Author Question: The information system life cycle can be divided into four phases that cover the life span of ... (Read 190 times)

lb_gilbert · **on:** Jul 7, 2018

The information system life cycle can be divided into four phases that cover the life span of information systems. Which of the following answers best describes the end of the relationship?

1. There is no end to the life cycle.
2. The life cycle ends with implementation.
3. The life cycle ends with evaluation.
4. The life cycle ends with assessment.

Question 2

Which of the following is a disadvantage of desktop videoconferencing (DTV) for telehealth?

1. DTV may not support high-resolution, high-speed transmissions.
2. DTV requires a personal computer with a modem to function.
3. DTV uses real-time synchronous encounters for face-to-face meetings.
4. DTV is more expensive than most videoconferencing systems.

k2629 · **Reply #1 on:** Jul 7, 2018

Answer to Question 1

1
Rationale: The system life cycle can be divided into four phases that cover the life span of information systems. The relationship between these phases is circular in nature, because needs assessment and evaluation are ongoing processes.

Answer to Question 2

1
Rationale: DTV may not support high-resolution, high-speed transmissions needed to transmit accurate assessments for telehealth. However, DTV is less expensive, can support face-to-face (F2F) meetings in real time, and can be used with a personal computer and modem.