Operating system

Read sections 4.2 and 4.3 in the course textbook "Operating System Concepts." In a Microsoft Word document, type your answers to the following questions in your own words. Make sure you type cach question right before your answer within the document file. Question 1: Define the terms concurrency and parallelism. Question 2: Write a summary of the programming challenges in a multicore system incorporating the five areas nto your summary. Question 3: Define the terms data parllism and task parallelism Question 4: Define the terms user thread and kernel thread. Question 5: Write a brief summary of each of the three multithreading models: many-to-one, one-to-one, and many-to-many