Slide 3-1 Copyright © 2003 Pearson Education, Inc. Figure: Computer Science an overview EDITION 7...

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Figure:

Computer Sciencean overview

EDITION 7

J. Glenn Brookshear

C H A P T E R 3

Operating Systemsand Networks

Figure 3.1: Batch processing

Figure 3.2: Interactive processing

Figure 3.3: Software classification

Figure 3.4: The shell as an interface between users and the operating system

Figure 3.5: The booting process

Figure 3.6: Time-sharing between process A and process B

Figure 3.7: The client/server model

Figure 3.8: Identical communication structure between clients and servers operating on the same machine and distributed among different machines

Figure 3.9: A deadlock resulting from competition for nonshareable railroad intersections

Figure 3.10: Network topologies (continued)

Figure 3.10: Network topologies

Figure 3.11: The distinction between a bridge and a router

Figure 3.12: A typical approach to connecting to the Internet

Figure 3.13: A typical URL

Figure 3.14: A simple Web page expressed in HTML

Figure 3.15: Communication over a ring network

Figure 3.16: Communication over a bus network

Figure 3.17: Package-shipping example

Figure 3.18: The Internet software layers

Figure 3.19: Following a message through the Internet (continued)

Figure 3.19: Following a message through the Internet

Figure 3.20: Choosing between TCP and UDP

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