I. Concept Questions
1. Name the five key concepts about an operating system that you thinks a user needs to know and understand.

Answer: For me the five key concept of Operating System that a user needs to know and understand are the following.
I. How operating system works with the computer hardware.
II. How operating system handle the resource allocation and access the protection of the hardware.
III. How operating system allocates jobs in memory blocks.
IV. The importance of operating system.