Technology in Action
Pearson/Prentice Hall, Jan 1, 2006 - Business & Economics - 649 pages
For introductory courses in computer concepts or computer literacy often including instruction in Microsoft Office.
A Computer Concepts Text Focused on Today's Student! Technology in Action engages students by combining a unique teaching approach with rich companion media.
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Microsoft Disk Operating System (MS-DOS) is another example of a single-user,
single-task operating system. DOS was the first widely installed operating system
in personal computers. Compared to the operating systems we are familiar with ...
FIGURE 10.11 (a) In this figure, top- down design is applied to the highest level of
task in our parking garage example, (b) Here, the tasks are further refined into
subtasks. (c) Finally, the subtasks are refined into a sequence of instructions, ...
For example, when you send an e-mail, the application layer takes the e-mail
message you created in Microsoft Outlook, translates it into a format your network
can understand, and passes it to the presentation layer. Presentation Layer • The
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Understanding the Parts
Technology in Focus
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