(a). Operating systems schedule processes for execution on the processor using various scheduling schemes. Compare and contrast Fist come first served scheduling scheme and Round-robin scheduling...

(a). Operating systems schedule processes for execution
on the processor using various scheduling schemes.
Compare and contrast Fist come first served
scheduling scheme and Round-robin scheduling
scheme. Give appropriate examples to illustrate your
answer.
(b). Compare and contrast the forms of interface that
operating systems provide to users of computer
systems. Give practical examples to illustrate your
answer and discuss practical limitations of each form
of interface.