Question

Indicate whether the statement is true or false

Answer 1

FALSE

Answer 2

<p>Advantages:</p><br /><ul><br /><li>Cost savings</li><br /><li>Widens circle of trading partners</li><br /><li>Streamlines buying process</li><br /></ul><br /><p>Disadvantages</p><br /><ul><br /><li>Reverse auctions should be used in situations where relationships are not important</li><br /><li>Suppliers will not be able to meet the same level of cost savings over time</li><br /></ul><br /><p>Training issues</p>

Answer 3

Decision making is a process of choosing among two or more alternative courses of action for the purpose of attaining one or more goals.

Answer 4

TRUE

Answer 5

Information systems at the operational level are designed to automate repetitive activities, such as sales transaction processing, and to improve the efficiency of business processes at the customer interface.

Information systems at the strategic level are used to obtain aggregate summaries of trends and projections of the future. At the executive level, information systems provide KPIs that are focused on balancing performance across the organization.

Answer 6

B
Explanation: B) Testing software begins earlier (systems analysis) in the systems development life cycle, even though many of the actual testing activities are carried out during implementation.
CL

Answer 7

TRUE

Answer 8

TRUE

Answer 9

B

Answer 10

TRUE

Answer 11

B

Answer 12

TRUE

Answer 13

D

Answer 14

T

Answer 15

Online antivirus scanners are important if you are infected with a virus that disabled your existing antivirus software and prevents you from loading any other software. An online scanner could provide you with another method of detecting and quarantining the virus.

Answer 16

D

Answer 17

D

Answer 18

A

Answer 19

D

Answer 20

B

Answer 21

FALSE

Answer 22

C

Answer 23

A

Answer 24

B

Answer 25

Voice-over-Internet Protocol (VoIP) is a data service that is used to carry voice communications. VoIP promises to provide voice-level services at a significant cost savings. Traditional voice communications use time-division multiplexing (TDM) with Private Branch Exchange (PBX) hardware. A PBX functions like a physically isolated network through which all enterprise voice communications pass. PBX offers a high level of security. VoIP allows voice and data to be transported over the same networking infrastructure, which is a strong advantage. An organization considering VoIP needs to know its current, and future, voice bandwidth requirements.

Answer 26

B
Explanation: B) Figure 1-3 shows that tools, techniques and methodologies are central to software engineering processes.

Answer 27

FALSE

Answer 28

C

Answer 29

Michael Porter includes four business activities in his definition of support activities. These include:
• Procurement: managing supplier relationships and buying the product inputs.
• Technology management: product research and development and new procedures, methods and techniques.
• Human resources management: managing employee resources.
• Firm infrastructure management: general management of the firm, finance, accounting, legal services, and government affairs.

Answer 30

A

Answer 31

D

Answer 32

C

Answer 33

FALSE

Answer 34

A

Answer 35

D

Answer 36

B

Answer 37

C

Answer 38

TRUE

Answer 39

TRUE

Answer 40

FALSE

Answer 41

TRUE

Answer 42

A

Answer 43

FALSE

Answer 44

A

Answer 45

Most organizations find it beneficial to use a standard set of steps, called a systems development methodology, to develop and support their information systems. Like many processes, the development of information systems often follows a life cycle. For example, a commercial product follows a life cycle in that it is created, tested, and introduced to the market. Its sales increase, peak, and decline. Finally, the product is removed from the market and replaced by something else.

Answer 46

The drive to improve search results gets so heated that some unscrupulous developers launch devious strategies to outwit the engine's ranking system. For example, one technique to build valuable external links is to look for guest books on authoritative sites whose votes would be particularly valuable, such as those in the .gov or .edu domains, and then include a link to the scammer's site in an area that lets any visitor add comments. Scammers also build giant link farms out of servers whose only purpose is to increase the number of external links. Such techniques draw the ire of the search engine developers and often result in penalties or outright bans.
Some scammers aim to get a competitor's site banned, or at least move its site lower in the results. They can inject code onto a competitor's site that repeats the same keyword over and over in a header, which spiders can easily spot and penalize as an unacceptable trick to make the page seem extremely relevant. Scammers might also invite raunchy adult-oriented or gambling sites to add links to the competitor, which can result in penalties and lower ranking.

Answer 47

TRUE