Both typically carry data between the central processing unit cpu and a memory controller hub, known as the northbridge depending on the implementation, some computers may also have a backside. Most people dont need to ever mess with the bios on a computer, but it can be helpful to know what it is. Initiation a larchitecture et aux systemes dexploitation lisic. On peut consulter son site avec nimporte quel navigateur mais il a ete optimise pour firefox et safari. Lensemble des astuces windows 9598 sont telechargeables au format pdf acrobat. Rs485, also known as tia485a or eia485, is a standard defining the electrical characteristics of drivers and receivers for use in serial communications systems. Nous pouvons considerer ce critere comme une definition provisoire dun algorithme. Agp informatik informatique reseau videoprotection. On peut telecharger des tutoriels en pdf tres bien expliques. Register domain names transfer domain names ssl certificates web hosting cloud news help. Glossaire simple et dictionnaire des termes informatiques officiels en france. Short for readonly memory, rom is a storage medium that is used with computers and other electronic devices. Depuis 2008, lentreprise agp informatik, installee a nice dans le departement des alpesmaritimes 06 met ses services en matiere d informatique et devideoprotection a votre disposition.
Electrical signaling is balanced, and multipoint systems are supported. A small battery, called a cmos battery, keeps it powered. Hardware architecture may be implemented to be either hardware specific or software specific, but according to the application both are used in the required quantity. Pdf initiation a linformatique cours et formation gratuit. Agp is a type of expansion slot designed specifically for graphics cards. A glossary of computer and internet terms with definitions that are easy to understand.
Since the agp interface provides a dedicated bus for graphics data, agp cards are able to render graphics faster than comparable pci graphics cards. Pc glossary definitions of computer and internet terms. The standard is jointly published by the telecommunications industry association and electronic industries alliance tiaeia. Application layer gateway, voir anglais applicationlevel gateway alsa.
It is either modified with extreme difficulty or not at all. Opening the cmos setup is how you can change the settings its storing, like the date and time and how the different computer components are first started up. As the name indicates, data stored in rom may only be read. A computer case also known as a computer chassis, cabinet, box, tower, enclosure, housing, system unit or simply case is the enclosure that contains most of the. Qcm maintenance informatique test architecture des. Ecosystem definition, a system, or a group of interconnected elements, formed by the interaction of a community of organisms with their environment. Cmos is the memory on a motherboard that stores the bios settings.
For the love of physics walter lewin may 16, 2011 duration. When the computer is first starting up, theres an option to boot into bios or cmos. A frontside bus fsb is a computer communication interface that was often used in intelchipbased computers during the 1990s and 2000s. Agp accelerated graphic port technologie visant a accelerer le transfert d information du. Rom contains the programming that allows a computer to start up or regenerate each time it is turned on. Readonly memory, or rom, is a type of computer storage containing nonvolatile, permanent data that, normally, can only be read, not written to. The bios is a program preinstalled on windowsbased computers not on macs that the computer uses to start up. Agp advanced graphics port a special slot on the pc motherboard for graphics cards, and the format of the cards themselves. Examens avec leurs corriges, exercices avec leurs corriges et tutoriaux et plein dastuces informatique. The cpu accesses the bios even before the operating system is loaded. It was developed in 1996 as an alternative to the pci standard. Motherboard wo cpu or ram 50w 150w ram 15w per 1gb processor 80w 140w. Les autres cartes introduction hardware ordinateur definition informatique peripheriques les cartes mesures chiffres bus memoire processeur disque dur historique puces et boole fonctionnement po ly carte graphique. The ev6 bus served the same function for competing amd cpus.