Question 1

What distinguishes one type of mobile computer from another is its battery life.

Accepted Answer

Battery life is one factor that distinguishes mobile computers from one another, but other factors such as processing power, operating system, and form factor (e.g. laptop vs tablet) also differentiate one type of mobile computer from another.

Question 2

A laptop or notebook computer can become wireless with the addition of a cellular chip.

Accepted Answer

False

Question 3

When mobile users want to access the Internet,the usability of the site is critical to achieve the purpose of the visit and to increase user stickiness.

Accepted Answer

Usability of a website is important for both desktop and mobile users, but it is especially critical for mobile users who are accessing websites on smaller screens and on-the-go. A website that is difficult to navigate or read on a mobile device is likely to frustrate users and result in a high bounce rate. Ensuring a mobile-friendly and user-friendly website can help to boost user engagement and retention.

Question 4

A wireless wide area network (WWAN)offers the broadest wireless coverage and relies on the same network technologies as cell phones.

Accepted Answer

WWAN relies on cellular network technologies, which are the same as those used in cell phones, and provides wide coverage areas.

Question 5

The widespread appearance of mobile devices in society has led to the need for cell phone etiquette,the creation of cell free zones in hospitals and airport lounges,and National Cell Phone Courtesy Month.

Accepted Answer

The statement is true. The increased use of mobile devices has introduced the need for proper cell phone etiquette in public places like hospitals and airport lounges, as well as the creation of cell-free zones. Additionally, July is recognized as National Cell Phone Courtesy Month in the United States.

Question 6

The U.S.supermarket chain Food Lion sought an advantage against low-price competitors by providing a high-level of convenience for shoppers.

Accepted Answer

The statement is true. Food Lion focused on offering convenience to attract shoppers and differentiate itself from low-price competitors.

Question 7

The highest level of voice support services is a voice portal,which is a Web site with an audio interface that can be accessed through a telephone call.

Accepted Answer

A voice portal is a Web site with an audio interface that can be accessed through a telephone call, and is considered the highest level of voice support services.

Question 8

Using wireless technologies,one can create EC applications that are not available with wireline systems.

Accepted Answer

Wireless technologies provide flexibility and mobility, allowing for new and innovative EC applications such as location-based services and mobile payments that are not possible with wireline systems.

Question 9

An m-commerce security challenge unique to mobile computing is the open-air transmission of signals across multiple networks that opens up opportunities for interception.

Accepted Answer

Mobile computing involves the transmission of signals through multiple networks, making it susceptible to interception. This is a unique security challenge that is not typically faced in traditional e-commerce settings.

Question 10

Multimedia messaging service (MMS)is the emerging generation of wireless messaging,delivering rich media,including video and audio,to mobile phones and other devices.

Accepted Answer

Multimedia messaging service (MMS) does deliver rich media, including video and audio, to mobile phones and other devices.

Question 11

PDAs,smartphones,Internet appliances,and multimedia players appear to be converging toward the same endpoint,which is a small-footprint,handheld mobile device that combines all the capabilities of these devices in one package.

Accepted Answer

This statement is true. There is a trend toward combining the features and functionalities of different handheld devices into one mobile device. This convergence is driven by advancements in technology and consumer demand for convenience and versatility in their mobile devices.

Question 12

The infrastructure to support mobile commerce is inexpensive and relatively simple to put in place.

Accepted Answer

The infrastructure for mobile commerce can be complex and costly, involving secure payment systems, mobile-friendly websites or apps, and reliable network connectivity.

Question 13

Common standards for various mobile devices simplify the development of software applications for wireless devices.

Accepted Answer

The answer of Common standards for various mobile devices simplify...

Question 14

Wi-Fi is a set of telecommunications standards that enables wireless devices to communicate with each other over short distances,but which suffers from interference and security problems.

Accepted Answer

The answer of Wi-Fi is a set of telecommunications standards...

Question 15

Mobile computing refers to a computing paradigm designed for workers who travel outside the boundaries of their organizations or for anyone on the move.

Accepted Answer

Mobile computing is indeed designed for workers who are on the move, such as those who travel for work or who work remotely outside of the traditional office environment.

Question 16

Several key ethical issues in m-commerce include isolation,loss of privacy,and potential health damage from cellular radio frequency emissions.

Accepted Answer

M-commerce, or mobile commerce, poses several ethical issues, including the potential for users to experience isolation due to increased reliance on technology and decreased face-to-face interaction. Additionally, the use of mobile devices may compromise users' privacy, as data can be easily intercepted or misused. Finally, there are concerns about the potential health risks associated with prolonged use of mobile devices, including exposure to radio frequency emissions.

Question 17

Expansion of PayPal services into mobile remote payment services will facilitate a shift in global consumer payment services now and into the future.

Accepted Answer

PayPal's expansion into mobile remote payment services allows for more convenient and secure payment options for consumers, which can drive a shift in consumer payment behavior globally. This trend is likely to continue into the future as more people embrace mobile payments.

Question 18

Short message service (SMS),or texting,is a service that supports the transmittal of long text messages (up to 360 characters)between mobile phones on a cellular telephone network.

Accepted Answer

SMS typically supports the transmission of short text messages up to 160 characters, not 360 characters.

Question 19

A Web server may need two versions of the same Web paga normal page with full graphics for desktop computers and a mobile page for PDAs and smartphones and a way to distinguish between devices requesting the Web page.

Accepted Answer

This statement is true. A web server may require different versions of the same web page for different devices, and it needs to be able to detect and distinguish between the devices making the request in order to serve the appropriate version of the page.

Question 20

WiMax is an IEEE 802.16 wireless standard for making broadband network access widely available for data and voice over a medium-sized area.

Accepted Answer

WiMax is indeed an IEEE 802.16 wireless standard designed to provide broad coverage for data and voice services over a medium-sized area.

Quiz 8: Mobile Computing and Commerce,and Pervasive Computing