service), Semacode and more.
- Preview: Skim the text: Title, Subheadings, Photos and captions, Chart
=> The difference between 1-D and 2-D bar codes and how 2-D bar code is used.
- Reading Comprehension: Mark the key words to look for. T/F, Mark the line #, Correct false statements.

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