Chapter 3 Hardware Software and Networks Copyright

Chapter 3 Hardware, Software, and Networks Copyright © 2015 Pearson Education, Inc. 3 -1

Learning Objectives Q 1. What do business professionals need to know about computer hardware? Q 2. What do business professionals need to know about software? Q 3. What are the differences between native and thin-client applications? Q 4. What characterizes quality mobile user experiences? Copyright © 2015 Pearson Education, Inc. 3 -2

Learning Objectives Q 5. What do business professionals need to know about data communications? Q 6. What happens on a typical Web server? Q 7. Why is the cloud the future of most organizations? Copyright © 2015 Pearson Education, Inc. 3 -3

What Do Business Professionals Need to Know About Computer Hardware? • Hardware Components – Central processing unit (CPU) – Random access memory (RAM) – Storage hardware Copyright © 2015 Pearson Education, Inc. 3 -4

What Do Business Professionals Need to Know About Computer Hardware? • Types of Hardware Copyright © 2015 Pearson Education, Inc. 3 -5

What Do Business Professionals Need to Know About Computer Hardware? • Computer data – Computer data sizes Copyright © 2015 Pearson Education, Inc. 3 -6

What Do Business Professionals Need to Know About Computer Hardware? • Computer data – Specifying hardware with computer data sizes • Hertz • 32 -bit/64 -bit • Memory Copyright © 2015 Pearson Education, Inc. 3 -7

What Do Business Professionals Need to Know About Computer Hardware? • Operating Systems (OS) – Non-mobile client operating systems – Mobile client operating systems – Server operating systems Copyright © 2015 Pearson Education, Inc. 3 -8

What Do Business Professionals Need to Know About Computer Hardware? • Virtualization – PC virtualization – Server virtualization – Desktop virtualization Copyright © 2015 Pearson Education, Inc. 3 -9

What Do Business Professionals Need to Know About Computer Hardware? • Own versus License • What Types of Applications Exist, and How Do Organizations Obtain Them? Copyright © 2015 Pearson Education, Inc. 3 -10

What Do Business Professionals Need to Know About Computer Hardware? • What is Firmware? • Is Open Source a Viable Alternative? – Source code Copyright © 2015 Pearson Education, Inc. 3 -11

What Do Business Professionals Need to Know About Computer Hardware? • Operating Systems • Application Programs • Open Source Copyright © 2015 Pearson Education, Inc. 3 -12

What Are the Differences Between Native and Thin-Client Applications? • Native Applications • Thin-client Applications Copyright © 2015 Pearson Education, Inc. 3 -13

What Are the Differences Between Native and Thin-Client Applications? Copyright © 2015 Pearson Education, Inc. 3 -14

What Characterizes Quality Mobile User Experiences? • User Interface (UI) • User Experience (UX) Copyright © 2015 Pearson Education, Inc. 3 -15

What Characterizes Quality Mobile User Experiences? Copyright © 2015 Pearson Education, Inc. 3 -16

What Do Business Professionals Need to Know about Data Communications? • What are the Components of a LAN? – Small office/Home office (SOHO LAN) – Wired connectivity – Wireless connections Copyright © 2015 Pearson Education, Inc. 3 -17

What Do Business Professionals Need to Know about Data Communications? • What are the Components of a LAN? – LAN protocols • Institute for Electronic and Electrical Engineers (IEEE) • IEEE 802. 3 (wired Ethernet) • IEEE 802. 11 (wireless) • Bluetooth Copyright © 2015 Pearson Education, Inc. 3 -18

What Do Business Professionals Need to Know about Data Communications? • How Can You Connect Your LAN to the Internet? – Internet Service Provider (ISP) – Digital Subscriber Line (DSL) – Cable – Wireless Copyright © 2015 Pearson Education, Inc. 3 -19

What Do Business Professionals Need to Know about Data Communications? Copyright © 2015 Pearson Education, Inc. 3 -20

What Do Business Professionals Need to Know about Data Communications? • Internet’s network of networks • Consists of tens of thousands of LANs and WANs Copyright © 2015 Pearson Education, Inc. 3 -21

What Do Business Professionals Need to Know about Data Communications? • • • TCP/IP architecture Hypertext transport protocol (http) Simple main transfer protocol (smtp) File transfer protocol (ftp) Uniform resource locator (URL) Copyright © 2015 Pearson Education, Inc. 3 -22

What Do Business Professionals Need to Know about the Internet? • Internet’s network of networks • Consists of tens of thousands of LANs and WANs • TCP/IP architecture • Application layer protocols • TCP and IP protocols • IP addressing Copyright © 2015 Pearson Education, Inc. 3 -23

What Processing Occurs on a Typical Web Server? • Web storefront • Three-Tiered architecture • Hyper Text Markup Language (HTML) Copyright © 2015 Pearson Education, Inc. 3 -24

What Processing Occurs on a Typical Web Server? • Web storefront – Server on the Web from which you can buy products Copyright © 2015 Pearson Education, Inc. 3 -25

What Processing Occurs on a Typical Web Server? • Three-Tiered architecture – User tier – Server tier • Web page • Web farm – Database tier Copyright © 2015 Pearson Education, Inc. 3 -26

What Processing Occurs on a Typical Web Server? • Hyper Text Markup Language (HTML) – HTML tags <> – Hyperlinks (href) Copyright © 2015 Pearson Education, Inc. 3 -27

What Processing Occurs on a Typical Web Server? • Web storefront • Three-Tiered architecture • Hyper Text Markup Language (HTML) Copyright © 2015 Pearson Education, Inc. 3 -28

Why Is the Cloud the Future for Most Organizations? • Cloud – Elastic – Pooled – Internet Copyright © 2015 Pearson Education, Inc. 3 -29

Why Is the Cloud the Future for Most Organizations? Copyright © 2015 Pearson Education, Inc. 3 -30

Why Is the Cloud the Future for Most Organizations? • Cloud – Why now? – Types of Clouds Copyright © 2015 Pearson Education, Inc. 3 -31

Ethics Guide • Showrooming: The Consequences – Do you showroom? – Discussion Questions Copyright © 2015 Pearson Education, Inc. 3 -32

Conclusion Q 1. What do business professionals need to know about computer hardware? Q 2. What do business professionals need to know about software? Q 3. What are the differences between native and thin-client applications? Q 4. What characterizes quality mobile user experiences? Copyright © 2015 Pearson Education, Inc. 3 -33

Conclusion Q 5. What do business professionals need to know about data communications? Q 6. What happens on a typical Web server? Q 7. Why is the cloud the future of most organizations? Copyright © 2015 Pearson Education, Inc. 3 -34

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