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25 Cards in this Set

  • Front
  • Back
Access Time
The time delay or latency between a request to an electronic system, and the access being completed or the requested data returned.
Adapter Card
A printed circuit board that can be inserted into an electrical connector, or expansion slot on a computer motherboard.
Analog
Continuous(wave like)signals
Arithmetic logic unit
A digital circuit used to perform arithmetic and logic operations.
Binary system
A system in which information can be expressed by combinations of the digits 0 and 1.

Bit


The smallest unit of data the computer can process.
Bus

Electrical channel that transfers electronics bits internally within the circuitry of a computer, allowing the devices both inside and attached to the system unit to communicate with each other.

Byte
Eight bits grouped together.

Cache
area of memory that stores the contents of frequently used data or instructions.
central processing unit
interprets and carries out the basic instructions that operate a computer.

chip

a small piece of semiconducting material

clock speed

the pace of the system clock
control unit

the component of the processor that directs and coordinates most of the operations in the computer.

digital

representation of data using only two discrete states.

ecycling

short for electronics recycling.

expansion slot

a socket on a desktop or server motherboard that can hold an adapter card.

firmware

ROM chips or flash memory chips that store permanent instructions, such as a computer or mobile device's.

flash memory

type of nonvolatile memory that can be erased electronically and rewritten.

gigahertz

one billion ticks of the system clock per second.

memory

electronic components that store instructions waiting to be executed and the data needed by those instructions.

memory cache

cache that helps speed the processes of a computer by storing frequently used instructions and data.

memory module
small circuit board that houses RAM chips and is held in a memory slot on the motherboard.

memory slots

slots on the motherboard that hold memory modules.

motherboard

the main circuit board of the personal computer.
multi core processor
a single chip with two or more separate processor cores.