A circuit board the provides additional functionality to computer system.
What is an adapter card or add-on card?
A connector used for twisted pair cabling, plug in ethernet port.
What is an RJ-45 connector?
A type of microprocessor used on a dedicated video adapter card or integrated into a CPU.
What is a GPU?
The standard packaging for system memory. There are 4 different pin configurations for different RAM types.
What is DIMM?
A software routine that compacts files back into contiguous areas of the disk
What is disk defragmentation or defragging
A standard PC case and power supply specification.
What is ATX?
The main type of connector on a PC. Type A connects to a port on the host.
What is USB?
A display technology where the image is made of liquid crystal cells controlled by electrical charges.
What is a LCD panel?
Memory controller with 2 pathways through the bus to the CPU so 128 bits of data can be transferred.
What is dual channel memory?
This RAID is an exact copy of one disk to another disk.
What is RAID 1 (mirroring)?
Metal strip that covers adapter slots in a PC case.
What is a blanking plate?
Peripheral used to gather physical human features and compare to data stored in a database.
What is biometric device?
The smallest discreet element on a display composed of red, green, and blue dot.
What is a pixel?
An error checking method where each byte of data is accompanied by a 9th bit.
What is ECC?
Technology designed to alert users to possible hard disk failure.
What is S.M.A.R.T.?
Connections between components on the motherboard and peripheral devices.
What is a bus?
Transmits both digital video and audio and is used on PC's and TV's.
What is HDMI?
A measure of the number of picture elements (pixels) that imaging devices use to sample an image.
What is resolution?
The principle storage space for computer data and program instructions. It's volatile.
What is RAM?
A small block of high speed memory that enhances CPU performance.
What is cache?
Software instructions stored semi-permanently (embedded) on a hardware device. Stored in flash memory.
What is firmware?
A rectangular connector with pins or pads and a mechanism to hold a CPU in place.
What is a socket?
Provides an interface between the graphics components of a PC and the display device.
What is a video card?
Is used as storage place for virtual memory.
What is the hard disk or HDD?
A disk array pattern where data is written in stripes to 2 or more disks sequentially improving performance.
What is striping or RAID 0?