2. Expansion slot-connection that let you install expansion boards
3. flash memory-smart media and compact flash card store megabytes of data on small thin rectangular cards using a type of chip.
4. graphical user interface-lets users point and click on recognizable intuitive and consistent objects elimination the need to memorize complex commands and syntax.
5. hard drive-is the storage device at the heart of most computer systems.
6. hardware-encompasses all the physical compotes of a computer system.
7. input device-are external to the system unit and are attached to ti using specific connectors and ports.
8.linux-is a powerful operating system for pc's based on unix
9. mac OS-beginning with version 8
10. mainframe-perform multiple tasks for many users simultaneously usually for large corporations or organizations.
11. minicomputer-were common in the 1970's and 1980's.
12. motherboard-all computers circuity is connected to the main circuit board.
13. operating system (OS)-the software program that happens while your computers
14. output device-show you the results of the computers processing
15. platform-the computer environment.
16. professional workstation-meets the need of users requiring more computing power than a personal computer.
17. random access memory-chips that store data only temporality all information is erased when the computer is turned off.
18. read-only memory-chips have instructions and data built into them.
19. supercomputer-meet this need by processing trillions of calculations per seconds.
20. syntax-the user must type commands using particular keywords punctuation symbols and other rigidly enforced rules collectively knows as syntax
21. system software-includes the operating system and utility programs system and utility programs that help to operate and maintain your computers data
22. system unit-is the case that houses the pouters internal processing circuitry
23. user interface-the way in which the user interacts with the computer
24. utility program-the other part of the system software perform behind the scenes
25. virus-are small pieces of unauthorized program
26. windows-early version of windows were really not operating systems at all
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