Is a program that hides in a computer or mobile device and allows someone from a remote location to take full control of the computer or device

Dameas communication challenge is due to which factor

What is html ? give a small description about html

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).