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Question

Wireless adapters are ____________.

A
Found in all laptops made after 1998
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B
Always needed to connects to wireless networks
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C
Either (a) or (b)
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D
None of the above
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Solution

The correct option is B Always needed to connects to wireless networks

Wireless adaptors are Always needed to connects to wireless networks.

A wireless adapter is a hardware device that is generally attached to a computer or other workstation device to allow it to connect to a wireless system. Before the advent of consumer devices with built-in Wi-Fi connectivity, devices required the use of wireless adapters to connect to a network.

A USB Wi-Fi adapter eliminates the need to hardwire the computer to a router or other network device. ... The adapter receives signals from a wireless router or other wireless device and translates the signal so the computer user can access the Internet any time they are in range of a Wi-Fi hotspot or wireless network.

A high-speed wireless network card that is used to access a network through a USB port on a computer or laptop. Most wireless USB LAN adapters look like small USB flash drives and usually are based on the 802.11g standard which provides a data rate up to 54-Mbps in a wireless LAN environment.

While wireless LANs refer to any local area network (LAN) that a mobile user can connect to through a wireless (radio) connection; Wi-Fi (short for "wireless fidelity") is a term for certain types of WLANs that use specifications in the 802.11 wireless protocol family. ... Differences between Wi-Fi, WLAN and WiMax.


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