Programming computer science revision year 9

Programming computer science revision year 9

1. procedural programs

   • a set of clearly defined instructions
   • the simplest programs are procedurals
     • a sequence of commands that run in order

2. functions and Methods

   • functions tell a program to do something
     • Each function does a different thing
       • examples
         • print() displays some text in the console
         • input() gets some text from the keyboard
         • round() rounds a number to a given decimal place
   • methods are functions that are contained in a group

3. arguments

   • The extra data in the bracket is an Argument
   • multiple Arguments
     • if a function requires more than one argument it is separated by commas