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Chapter 3
| Term | Definition |
|---|---|
| APU | An amd technology that is a combination of a CPU and a graphics processor unit |
| BGA | A connection via a processor that is soldered to the motherboard |
| BitLocker Encryption | A utility in windows that is used to lock down a hard drive by encrypting the entire windows volume |
| bus | The paths or lines on the motherboard on which data , instructions, and electrical power move from component to component |
| chipset | A group of chips on the motherboard that controls the timing and flow of data and instructions to and from the CPU |
| CMOS | The technology used to manufacture microchips |
| CSM | A feature of UEFI that allows UEFI to be backward compatible with legacy BIOS devices and drives |
| data bus | Lines of the bus, a system of pathways used for communication on the motherboard, used for data |
| data path size | The number of lines on a bus that can hold data |
| device driver | A small program stored on the hard drive and installed in windows that tells windows how to communicate |
| EFI | The original version of UEFI that was first developed by intel |
| flashing BIOS | The process of upgrading or refreshing the programming stored on a firmware chip |
| flip-chip land grid array | A type of socket used by processors that has blunt protruding pins on the socket that connect with lands or pads on the bottom of the processor |
| FCPGA | A type of socket used by processors that has holes aligned in rows to receive pins on the bottom of the processor |
| FSB | The bus between the CPU and memory on the motherboard |
| GHz | One thousand MHz |
| GPT | One of two methods used to organize partitions on a hard drive |
| Hz | Unit of measurement for frequency |
| I/O shield | A plate installed on the rear of a computer case that provides holes for I/O ports coming off the motherboard |
| ISO image | A file format that has an .iso file extension and holds an image of all the data |
| ITX | A smaller version of the microATX form factor |
| jumper | Two small posts or metal pins that stick up side by side on the motherboard or other device and are used to hold configuration information |
| Key-enrollment Key | A secure boot database that holds digital signatures provided by OS manufactures |
| Key-exchange Key | A secure boot database that holds digital signatures provided by OS manufactures |
| LGA | A socket that has blunt protruding pins in uniform rows on the socket that connect with lands or pads on the bottom of the processor |
| LoJack | A technology by Absolute Software used to track the whereabouts of a laptop computer |
| MBR | One of two methods used to organize the partition tables on a hard drive |
| MHz | One million Hz |
| Mini-ITX | A smaller version of the microATX form factor |
| PCI | A bus common to personal computers that uses a 32-bit wide or a 64-bit data path |
| PCI Express | The latest evolution of PCI, which is not backward compatible with earlier PCI slots and cards |
| North Bridge | That portion of the chipset hub that connects faster I/O buses |
| onboard port | Ports that are directly on the motherboard, such as a builtin keyboard |
| option ROM | A secure boot driver required as the computer first boots |
| overclocking | Running a processor at a higher frequency than is recommended by the manufacter |
| PCIe | A power cord connector used by high-end video cards using PCIe x16 slots to provide extra voltage to the card |
| PCI-X | The second evolution of PCI, which is backward compatible with conventional PCI slots and cards |
| PGA | A socket that has holes aligned in uniform rows around the socket to receive the pins on the bottom |
| PK | A digital signature belonging to the motherboard or computer manufacturer |
| protocol | A set of rules and standards that two entities use for communication |
| QPI | The technology used first by the intel X58 chipset for communication |
| dbx | A secure boot database that is a blacklist of signatures for software that has been revoked and no longer trusted |
| riser card | A card that plugs into a motherboard and allows for expansion cards to be mounted parallel to the motherboard |
| secure boot | A UEFI feature that prevents a system from booting up with drivers or an OS that are not digitally signed and trusted by the motherboard or computer manufacturer |
| signature database | A secure boot database that holds a list of digital signatures of approved os |
| SFF | A motherboard used in low-end computers and home theater systems |
| south bridge | The portion of the chipset hub that connects slower I/O buses |
| SPGA | A type of socket used by processors that has pins staggered over the socket in order to squeeze more pins into a small space |
| system bus | The bus between the CPU and memory on the motherboard |
| system clock | A line on a bus that is dedicated to timing the activities of components connected to it |
| TPM | A chip on a motherboard that holds an encryption key required at startup to access encrypted data on the hard drive |
| trace | A wire on a circuit board that connects two components or devices |
| UEFI | An interface between firmware on the motherboard and the OS that improves on legacy BIOS |
| VM | Software that simulates the hardware of a physical computer |
| virtualization | When one physical machine hosts multiple activities that are normally done on multiple machines |
| wait state | A clock tick in which nothing happens |
| ZIF socket | A ZIF connector uses a level or latch to prevent force from being used on a sensitive connection |
Created by:
carmona14472