Glossary terms from course 1, module 1 Flashcards
(18 cards)
What is abstraction?
To take a relatively complex system and simplify it for our use
What is an algorithm?
A series of steps that solves specific problems
What does ASCII stand for?
The oldest character encoding standard used is ASCII. It represents the English alphabet, digits, and punctuation marks
What is the binary system?
The communication that a computer uses is referred to as binary system, also known as base-2 numeral system
What is a byte?
A group of 8 bits
What is character encoding?
Is used to assign our binary values to characters so that we as humans can read them
What is a computer?
A device that stores and processes data by performing calculations
What is cryptography?
The overarching discipline that covers the practice of coding and hiding messages from third parties
What is the decimal form?
In the decimal system, there are 10 possible numbers you can use ranging from zero to nine
What is the digital divide?
The growing skills gap between people with and without digital literacy skills
What is information technology?
The use of digital technology, like computers and the internet, to store and process data into useful information
What is Linux OS?
Linux is one of the largest open source operating systems used heavily in business infrastructure and in the consumer space
What are logic gates?
Allow transistors to do more complex tasks, like decide where to send electrical signals depending on logical conditions
What does open source mean?
This means the developers will let other developers share, modify, and distribute their software for free
What is a PDA?
Allows computing to go mobile
What are punch cards?
A sequence of cards with holes in them to automatically perform calculations instead of manually entering them by hand
What is the RGB model?
RGB or red, green, and blue model is the basic model of representing colors
What is UTF-8?
The most prevalent encoding standard used today