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LANs - HW and SW

LANs - HW and SW. By the end of this section, you will know and understand the hardware and software involved in making a LAN!. File Server - HW. Main computer on the network. More powerful than other computers on the network. Contains a large amount of RAM and Hard Disk space.

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LANs - HW and SW

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  1. LANs - HW and SW By the end of this section, you will know and understand the hardware and software involved in making a LAN!

  2. File Server - HW • Main computer on the network. • More powerful than other computers on the network. • Contains a large amount of RAM and Hard Disk space. • Holds the networks OS e.g. Windows XP • Holds the application software e.g. Microsoft Office Suite. • Stores the user files created on the system.

  3. Network Interface Card - HW • Also known as NIC. • Each computer MUST have one of these. • It communicates with the file server and other computers on the network.

  4. Network Cables - HW • These plug into the back of each computer and link them together. • They go straight into the Network Interface Card inside the computer.

  5. Switches - HW • A switch is a single connection point for a group of computers. • The switch is then connected to the file server and organises the communication. • Not needed with all networks.

  6. WANs HW and SW By the end of this section, you will know and understand the hardware and software involved in making a WAN!

  7. Modem - HW • Stands for Modulator – Demodulator. • First created to take digital signals from a computer and convert them to analogue so that they can be transmitted down a telephone line. • Speed at which a modem operates will affect the download time of web pages and files.

  8. ISP - Internet Service Provider • An ISP sells Internet access to companies and individuals. • It provides web servers which connect to the Internet. • An ISP will provide it’s customers with a wide range of services… • Bandwidth options. • Email service. • Web Hosting. • Online and Telephone assistance.

  9. Browser Software • Browser software allows users to view and use the web pages on the Internet. • Features include: • An Address Bar. • A Navigation Bar. • A Bookmark/Favourites Option. • A Search Engine. • A History Button. • Browser Setting and Internet Options e.g. Filtering.

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