A service that will provide your image when you log into a number of web sites. That image can be viewed by others to make sure they recognize the you they are communicating with. I consider using such a service part of setting up a professional image.

Machine Independent Languages are either specific to a processor (low-level languages) or independent of any processor (high-level languages).

System Tests User Tests Testing of the complete application to confirm that it meets the project specification

Mutator Methods that can access a private attribute. These methods control access to the attributes and can enforce value validation to make sure the attribute is properly constrained.

A simple number used to identify where in memory we want something to happen., In most computers, each byte of memory has a unique numerical address.

Application Programming Interface A collection of methods that provide the public interface to a subsystem used in your application.

Assembler Assemblers When we process a program written in Assembly Language, we use a tool called an assembler to convert the program into machine language the processor actually understands. We compile our programs.

A human readable form of machine language. An assembler converts code written in this language into machine language. These languages are processor specific.

A graphical representation of a user. Often an image, but it can be a cartoon-like character as well. To make the web more personal (and less anonymous), sites like Gravatar help users show their chosen avatar on many web sites. I consider this usage part of setting up a professional image.

Baby Steps A software development process that focuses on making very small changes to your code, followed by a quick test using the compiler to make sure you can run your code, and a run that generates output you can inspect to see how your changes are working. The key to this is doing this sequence often.