W
watt

The unit of measure for power, equal to the number of volts in a circuit times the number of amps.

webcams

A video-only camera that connects to a computer so that the video it captures can be sent across the Internet in real time.

wide area networks (WAN)

A network that expands LANs to include networks outside of the local environment and also to distribute resources across distances.

WiFi

A collection of IEEE 802.11x standards.

WiFi Protected Access (WPA)

An enhancement of 802.11 encryption that secures WiFi communications. The current standard is WPA2.

Windows Catalog

A list of all the hardware that works with Windows that also details which versions of Windows the hardware works with. The new name for the Hardware Compatibility ...

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