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lesson 1. kg
computers and computer systems
Term | Definition |
---|---|
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. |