COSC 109 Lecture Notes - Lecture 9: Key Frame, Actionscript, Scripting Language
24 Apr 2016
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Document Summary
Low level languages and high level languages: high level: java, c++, fortran. Easy for humans to read and write, but require more translation for the computer: low level: assembly language machine language a programming language that communicates with a computer through 0"s and 1"s. Prescribes the ways in which statements must be written in order for them to be understood by computer. Like the rules of grammar and punction in human languages, but must be followed precisely. For example: case sensitive, each statement ends with a semi-colon (;, the naming of variables and functions has to start with a letter, _, or , *cannot start with number. Purpose: to store values that can be updated at anytime. Cannot be a keyword (should not turn blue in code window) Example: score = 10, lettergrade = a ; Before you use a variable or assigning a value to a variable, you need to declare it. General syntax: declare without assigning a value:
