Answers to questions regarding mandatory assignment 1

Hey, I've received some questions regarding the mandatory assignment, and I advice the students to skim-read both
https://en.wikipedia.org/wiki/Barrier_(computer_science) ,regarding the first assignment and,
https://en.wikipedia.org/wiki/Semaphore_(programming) 
,for the second assignment, I will go through the concepts on the whiteboard on Wednesday first 15 minutes.

- S?lve