Which of the four control methods is best suited for rapid response to an input or output event?
1-programmed i/o
2- direct memory access
3- interrupt-driven i/o
4- channel i/o

The ieee 802.11: defines standards for wireless local area network (wlan) communication protocols. identifies various computers or devices connected to a network. verifies any resource attached to another computer on a network that is different from the computer to which the user is logged on. connects multiple local area networks (lans) and wide area networks (wans).