Question 26 (1 point)

The 3rd generation of computers featured this OS type.

Question 26 options:

	Desktop OS
	Distributed computing OS
	Interactive multi-user OS
	Batch OS

Question 27 (1 point)

____________ refers to the ability of an OS to support multiple, concurrent paths of execution within a single process.

Question 27 options:

	Multiprocessing
	Multithreading
	Multiprogramming
	Multitasking

Question 28 (1 point)

Which of the following is shared by all threads of a multithreaded program?

Question 28 options:

	code
	heap
	register values
	stack
	all of the above

Question 29 (1 point)

Measurement of a round-robin scheduling experiment has set the average process runtime for R ns before blocking for an I/O. The time quantum is set as Q ns which is equal to the context switch time. Which of the following expresses the CPU efficiency obtained in the experiment?

Question 29 options:

	R/(R*Q + 1)
	(R*Q)/(R + R/Q)
	R/(R + R/Q)
	1/2
	R/(R + Q)
	R/2

Question 30 (1 point)

Which of the following is NOT an OS's responsibility?

Question 30 options:

	Separation of privileges
	Program optimization
	Interfacing with hardware
	Optimized resource utilization