RATIONALE: A decision support system (DSS) employs analytic models to help users gain insights into a problem situation, examine alternative solutions, and recommend an appropriate course of action. For example, VisualDx is a clinical decision support system that provides instant access to concise disease information and high-quality medical images.
9. Hypermedia, podcasts, and Webcasts are the techniques used in:
a. decision enabled systems.
b. product lifecycle systems.
c. transaction processing systems.
d. online learning systems.
ANS: D
RATIONALE: Online learning systems encompass a number of computer-enhanced learning techniques, including computer-based simulations, multimedia disks, Web-based learning materials, hypermedia, podcasts, and Webcasts.
10. Which of the following best describes a group information technology information system?
a. It includes information systems that improve the productivity of individual users in performing stand-alone tasks.
b. It includes information systems that organizations use to define structured interactions with external customers.
c. It includes information systems that improve communications and support collaboration among members of a project.
d. It includes information systems that organizations use to define structured interactions among their employees and suppliers.
ANS: C
RATIONALE: Group information technology includes information systems that improve communications and support collaboration among the members of a workgroup. Examples include the use of Web conferencing, wikis, and electronic corporate directories.
11. Web conferencing and electronic corporate directories are examples of:
a. personal information technologies.
b. group information technologies.
c. process information technology.
d. prototype information technology.
ANS: B
RATIONALE: Group information technology (IT) includes information systems that improve communications and support collaboration among members of a workgroup. Examples include the use of Web conferencing, wikis, and electronic corporate directories.
12. Which of the following is an example of a personal information technology system?
a. Project management software
b. Instant messaging service
c. Transaction processing system
d. Decision support system
ANS: D
RATIONALE: Personal information technology includes information systems that improve the productivity of individual users in performing stand-alone tasks. Examples include personal productivity software such as word processing, presentation, and spreadsheet software; decision support systems, and online learning systems.
13. Which of the following uses information technology to conduct meetings or presentations via the Internet?
a. Web conferencing
b. Really simple syndication feed
c. Podcast
d. Electronic bulletin board
ANS: A
RATIONALE: Web conferencing uses information technology to conduct meetings or presentations in which participants are connected via the Internet. Screen sharing is the most basic form of Web conference—each participant sees whatever is on the presenter’s screen, be it a spreadsheet, legal document, artwork, or blueprint.
14. Which of the following is the most basic form of Web conferencing?
a. Podcasting
b. Network sharing
c. Webinar
d. Screen sharing
ANS: D
RATIONALE: Web conferencing uses information technology to conduct meetings or presentations in which participants are connected via the Internet. Screen sharing is the most basic form of Web conference—each participant sees whatever is on the presenter’s screen, be it a spreadsheet, legal document, artwork, or blueprint.
15. In _____, the audio and video information is shown from the presenter to participants.
a. screen sharing
b. network sharing
c. Webcasting
d. podcasting
ANS: C
RATIONALE: Web conferencing uses information technology to conduct meetings or presentations in which participants are connected via the Internet. Another form of Web conferencing is Webcasting, in which audio and video information is broadcast from the presenter to participants.
16. Which of the following is true of a Webinar?
a. It automatically delivers to subscribers the updated posts from their favorite blogs with limited one-way communication.
b. It is a live Internet presentation that supports interactive communications between the presenter and the audience.
c. It provides a set of tools to report project status.
d. It determines the resource availability and schedule rooms for meetings over the internet.
ANS: B
RATIONALE: Web conferencing uses information technology to conduct meetings or presentations in which participants are connected via the Internet. Another type of Web conference, a Webinar, is a live Internet presentation that supports interactive communications between the presenter and the audience.