Technology Basics
Lorenzo Riva
Created on March 17, 2023
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Transcript
STEP 1
LORENZO RIVA - ALEX LIbRINA - LUCA CASARTELLI
Technologybasics
ANALOG VERSUS DIGITAL
DEEPENING: THE BARCODE
DIGITAL LITERACY
HARDWARE AND SOFTWARE
THE BINARY SYSTEM
index
Technology and society
01
TECHNOLOGYand SOCIETY
What is technology?
- Techne and Logos
- Relationship between technology and society
- Improve life and change human evolution
technological life
- New methods of electronic communication
- Easier, organized and safer
- Automation, work and education
- Disadvantages and risks
02
THE BINARYSYSTEM
the Binary code
- Consists of 0s and 1s
- Represent two state: on/off
- Electronical pulses
- Bit: 0 / 1 (8 bit = 1 byte)
The exadecimal code
- More human-friendly
- 1 exadecimal digit = 4 bit (nibble)
- From zero to nine (0 - 9)
- From ten to fifteen (A - F)
03
analog versusdigital
Analogical technology
- No electronic processing of numbers
- Magnetic tapes and films
Digital technology
- Display LCD
- Saving information in bit
- Faster and easier to read information
Digital World
- Encripted trasmissions
- Edit information
- Information takes up less physical space
04
hardware andsoftware
What is a hardware?
- Physical elements
- Interconnected with software
- Designed and mechanical tasks
What is a software?
- Instructions written in high-level languages
- Hardware instructions
- System Software and Application Software
05
data literacy
What is data literacy?
- Read and write
- Processing information and use Internet
- Use technology in the correct way
Reliability of information
- Locate information
- Identify false information
- Share information
Deepening
the barcode
What is technology
- Composed of bars and spaces
- EAN / UPC
- Machine representation of numerals and characters
- Redable by a barcode scanner
barcode benefits
- Sales managment
- Stock and purchase managment
- Understanding consumer trend
upc vs ean