Comp Sci Vocab

roundoff error

error from trying to represent a value that is too precise, which is then rounded

overflow error

error from trying to represent a number that is too big

lossless compression

reducing the number of bits without losing data

lossy compression

reducing the number of bits and losing some data (irreversible)

copyright

when you create anything, you automatically own a copyright to this creativity.

creative commons

copyright licenses that tell people how they are allowed to use your creativity

user interface

the inputs/outputs that allow a user to interact with a software

input

data sent to the computer that tells it what to do

output

data sent from a computer program to the device, such as audio or text

debugging

finding and fixing problems in a code

memory

holds a program while working on it

storage

holds a program when it’s put away

string

a string of characters/text

program statement

a command or instruction

program

a collection of program statements

sequential programming

when the program runs in order from top to bottom

event driven programming

the program runs when triggered by an event

global variables

permanent code that can be used anywhere

local variables

temporary code that can only be used where it was created (should be avoided)

open data

public available date

citizen science and crowdsourcing

collecting data from a crowd to analyze

big data

huge amounts of data

metadata

data about data

concatenation

strings of strings/variables