Friday, December 5, 2008

Compartment Syndrome Compression Socks

Hardware




L 'Hardware? The very word makes you stand on end capelli.Che What is this? What does it mean? Why a difficult word and mostly in another language? Me that even I wondered, to 'start to school when I did learn difference between hardware and software, and I wanted to use your computer now there I was terrible because I had to learn only the teoria.Purtroppo only after I knew it was important to know the meaning of these words to know how what I am really a computer.Ma maggiormante highlight interesting nell' Hardware sono:La scheda grafica,l' Unità centrale,il motherboard (scheda madre) la CPU: central processing unit (unità centrale di calcolo),la memoria. Ho scelto questi 5 elementi perchè credo che siano i più interessanti per iniziare a capire la struttura di un computer.Se l' alunno si appassiona a qualcosa che lo fa gioire,penso possa apprendere in modo migliore,anche gli elementi che sembrano più noiosi.Parlando della scheda grafica,mi viene da fare subito un commento:"Insomma,come si fa ad non entusiasmarsi difronte ad un apparecchiatura cosi "piccola"(rispetto alla sua funzionalità), ma in grado di ricevere le informazioni dal sistema centrale e le elaborarle per essere visualizzate sullo schermo?. E' In fact, a delicate part, as converts the digital information in analog, not to mention the CPU (the side you can see a modern version) In fact it is one of two main components of the von Neumann machine , the model on which they are based Most modern computer .
task of the CPU is to read data from memory and execute instructions , the result of ' execution depends on the data on which it operates and the internal state the CPU, which keeps track of past transactions . (Source Wikipedia) http://it.wikipedia.org/wiki/CPU . At

basis of everything we have the motherboard, and is the main component of many functions on which they depend. It resides in the BIOS (basic input output, System basic input-output) in charge of the coordination between devices. (Pictured above right).
memory instead is critical to the performance of a machine is memory, where it handles information. The memory is organized in a system based on binary numbers. The bit is too small to represent higher values \u200b\u200bdual to an idea, and then grouped into a number of 8 bits to form a byte.
All these "gears" that we talked about, should be included in the 'central unit http://venus.unive.it/pmlett/autoapprendimento/windows_word/images/a_2_case.jpg
it consists of a metal (aluminum or steel) called a case (container) has a variable number of devices, called internal, some with plugs and sockets that look outward. A power-transformer converts the alternating current at 220 volts direct current ranging from 12 to 5 volts, which is necessary for the operation of only the internal components (other than electric power systems or other devices are used). Because I talked about all these things? To demonstrate that learning the basics of a subject, it is very important, but often it can be taken as noioso.Dando concrete evidence of the extraordinary capabilities of each piece, you can also learn in maniera più divertente ed efficace.


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