So the question ask on which of the following among the choices might happen if dispatchable threads were removed from the software hierarchy and the best answer among your choices is letter D. Background program would be dropped. I hope you are satisfied with your answer
Answer:
1.Execution Unit. 2.Bus interface unit
Explanation:
Kinda of both. The processor, memory, hard drive and displays are all standard components and are provided by a variety computer competent manufacturers (except for the processors which are all supplied by Intel). Yet - while many components are standard - NO, the core, hardware components, like logic boards (motherboard), video cards, and other specialty components (some display connectors and displays, for example) are propriety Apple designs.
So, you can be able to make a prediction and understand the cycle.