(Please write down the detailed answer, thank you)

Considering the information presented in the chapter as well as the lecture, provide your thoughts on the following conceptual questions. For each concept you are asked to explain, answer in approximately 1-2 sentences. Examples should be brief, approximately 4-5 sentences.

1, What are static scope rules and dynamic scope rules for a variable? Explain difference between them using an example.

2,Explain different addressing mechanisms. Give an example of an instruction to show the efficiency of addressing mechanisms.