Unit 2 Flashcards
A simplified representation of something more complex. Helps you hide details to manage complexity
Abstraction
Aggregation
Rows from a data set are grouped together and used to compute a single value of a more significant meaning or measurement; average, count, sum, max
Heuristic
A problem solving approach to find a good enough solution, finding the exact solution is impossible
Hexadecimal
A base 16 number that uses sixteen distinct symbols 0-9 and A-F to represent numbers from 0-15
Image
Type of data used for graphics or pictures
Lossless compression
Algorithm that allows the original data to be perfectly reconstructed frim the compressed dars
Lossy compression
Discarding some data to represent the content, usually like in a image
Metadata
Data that describes other data; an image might have metadata that describes the size of the image, the colors
Pixel
Fundamental unit of an image
RGB
Color model
Computing system
Group of commuting devices working together for a purpose
Path
The series of connections between computing and device connections on a network, starting with a sender and a reciever
Protocol
Set upon rules that specify the behavior of a system
Fault tolerant
Can continue to function even in the event of indivual component failures
Bandwidth
The maximum amount of data that can be sent in a fixed amount of time,usually measured in bits per second
World Wide Web
A system of linked programs, pages and files
Packet metadata
Data added to packets to help route them through the network and reassemble the original message.
