Page 63 - IP1Y 001 Listening Success BT7
P. 63
A. Listen and answer the following questions. Note taking
1. What is the main idea of this passage? Topic :
information about barcode technology
how Morse code was developed
how to make businesses and companies more efficient Main idea :
optical scanners used in supermarkets
2. What type of symbology was developed for grocery 1 Major point :
st
stores?
Post NET
UPC
Details :
Morse code
none of the above
3. What is a symbology?
a machine used to swipe a product’s barcode
nd
sets of different bar and space patterns grouped together 2 Major point :
when information of a purchase flashes on a screen
letters and numbers instead of bars and spaces
Details :
4. Why were most symbologies designed?
to meet the needs of a specific application or industry
as a substitute for Morse code
to help consumers to save more money
all of the above
3 Major point :
rd
B. Check True or False.
1. Barcodes are a fast, easy, and accurate Details :
way of entering data.
2. A barcode contains descriptive data of a
product.
3. Post NET was designed to encode zip
codes for the US Postal Service.
Unit 10. Bar Codes 63
