1- what is meant by plug and ply devices? what are the bus protocols that support plug and play devices?
2- what is hot attachment and detachment? what are the bus protocols that support hot attachment and detachment?
3- what is a timer? how does a counter perform (a) timer functions, (b) prefixed time initiated events generation and (c) time capture functions?
4- why do you need at least one timer device in an embedded system?