To use the webcam, you must install webcam drivers and software. If you ordered the webcam along with your computer, the drivers and
software are generally installed when you receive your computer. For more information on setting up the webcam, see Setting up your
webcam.
Network
A network allows you to connect your devices with each other and to the internet. These devices include computers, tablets, phones,
printers, and other peripherals. You can set up your network using cables (LAN) or using wireless devices (WLAN). Networks can be set up
using Ethernet, Wi-Fi, WWAN, Bluetooth, and so on.
Local Area Network
Replace this text with your content. Devices are connected using Ethernet cables and cover a relatively small area, generally within a house
or a building.
Wireless Local Area Network
Devices are connected wirelessly and cover a relatively small area, generally within a house or a building. The wireless connection used for
setting up WLAN is generally Wi-Fi (802.11x where x refers to the dierent 802.11 protocols).
Wireless Wide Area Network
Also known as Mobile Broadband, this service is generally provided by the phone companies for use on mobile devices. A mobile device or
laptop must support WWAN technology to connect to this network.
Wireless Personal Area Network
Devices are generally connected wirelessly using Bluetooth, RF, Near-Field Communication (NFC), and so on. This type of network
generally operates within a few feet of the devices. To connect your computer or tablet to the internet, see Connecting to the internet.
Modem
Modems allow you to connect your computer or router to the internet. Modems can be analog (dial-up) or digital (DSL or cable). DSL or
cable modems are generally provided by your internet service provider.
• Dial-up modem—Electronic devices that convert analog phone signals into digital signals that the computer can process and digital
computer signals into analog signals that can be transmitted over the telephone lines. Dial-up modems can be internal or external.
• Digital modem—Used to send and receive data to and from a digital telephone line, like Digital Subscriber Line (DSL) or Integrated
Services Digital Network (ISDN).
Router
A router is a device that forwards data between computer networks. The most familiar type of routers are home and small oce routers
that allow you to share your internet connection between multiple devices at the same time.
Routers can be wired or wireless. A wired router allows you to connect your computer using a Ethernet (RJ45) cable. Most wired home
routers have four ports allowing you to connect up to four computers to the internet at the same time. A wireless router uses Wi‑Fi
technology allows you to wirelessly connect your phones, tablets, computers, and other devices to the network.
About your computer
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