Dell PowerEdge 750 - Manual (Page 23)

l Communications between the processor and peripheral devices
l Miscellaneous functions, such as system messages
bit
The smallest unit of information interpreted by your system
blade
A module that contains a processor, memory, and a hard drive. The modules are mounted into a chassis that includes power supplies and fans.
BMC
Baseboard management controller
boot routine
A program that clears all memory, initializes devices, and loads the operating system when you start your system. Unless the operating system fails to
respond, you can reboot (also called warm boot) your system by pressing <Ctrl><Alt><Del>. Otherwise, you must restart the system by pressing the reset
button or by turning the system off and then back on.
BTU
British thermal unit
bus
An information pathway between the components of a system. Your system contains an expansion bus that allows the processor to communicate with
controllers for the peripheral devices connected to the system. Your system also contains an address bus and a data bus for communications between the
processor and RAM.
C
Celsius
cache
A fast storage area that keeps a copy of data or instructions for quick data retrieval. When a program makes a request to a disk drive for data that is in the
cache, the disk-cache utility can retrieve the data from RAM faster than from the disk drive.
CD
Compact disc. CD drives use optical technology to read data from CDs.
component
As they relate to DMI, components include operating systems, computer systems, expansion cards, and peripherals that are compatible with DMI. Each
component is made up of groups and attributes that are defined as relevant to that component.
COMn
The device names for the serial ports on your system
control panel
The part of the system that contains indicators and controls, such as the power button and power indicator
controller
A chip that controls the transfer of data between the processor and memory or between the processor and a peripheral