Beauty Of Codes Flashcards
A symbolic way to represent information
Codes
According to Saldaña in 2013, codes are a word or a phrase that symbolically assigns a summative, salience, essence-capturing and evocative attribute for a portion of language based on visual data.
Codes in qualitative inquiry
A numeral system that used by the Egyptians in ancient times in their writing system.
Hieroglyphic numeral system
The Egyptian writing system was ____________ compared to their contemporaries.
Comprehensive
Egyptians have a symbol to represent __________.
Infinity
In hieroglyphic numeral system, the number 10 is represented by?
Hobble for cattle
100 is represented by
Coil of rope
1000 is represented by
Lotus plant
10,000 is represented by
Finger
100,000 is represented by
Tadpole
1,000,000 is represented by
Figure of God
It is basically a logographic writing system
Chinese numeral system
Chinese numeral system is on of
World’s great writing systems
Chinese numeral system represents the _____________.
Chinese language
The Chinese numeral system represents the Chinese language by means of _________.
Logographic script
Each group or character corresponds to one meaningful unit of the language, not directly to a unit of _________.
Thought
A Roman numeral that originated in ancient Rome and remain the usual way of writing numbers throughout Europe well into late middle ages.
Roman numeral system
Numbers are written with combinations of letters from ___________.
Latin alphabet
Latin letters that has a _____________ in Roman numerals.
Fixed integer value
Letter that represents 1
I
Represents 5
V
Represent 10
X
Represents 50
L
Represents 100
C
Represents 500
D
Represents 1000
M
A number system that uses only 2 values (0,1;on,off) to represent codes and data.
Binary number system
Values that the binary number system only uses
0,1
Zeros and ones can be represented by
Two voltages
The binary system is the foundation on which ______________ is built.
Digital technology
Every digital computer whether a pocket calculator or a mainframe uses the same _____________.
Binary notation
Optical, machine-readable representation of data.
Barcodes
Systematically represent data by varying the widths and spacing of parallel lines and referred to as linear or one dimensional (1D)
Traditional barcodes
Developed using rectangles, dots, hexagons and other geometric patterns.
Two-dimensional(2D)
Matrix codes
Using rectangles, dots, hexagons and other geometric patterns.
Barcodes were only scanned by special optical scanners called __________.
Barcodes readers
Application software became available for devices that could read images, such as ___________.
Smartphone with camera
Invented the barcodes
Norman Joseph Woodland and Bernard Silver
Patented in the ____________ in _______.
United States in 1952
Barcodes became commercially successful when they were used to supermarket__________, a task for which they have become almost universal.
Check out systems
Barcodes use has spread to many other tasks that are generically referred to as _____________________.
Automatic identification and data capture (AIDC)
The very first scanning of the now ubiquitous Universal Product code
In a pack of Wrigley Company’s Juicy Fruit Gum
In what day was the very first scanning of the UPC happens?
June 26, 1974
A specific type of 2D barcodes, have recently become very popular.
Quick response or QR code
Since, then barcoding has become an efficient way of translating data __________ and ___________.
Instantaneously and accurately
Used for automated data collection
Quick response code
What is the help of QR code?
Eliminates the occurrence of human error since through the use of a bar scanner.
Types of linear or one-dimensional (1D) barcodes.
UPC
EAN-13
121 pharmacode
Postnet
Pessey
ITF-14
Some types of matrix or two-dimensional barcodes
Aztec
Maxicode
Quick response code(QR)
PDF-147
It is possible to create artistic barcodes that incorporates colors, logos, and other features, making them readable or attractive to the human ey, but still scan correctly because of
Error collection capability
Used to identify individual items, specific products, people, account or documents.
Identification numbers
Where does the identification numbers useful?
For easy recognition or direction of materials and for tracking and inventory purposes of products or documents.
Types of identification number
Numeric identification number
Alphanumeric identification number
A single positive number or a string of digits, sometimes separated by dashes or spaces.
Numeric identification number
Example of numeric identification number
Tax identification number
Has a string of digits, letters or/ and even other symbols.
Alphanumeric identification number
Example of alphanumeric identification number
Vehicle plate
Used to verify errors on identification numbers.
Check digit or check sum
A single number that is generated using other characters from the ______________.
Identification number
Different identification numbers use different ______________.
Check digit schemes
A 12-digit identification number of a retail item.
Universal Product code
Barcodes were created to help_________
Grocery and department store speed up the check out process and keep track of inventory.
A manufacturer applies to the
Uniform code council (UCC)
Responsible for assigning item numbers to products, making sure that the same code is not used on more than one product, retiring codes as products are removed from the product line.
UPC coordinator
The UPC is referred to as _______ in the United States.
UPC-A
List of different values of dsub1:
Specific use of 0
General groceries
Specific use of 2
Meat products
Specific use of 3
Drug and health products
Specific use of 4
Non-food items
Specific use of 5
Coupons
Specific use of 6,7
Other items
Specific use of 1,8,9
Reserved for future use
Also known as European Article number or EAN
International article number
Used in numbering system used in global trade to identify a specific packaging configuration, from a specific manufacturer.
International article number
Most commonly used EAN code
EAN-13
A superset of the universe 12-digit universal product code of America (UPC-A)
EAN-13
_________ barcodes have tradition been used in the USA, Whereas _________ barcodes have been used throughout the rest of the world.
UPC-A format, EAN-13 format
What consists in the EAN-13 barcode?
Country code, manufacturer code, product code and check digit, respectively.
The ____ numbers in the UPC-A code are multiplied by 3,while in the EAN-13 code the _____ Numbered digits are multiplied by 3.
Odd, even
Quick response code was invented in Japan by ___________.
Toyota subsidiary Denso-wave in 1994
Why quick response code was created?
To track vehicles during the manufacturing process.
The QR code is detected as a two-dimensional digital image by a ______________.
Semi-conductor image sensor
The smaller dots in QR codes are then converted into binary numbers and their validity checked with __________.
Error correcting code
QR codes have become common in ___________.
Consumer advertising
The amount of data that can be stored in the QR code symbol depends on the data _____, ________, and ___________.
Type, version and error correction level
The higher the correction level, the ____________.
Less storage capacity.
No. Of codewords that can be restored in Low level
7
In medium level
15
In quartile level
25
In high level
30
Example of QR codes
Nested QR code
Sivatel Bangkok weChat QR code
Tag Heuer QR code
