differences between ram & rom ram: 1 ram stands for random access memory 2 main memory 3 necessary to process information (example:work with a file) 4 volatile: if it not saved, data disappears when u shut off the computers power. its temporary. 5 often discussed when buying a computer 6 u can read & write to it. comparable to a noteped. rom 1 rom stands for read only memory 2 low level memory 3 necessary to perform the most basic functions(example: start the computer) 4 nonvolatile: data remains even when u shut off the computers power. its permanent 5 seldom mentioned when buying a computer 6 u can read from it, but u cant write to it comparable to a novel. network types: one way to categories the different types of computer network designs is by there scope or scale. for historical reasons, the networking industry refers to nearly every type of design as some kind of area network. common examples of area network types are: ° LAN - Local Area Network ° WLAN - Wireless Local Area Network ° WAN - Wide Area Network ° MAN - Metropolitan Area Network ° SAN - Storage Area Network ° CAN - Campus Area Network ° PAN - Personal Area Network ° DAN - Disk Area Network LAN & WAN were the original categories of area networks, while the others have gradually emerged over many years of technology evolution. Advantage of the Internet: the Internet provides opportunities galore,& can be used for a variety of things. some of the things that u can do via the Internet are: E-mail: E-mail is an online correspondence system. by using e-mail u can send & reactive an instant electronic message, which works like writing letters or faxes. your messages are delivered instantly to people anywhere in the world, unlike traditional mail that takes a lot of time. Access information: the Internet is a virtual treasure trove of information. any kind of information on any topic under the sun is available on the Internet. the search engines on the Internet can help u to find data on any subject that u need. shopping: along with getting information on the Internet. u can also shop online. there are many online stores & sites that can be used to look for products as well as buy them using your credit card. u do not need to leave your house & can do all your shopping from the convenience of your home. online chat: there are many chat rooms on the web that can be accessed to meet new people, make new friends, as well as to stay in touch with old friends. downloading software: this is one of the most happening & fun things to do via the Internet. u can download innumerable,games,music,videos,movies & a host of other entertainment software from the Internet, most of which are free.
Posted on: Wed, 29 Jan 2014 10:40:13 +0000
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