If you do not know which devices have their interrupt enabled in the mask register. Immediately after an interrupt has been triggered and the ISR is reached, what is the lowest possible value that could be in the interrupt status register.

Jackson, who works in the finance department of a company, is holding a seminar for other employees on how to file taxes. only three employees sign up to attend the seminar. which device can he use to share his presentation with a group of three employees?