need to know Flashcards
(17 cards)
what is abstraction
the process of filtering out unessery details
what is an algorithm
An algorithm is a list of rules to follow in order to solve a problem
what is decomposition
breaking down a complex problem or system into smaller parts that are more manageable and easier to understand
what is a WAN
Wide area network
what is a LAN
local area network
what is a variable
something that is used to store data
what is selection
a program checks a critera and the program responds acordinly
what is a criteria
check that the program performs
what is iteration
makes a command repeat
what is definite iteration
repeats lines of code a certain amount of times
what is pseudocode
a coding language that every one understands
array
a list of data stored in a single variable
what is a subroutine
programmers use these to perform a specific job
what is an input
where the user enters data
what is an output
where a program shows the user data
what does ‘else’ do?
this tells the user what to do if none of the critera has been met
what does ‘elseif’ mean?
allow additional criteria to be met
