Answer:
Hardware layer
Explanation:
The hardware layer's job is to maintain and put to action central processor units and memory. Hardware layer first check the availability of the for mentioned duo and then decides the need to put one or another into action. Physical and data link layers act the same in the hardware layer. They bot are waiting to be called in action
Ask your mobile operator
2.go to hrs service
3. Turn on and turn off
Created a new multilevel list style to add to the gallery
