| A | B |
| Obsolete | Out of date and no longer useful |
| Planned obsolescence | Products designed to force consumers to replace them |
| Roaming charges | Cost when outside your service area |
| Home coverage area | Your service area |
| Slamming | Switching consumers phone service to a different company without permission |
| Cramming | Adding charges that were not ordered or received |
| Modem | Part of the computer that allows you to connect to the Internet |
| Dial-up access | Using the telephone to connect to the Internet |
| Broadband | High speed internet |
| DSL | High speed Internet over the telephone |
| Microprocessor | Electronic circuit |
| RAM | Random Access Memory, the main memory used by the computer |