1. What is the purpose of system calls? Are the interface for processes to interact with the kernel or operating system 2. What are the main steps for a program to be executed? 3. 4. When a program is being executed in the memory, it is called then: a) Process b) Task c) Program d) Job 5. A memory module consists of a set of locations. Each location contains a bit pattern that can be interpreted as: (Choose all that apply.) a) Instruction .