| A | B |
|---|
| Binary numbers | Strings of 1s and 0s used by computers to store and process data |
| Bit | Smallest binary unit; either a 0 or a 1 |
| Bundled software | Set of software programs that come pre-installed on new computers |
| Byte | Eight bits of data |
| Cycle | Each single calculation or step done by the CPU |
| Distros | Short for distributions; describes the various versions of Linux available |
| Docking station | Device used to connect a laptop to various input and output devices like an external monitor, a network, full-sized keyboard, or mouse |
| Gigabyte | Equal to 1,024 megabytes |
| Gigahertz | Equal to 1,000 MHz or 1 billion hertz |
| Hertz | One cycle per second; a measure of CPU speed |
| Kilobyte | Equal to 1,024 bytes |
| Kilohertz | Equal to 1,000 hertz |
| Megabyte | Equal to 1,024 KB |
| Megahertz | One million hertz |
| Open source | Model for software development where users collaborate to make additions and improvements; both the software code and final product are available free to anyone |
| Planned obsolescence | Time period over which computers become outdated and need to be replaced |
| Refresh rate | Number of times per second the image on a CRT is refreshed |
| Spyware | Malicious program installed without the user’s knowledge while surfing the Internet that tracks the user’s activities and gathers other information |
| Terabyte | Equal to 1,024 GB |
| Virus | Program specifically written to cause harm to your data and operating system |
| Warranty | Agreement provided by manufacturers specifying what they will do if their product has defects |
