technical: a group of people used in a study who have something (such as age or social class) in common. Depression was a common problem for people in that age cohort.echnical: a group of people used in a study who have something (such as age or social class) in common. Depression was a common problem for people in that age cohort.
Wi-Fi is the name of a popular wireless networking technology that uses radio waves to provide wireless high-speed Internet and network connections. A common misconception is that the term Wi-Fi is short for  wireless fidelity , however this is not the case. Wi-Fi is simply a trademarked phrase that means IEEE 802.11x.
Wireless. Wireless broadband connects a home or business to the Internet using a radio link between the customerâs location and the service providerâs facility. Wireless broadband can be mobile or fixed. Wireless technologies using longer-range directional equipment provide broadband service in remote or sparsely populated areas where DSL or cable modem service would be costly to provide.