The answers should be very well explained and enough to support your answers.

Explain in detail the boot process in a computer.

What are system calls and why are they used in an operating system?

Provide $5$ system calls for Unix$/$Linux and Windows.

What is the second major component in any computer? Ideally what are the attributes that this component should have. What is the typical access time of this component.

Provide $2$ system calls for process, file, directory and file management and other miscellaneous system calls.