| RADCAB | RADCAB is a mnemonic acronym that helps people evaluate information found online... |
| RAID | Stands for "Redundant Array of Independent Disks." RAID is a method of storing... |
| RAM | Stands for "Random Access Memory," and is pronounced like the male sheep. RAM is... |
| Raster Graphic | Most images you see on your computer screen are raster graphics. Pictures found on... |
| Raw Data | Raw data is unprocessed computer data. This information may be stored in a file... |
| Raw File | A raw file is a collection of unprocessed data. This means the file has not been... |
| RDF | Stands for "Resource Description Framework." RDF is a specification that defines... |
| RDRAM | Stands for "Rambus Dynamic Random Access Memory." It is a type of RAM made by... |
| Readme | A readme file, often named "READ ME" to get the user's attention, is a text file... |
| Real Number | Real numbers include all positive and negative numbers. They may be integers (e.g... |
| Real-Time | When an event or function is processed instantaneously, it is said to occur in... |
| Recursion | Recursion is a process in which a function calls itself as a subroutine. This... |
| Recursive Function | A recursive function is a function that calls itself during its execution. This... |
| Recycle Bin | The Recycle Bin in used by Windows computers to store deleted items. It... |
| Refresh | Refresh is a command that reloads the contents of a window or Web page with the... |
| Refresh Rate | Computer monitors often have a "maximum refresh rate" listed in their technical... |
| Registry | This is a database used by Microsoft Windows to store configuration information... |
| Reimage | Reimaging is the process of restoring data to a hard disk from a disk image. When... |
| Remote Access | Remote access is just what it sounds like -- the ability to access your computer... |
| Remote Desktop | Remote desktop technology makes it possible to view another computer's desktop on... |
| Remote User | A "remote user" is how a woman might refer to her husband while he is watching TV... |
| Resolution | This term can describe either how many pixels a monitor can display or how fine a... |
| RFID | RFID is short for "Radio-Frequency Identification." RFID tags are small integrated... |
| RGB | Stands for "Red Green Blue." It refers to the three hues of light (red, green, and... |
| Rich Text | Rich text is more exciting than plain text. It supports text formatting, such as... |
| Right Click | Most computer mice have at least two mouse buttons. When you press the left one... |
| Ripcording | Recording audio with a computer involves capturing an audio signal and saving it... |
| RISC | Stands for "Reduced Instruction Set Computing,"and is pronounced "risk." It is... |
| ROM | Stands for "Read-Only Memory." Please do not confuse this term with RAM or a hard... |
| Root | Root, or the "root node," refers to the top level of a file system. Since file... |
| Rootkit | A rootkit is not a collection of tree roots, as you might be picturing in your... |
| Rosetta | Rosetta is technology included in Mac OS X that allows software written for PowerPC... |
| Router | This is a hardware device that routes data (hence the name) from a local area... |
| RPC | Stands for "Remote Procedure Call." Most computer programs run procedures, or sets... |
| RPM | Stands for "Revenue Per 1,000 Impressions." RPM is similar to CPM, but measures... |
| RSS | Stands for "RDF Site Summary," but is commonly referred to as "Really Simple... |
| RTE | Stands for "Runtime Environment." As soon as a software program is executed, it is... |
| RTF | Stands for "Rich Text Format." RTF is a file format standardized by Microsoft for... |
| Ruby | While in the physical world, "ruby" refers to a red gemstone, in the computer... |
| Runtime | When a program is running, or executing, it is said to be in runtime. The term is... |
| RUP | Stands for "Rational Unified Process." RUP is a software development process from... |