| A | B |
|---|
| Clock speed | Speed of a processor, in ticks per second. |
| Central Processing Unit | Hardware responsible for processing all instructions the computer runs. |
| Data throughput | Rate at which data is processed and output by a system. |
| Dual core | A multi-core system with two processor cores. |
| Gigahertz | Unit of measurement for a processor's clock speed. 1000 MHz. |
| Hardware | Physical parts of a computer system. |
| Megahertz | Unit of measurement for a processor's clock speed. |
| MIPS | Million Instructions Per Second." It is a method of measuring the raw speed of a computer's processor. |
| Motherboard | The circuit board to which the internal computer components connect: the CPU, the RAM, the ROM, and the secondary storage devices |
| Multi-core | Processor with more than one processor core, to increase its performance. |
| Multiprocessing | A system with more than one processor, to increase its performance. |
| Multitasking | A single processor running multiple tasks by switching rapidly between them. |
| Quad-core | A multi-core system with four processor cores. |
| Software | The instructions and programs which are run by the CPU. |
| Speed throttling | Reducing a processor's clock speed to save power when not in use. |
| Bandwidth | Measure of a network's speed. |
| Bluetooth | Short range, low bandwidth wireless technology often used for mobile phone headsets or earphones. |
| Domain names | Human readable names given to web sites, such as www.itgstextbook.com |
| Ethernet | Type of wired network connection commonly used on LANs |
| Hub | Hardware device for connecting several computers on a network. |
| Internet Protocol | Standard protocol used on many LANs and on the Internet. See TCP. |
| IP address | Unique address assigned to every computer on a network. |
| Protocols | A standard set of rules for performing tasks, such as communication. |
| remote access | Ability to connect to a computer, over a network, as though you were physically present at the keyboard. |
| Server | Computer on a network that provides services or performs work for others. |
| switch | Hardware device for connecting several computers on a network. |
| url | Universal Resource Locator. Describes the location of an item, such as a web page, on the Internet. |
| Wireless hotspot | The area around a WiFi router where wireless access is available. |
