University of Tabuk College of Computer and Information Technology CSC 410: Operating Systems Summer Semester 2017- 20181 1437-1438 Title: Homework # 2 (Covers chapter 2). Due Data: Thursday, 19/7/2018 (Submitted it in the class time). Emailed homework will not be accepted no matter the reasons! Question 1 Operating-system services provides functions that are helptul to the user. List all of these functionalities and explain any four functionalities in details. Question 2 What is system calls? Question 3 Explain implementation of system call and draw the relationship between APL, System Call, and OS Question 4 What are the types of system calls Question 5 What is the purpose of system programs