| A | B |
| Application | perform specific tasks |
| App | common term for an application |
| Word Processors | Creates letters, brochures, flyers, documents |
| Finance | Track income, budgets, income, expenses |
| Web Browser | Used to access WWW |
| Internet Explorer, Firefox, Google Chrome, and Safari | examples of web browsers |
| Media Players | needed to open multimedia programs |
| mp4 | video file extension; open in media played |
| Widgets | simple apps used on computers, tablets, portable computers |
| calendars, calculators, maps, news headlines | examples of widgets |
| readme.txt | readme file; installation instructions |
| malware | software that is intended to damage or disable computers and computer systems |
| files | a collection of data stored in one unit, identified by a filename. |
| default program | an application that opens a file when you double-click it |
| file formats | particular way that information is encoded for storage in a computer file |
| file extension | Abbreviation of the file name (for example .docx, .txt, or .jpg) |