its shows what the code is meant to do
can be accesed from anywhere in the program
changed within the subroutine. can only be accesed from only one part of the program.
(Passing parameter) by value
it can be passed and changed within the subroutine. The original values stays the same though.
(passsing parameter) by reference
original value changes to new value.
data structure consisting of values or variables.
shows were a number or word is.
shows which number is the largest
shows which number is the smallest.
top down design
breaking the problem into smaller parts
sets out instructions in a graphical form, with the boxes connected together therefore the instructions will be carried out.