Lesson 2: Network Hardware

A hub is rectangular box that can be used as the central object on which computers and other devices are linked. To create this possible, a hub is equipped with small holes called ports. Although this shows up with 4 slots, depending on its type, a hub can be outfitted with 4, 5, 12, or even more slots. When configuring it, an RJ-45 is connected by you cable from the network card of a computer to one port of the hub.

In most instances for a home-based or a little business network, you might not need (or shouldn’t use) a hub. Such as a hub, a router is another type of device that works as the central point among computer systems and other devices that are part of a network. A router functions just a little in different ways than a hub.

In fact, a router can be considered a little “intelligent” than the hub. Just like a hub, the computers and other devices are connected to a router using network wires. To make this possible, a router has holes, called ports, in the back. Predicated on advances in the last years from IEEE and other research or organizations companies, there are wireless routers.

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With this type, the computer systems and devices connect to the router using microwaves (no physical cable connection). To be able to hook up to a network, a computer must be outfitted with a device called a network credit card. A network card, or a network adapter, called a network interface card also, or NIC, allows a computer to connect to the exterior.

If you buy a computer from one of these popular stores or big companies on the web, most of their computer systems have a network cards ready and examined. You can use it reliably. If you visit a store that sells or manufactures computers, you can keep these things install or ensure that the computer has a network card.

If you have some type of computer that doesnt have a network cards, you can set up one. When you have a computer that has a network card already, you can still replace it. With regards to their installation, there are roughly two types of network cards: internal and external. What this cards looks like might not be particularly important and it could depend on the manufacturer but some of its aspects are particularly important. To start out, there are two types of credit cards and you need to know which is appropriate (or which one you want to use) for your computer. One kind of NICs runs on the peripheral component interconnect (PCI) connection. Another type uses industry standard architecture (ISA).

There are two primary ways you replace an interior network card. Generally, you will remove the card your personal computer already has and use a new one. In a few other cases, you is only going to put in a new card but you cannot replace the existing one since it is part of the motherboard.