Computer Science: An Overview
Now in its eighth edition, this book continues to provide a comprehensive, accessible, and up-to-date introduction to the dynamic field of computer science using a breadth-first approach. The table of contents and the text itself have been revised and expanded to reflect changes in the field, including the trend toward using Web and Internet Technology, the evolution of Objects, and the important growth in the field of databases. Specifically, chapter three from the previous edition has been expanded into two chapters. Chapter three will now only cover Operating Systems and the new chapter four will focus on Networks and the Internet. Anyone interested in gaining a thorough introduction to Computer Science.
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However, without time-sharing a computer system spends much of its time
waiting for peripheral devices to complete tasks or for a user to make the next
request. Time-sharing allows this lost time to be given to another process. For
example, if ...
Semaphores Consider a time-sharing operating system controlling the activities
of a machine with a single printer. If a process needs to print its results, it must
request that the operating system give it access to the printer's device driver.
Each process may then repeatedly acquire the resource, release it, and later
request it again. What is a drawback to controlling access to the resource in the
following manner: Begin by assigning a flag the value 0. If process A requests the
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LibraryThing ReviewUser Review - readafew - LibraryThing
This book was assigned reading for the opening class to my MSIT. I found it a great refresher for a large part of my original CS degree. It is well put together and fairly easy to read. Lots of useful ... Read full review
LibraryThing ReviewUser Review - geekcowboy - LibraryThing
Great book to introduce the theory and practical concepts of computer science. Read full review
Data Abstractions 319
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