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lesson 1. kg

computers and computer systems

TermDefinition
arithmetic/ logic unit (AU) the part of the cnetral processing unit that preforms arithmetic computations and logica operations.
Binary machine language that is only made up of 0's and 1's
bit in binary, a bit represents a zero or one.
Bios ROM a type of computer chip where instructuins for starting up the computer are stored.
byte another word for character, generally represents eight bits.
central processing unit (CPU) also know as the micro-processor;the brains of the computer
circut board a thin plate or board that contains electronic computers.
computer electronic device that receives, processes, and stores data and produces a result.
control unit the part of the central processing unit that controls the flow of information through the processr
data infomation entered into the computer to be processed that consist of text, numbers, sounds, and images.
dul- core processor a single chip that contains two sepeerate processors.
embedded computers similar in principle to operation systems suchs as windows or linux, embedded operating systems are smaller and generally less capable than desktop operating system.
file allocation table a special log on a magnetic storage disk where each track is labeled and given a location
hard disks used to store data into the computer; removable versions are available.
hardware then actual machine-wires, transistors, and circuits- in a computer system.
information output produced by the computer.
memory short term or long term way to store a file or information.
moble devices small general- purpose computers that can generally fit into the palm of your hand.
motherboard curcuit board mounted in a computer case that contains integral components.
mulitcore processor an expantion that provides for more than two processorws.
network drive a hard drive or a tape drive located on the computer other than the user's local system.
notebook computers small personal computers that contain the monitor with a built-in keyboard; also called laptop computers.
random acess memory(RAM) short term memory located on the motherboard that the computer can read from and write temporarily.
read-only memory(ROM) stores specific intructions needed for the computer operations.
remote storage used to extend disk space on a server aqnd eliminate the addition of more hard disk or other storage devices.
server a general-purpose computer that can support few users or hundreds of users; variations include file server, database serve, web server.
software instructions or programs for controlkling the computer.
supercomputer fastest type of computer; used for specialized applications to process enormous amoput of data.
tablet PC Personal computer similar in size and thickness to a notepad; used with a stylus or digital pen on a touch screen.
tracks cicles on a magnetic storage device where data is stored or retrieved.
Created by: kgautreaux7