1. What is the the difference between authentication and authorization? Give Examples.
- An authentication system is to verify that the user is really who they are. For example, Password Based Authentication that requires the user to know a password.
- An authorization system is how the system decides what the user can do. For example, the difference between a normal user and the superuser on a unix system.
2. What does the operating system do?
- It manages the hardware and software resources of the system.
- It provides a good way for applications to deal with hardware without it being required to know the details of the hardware.
3. What is the difference between utility programs and device drivers?
A device driver is a small program that tells the operating system how to communicate with a device. A utility program help to control computer resources, such as protecting your computer from viruses.
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