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154 Chapter 4 Hardware, Software, and Mobile Systems

aCtIve revIew

Use this Active Review to verify that you understand the ideas explain the difference between object-oriented languages
and concepts that answer the chapter’s study questions. and scripting languages. Explain each cell of Figure 4-17.
State which is better: native or Web applications. Justify your
Q1 What do business professionals need answer.
to know about computer hardware?
Q6 Why are mobile systems increasingly
List types of hardware and give an example of each. Define
bit and byte. Explain why bits are used to represent computer important?
data. Define the units of bytes used to size memory.
Define mobile systems. Name and describe the four elements
of a mobile system. Describe the size of the mobile mar-
Q2 How can new hardware affect ket and explain why there are 3.9 billion mobile prospects.
competitive strategies? Explain why the mobile market will become stronger in the

Define IoT and describe a smart device. Explain why smart de- future. Explain why a problem for one organization is an op-
vices are desirable. Give two examples of how businesses could portunity for another. Using the five-component model, de-
benefit from smart devices. Describe how self-driving cars scribe particular opportunities for each component. Define
could be safer and cheaper and make life easier. Explain how just-in-time data and explain how it changes the value of
3D printing works and how it could affect new product design, human thinking.
manufacturing, distribution, and consumer purchasing.
Q7 What are the challenges of personal
Q3 What do business professionals need mobile devices at work?
to know about software?
Summarize the advantages and disadvantages of employees’
Review Figure 4-10 and explain the meaning of each cell in using mobile systems at work. Define BYOD and BYOD policy.
this table. Describe three kinds of virtualization and explain Name six possible policies and compare them in terms of func-
the use of each. Explain the difference between software own- tionality and organizational control. Summarize the advantage
ership and software licenses. Explain the differences among of each to employers.
horizontal-market, vertical-market, and one-of-a-kind ap-
plications. Describe the three ways that organizations can Q8 2025?
acquire software.
Explain how email usage has changed over the past 15 years.
Q4 Is open source software a viable Describe how an anticipatory system might work. Explain how
alternative? advances in hardware and software might change the types of
jobs you take in the future.
Define GNU and GPL. Name three successful open source
projects. Describe four reasons programmers contribute to
open source projects. Define open source, closed source, source using Your Knowledge
code, and machine code. In your own words, explain why open with allroad parts
source is a legitimate alternative but may or may not be appro- Suppose you are part of this AllRoad Parts team. Briefly sum-
priate for a given application.
marize how the knowledge in this chapter would help you con-
Q5 What are the differences between tribute. Explain why AllRoad Parts decides not to manufacture
with 3D printing. Summarize what it does plan to sell and the
native and Web applications? challenges of doing so.
In your own words, summarize the differences between na-
tive applications and Web applications. In high-level terms,