Chapter 6 - Chapter 6 Networks and eMail A computer network...

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Chapter 6 Networks and eMail A computer network is a collection of computers and other devices that communicate to share data, hardware, and software. If computers are in a limited area, called LAN or local area network. A major advantage of being on a network is the ability to share resources - software, storage space, peripherals - beyond those available on your own computer. Each device on a network is called a node. The network server is a special computer that "serves" or delivers resources to the other computers. In order to use the network, you must log on by specifying your user id and password. To access the server's hard drive, you must know the drive mapping or letter assigned to it. Normally, the server hard drive will be denoted as F:, your hard drive is denoted as C: . There are two kinds of files stored on drive F:, data files and program files. When you start an application program that is stored on drive F:, the program is loaded into your computer's RAM memory and executes on your computer, not the server's computer. It acts just as if you had started it from your own computer's disk. Many users can launch the same program from the server at the same time. A copy of the program is stored in each computer's RAM. What's the advantage? There is no need to maintain duplicate
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Chapter 6 - Chapter 6 Networks and eMail A computer network...

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