vo-computre system.doc

System Vocabulary

1.central processing unit-the part of the computer that executes instruction,controls the flow of data,and performs the arithmetic and logic decisions.
2.expansion slots-a part of the motherboard that allows the connection of circuit boards.
3.flash memory-a type of removable memory commonly used in small hand-held devices,such as cell phones,digital cameras,and digital music players.
4.graphical user interface-a desingn for the part of an operating system imn which the user typically.
5.hard drive-a nonremovable storage device used to hold software and data on a computer system.
6.hardware-the physicalparts of a computer system including input.
7.input device-any device that accepts data from the user,such as a keyboard or mouse.
8.linux-an operatingsystem based on unix that permits any programmer to improve upon it and is available as freeware.
9.MacOS-the operating system of the macintosh line of computer system.
10.mainframe-a computer system used by large organizations that can support many users and large databases.
11.minicomputer-a computer system smaller and less powerful than a mainframe.
12.motherboard-the main circuit board contain