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Key Questions
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After you have finished this chapter, you should be able to answer the following questions.

1.1  Infotech Is Commonplace: Cellphones, Email, the Internet, & the E-World:   How does information technology facilitate email, networks, and the use of the internet and the Web; what is the meaning of the term cyberspace?
1.2  The"All-Purpose Machine": The Varieties of Computers  What are the five sizes of computers, and what are clients and servers?
1.3  Understanding Your Computer: How Can You Customize Your Own PC?  What four basic operations do all computers follow, and what are some of the devices associated with each operation? How does communications affect these operations?
1.4  Where Is Information Technology Headed?  What are three directions of computer development and three directions of communications development?





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