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Main Parts Of A Computer
Main Parts Of A Computer
Processor (CPU) - The part of the computer that handles all processes and instructions supplied by memory unit (RAM) Memory (RAM) - Random Accessed Memory. The area of the computer that holds the instructions (processes) and information system gives it. When you turn the computer off, everything in RAM disappears. Read Only Memory (ROM) - A chip or disk that holds information that cannot be changed. Ex CD-ROM, DVD-ROM Disk drive - A mechanical device that you use to transfer information back and forth between the computer's memory and a disk. Floppy disk (3.5") - A magnetically coated disk on which information can be stored and retrieved. Capacity is 1.44MB - requires a Floppy-Drive Zip disk - A magnetically removable coated disk on which information can be stored and retrieved. Capacity is 100 or 250MB or more - requires a zip-drive Hard disk - A large capacity storage area that offers access to store and retrieve information, very slow compare to RAM. Monitor - A screen that displays the information in the computer. Keyboard - A device used to enter data and issue commands to the computer. Printer or Scanner - A devices that help to make hard copies o scan documents into the computer. Mouse - A small, hand-held device used to control the pointer on the screen. Software - Instructions that tell your computer how to perform a task. Software is stored on the disks in program files. Software cannot be seen or touched. There are two main kinds of softwa * application software and * system software Application software (program) - Software that does specific task, such as word processing. (Word, Power Point) System software - Software that the computer system or OS operating system. Firmware - A kind of system software - instructions that are built into the computer system on ROM chips. Operating System (OS) - software that acts as a link between you, application software (programs), and hardware. (Windows 98, Mac OS 9, Linux 7.2) Graphical User Interface (GUI) - A phrase that is commonly used to describe Microsoft Windows and other OS that use pictures to help you communicate with the computer. Build Your Own Computer And Save $1,500 – http://owncomputer.vze.com You can save hundreds of dollars and get the personal experience on making a computer successfully with this bundle - certainly worth the small investment - Check it out.. Reference: http://pt3.hunter.cuny.edu/tutorials...asic/basic.htm |
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