Answer:
<u>D. In DMA, interrupt is sent when the task is completed</u>
Explanation:
Note, the term Direct Memory Access simply refers to a computer feature that allows hardware subsystems to directly access the main system memory of a computer, without any the aid of the central processing unit (CPU).
It is a fact that while the transfer process is ongoing, an interrupt (interrupt signal) is not sent until when the task is completed.
A technician's first step with an A/C system is to perform visual inspection
The hard drive
the power supply
the ram
the heat sink
the cpu
the motherboard
expansion slots
I think the First reason is; it provides the best way of business communication.
Second reason, streamline communication
Third reason cost effective resource sharing :) (hope this helps)