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1. A computer system has two main components or characteristics - a central processing unit (CPU) and storage. The CPU is where computer programs are run. Computer programs consist of a series of basic instructions - e.g. add, subtract, multiply, read the keyboard, display on the screen. Storage consists of memory (short term storage) and disk (permanent storage. http://wiki.answers.com/Q/What_are_the_Two_main_characteristics_of_computer_system
1. Define the function of following hard disk....monitor...mouse and graphic card???
Hard disk: http://www.tekmom.com/buzzwords/zdhdisk.html refer here.... http://www.webopedia.com/TERM/H/hard_disk.html
Monitor:http://www.pcmag.com/encyclopedia_term/0,2542,t=monitor&i=47212,00.asp A display screen used to provide visual output from a computer, cable box, video camera, VCR or other video generating device. Computer monitors use CRT and LCD technology, while TV monitors use CRT, LCD and plasma technologies. http://www.webopedia.com/TERM/M/monitor.html
Mouse: http://answers.yahoo.com/question/index?qid=20080423212705AAV0XuV and try look here...http://www.techterms.com/definition/mouse
Graphic Card: Graphics cards, also known as video cards, graphics accelerators or display cards are computer hardware that takes binary data--that is, data compressed into a system of just two digits, 1s and 0s--and converts this data into images that are displayed on the computer's monitor. http://www.ehow.com/about_5057733_definition-graphic-card.html?ref=Track2&utm_source=ask .A graphics card is a device installed in a computer that consists of a graphics processing unit designed to help process and display images, especially 3D graphics. Graphics cards help take the processing strain off the main processor, and can contain their own memory to take the strain off the system RAM.http://www.ehow.com/facts_5128286_definition-graphics-card.html
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