New PDF release: Instructor's Manual to Accompany: Operating System Concepts

By Abraham Silberschatz

Show description

Read or Download Instructor's Manual to Accompany: Operating System Concepts PDF

Best operating systems books

Read e-book online Solaris Performance and Tools: Dtrace and Mdb Techniques for PDF

In overall, the 2 books Solaris functionality and instruments & Solaris Internals reviewed right here current a brand new point of data concerning the internals of Solaris, what they do, how they behave, and the way to investigate that habit. The books are a needs to for builders, procedure programmers, and structures directors who paintings with Solaris eight, nine, or 10.

New PDF release: The tomes of Kylix--the Linux API

From its uncomplicated beginnings, Linux has emerged as a strong server working method with a outstanding machine atmosphere and person interface. Now, with Kylix, Linux builders have a strong quick software improvement instrument for producing client-side functions. The Tomes of Kylix: The Linux API publications builders during the primary Linux method functionality calls and programming interfaces, overlaying the middle points of Linux improvement from dossier processing and interprocess verbal exchange to threading concerns and sockets.

Bob LeVitus's Mac OS X Lion for Dummies PDF

The bestselling Mac consultant, up to date for the most recent Mac OS X and now in complete colour! Mac OS X Lion represents a brand new period within the Mac working process. This pleasant advisor is totally up-to-date for the most recent Mac OS X and offers every thing new Mac clients and clients upgrading to Mac OS X Lion want to know. A bestseller in earlier versions, Mac OS X Lion For Dummies covers the entire cool stuff and prepares you for the quirks.

Extra info for Instructor's Manual to Accompany: Operating System Concepts

Example text

12 Demonstrate that monitors and semaphores are equivalent insofar as they can be used to implement the same types of synchronization problems. wait(); value--; } } A monitor could be implemented using a semaphore in the following manner. Each condition variable is represented by a queue of threads waiting for the condition. Each thread has a semaphore associated with its queue entry. When a thread performs a wait operation, it creates a new semaphore (initialized to zero), appends the semaphore to the queue associated with the condition variable, and performs a blocking semaphore decrement operation on the newly created semaphore.

It could use a large fraction of its assigned quantum, but relinquish the CPU before the end of the quantum, thereby increasing the priority associated with the process. 9 Consider a preemptive priority scheduling algorithm based on dynamically changing priorities. Larger priority numbers imply higher priority. When a process is waiting for the CPU (in the ready queue, but not running), its priority changes at a rate ␣; when it is running, its priority changes at a rate ␤. All processes are given a priority of 0 when they enter the ready queue.

Such a scheduling policy could however starve long-running tasks and thereby increase their waiting time. • I/O device utilization and CPU utilization: CPU utilization is maximized by running long-running CPU-bound tasks without performing context switches. I/O device utilization is maximized by scheduling I/O-bound jobs as soon as they become ready to run, thereby incurring the overheads of context switches. 3 Consider the exponential average formula used to predict the length of the next CPU burst.

Download PDF sample

Instructor's Manual to Accompany: Operating System Concepts by Abraham Silberschatz

by John

Rated 4.15 of 5 – based on 28 votes