OS Process Management

Question 91

What is the name of the operating system that reads and reacts in terms of operating system?

• Batch system
• Quick response time
• real time system
• Time sharing system

Question 92

Fork is

• the creation of a new job
• the dispatching of a task
• increasing the priority of a task
• the creation of a new process

Question 93

Which of the following need not necessarily be saved on a Context Switch between processes?

• General purpose registers
• Translation look-aside buffer
• Program counter
• Stack pointer

Question 94

The performance of Round Robin algorithm depends heavily on

• size of the process
• the I/O bursts of the process
• the CPU bursts of the process
• the size of the time quantum

Question 95

Match the following:

List - I	List - II
(a) Spooling	(i) Allows several jobs in memory to improve CPU utilization
(b) Multiprogramming	(ii)Access to shared resources among geographically dispersed computers in a transparent way
(c)Time sharing	(iii) Overlapping I/O and computations
(d)Distributed computing	(iv)Allows many users to share a computer simultaneously by switching processor frequently

codes:

	(a)	(b)	(c)	(d)
(1)	(iii)	(i)	(ii)	(iv)
(2)	(iii)	(i)	(iv)	(ii)
(3)	(iv)	(iii)	(ii)	(i)
(4)	(ii)	(iii)	(iv)	(i)

• (1)
• (2)
• (3)
• (4)

Question 96

Dining Philosopher\'s problem is a:

• Producer - consumer problem
• Classical IPC problem
• Starvation problem
• Synchronization primitive

Question 97

Consider a set of n tasks with known runtimes r₁, r₂....r_n to be run on a uniprocessor machine. Which of the following processor scheduling algorithms will result in the maximum throughput?

• Round Robin
• Shortest job first
• Highest response ratio next
• first come first served

Question 98

Round Robin schedule is essentially the pre-emptive version of

• FIFO
• Shortest job first
• Shortest remaining time
• Longest remaining time

Question 99

What is the name of the technique in which the operating system of a computer executes several programs concurrently by switching back and forth between them?

• Partitioning
• Multi-tasking
• Windowing
• Paging

Question 100

A task in a blocked state

• is executable
• is running
• must still be placed in the run queues
• is waiting for some temporarily unavailable resources