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Lesson1 TW
Computer and Computer Systems
Term | Definition |
---|---|
arithmetic/logic unit | the part of the central processing unit that performs arithmetic computations and logical operations |
central processing unit | also known as the brains of the computer |
circuit board | a thin plate or board that contains electronic components |
computer | electronic device that receives processes and stores data |
control unit | the part of the central processing unit that control the flow of information through the processor |
data | information entered into the computer to be processed that consist of text numbers sounds and images |
hard disk | a data storage unit inside a computer that can store a large quantity of data |
hardware | the actual machine |
information | output produced by a computer |
memory | short term or long termway to store a file or information |
mobile devices | small general purpose computers that can be generally fit into the palm of your hand |
motherboard | circuit board mounted in a computer case that contains integral components |
notebook computers | small personal computers that contain the monitor with a built in keyboard |
random access memory | short term memory located on the motherboard that the computer can read from and write to temporairly |
read-only memory | store specific instruction needed for a computer operations |
server | a general purpose computer that can support a few or hundreds of users |
software | instruction or program for controlling the computer |
supercomputer | fastest type of the computer used for specialized applications to process enormous amounts of data |
tablet pc | personal computer similar in size and thickness to a notepad |
USB flashdrive | a small removable data storage device |