Describe the 4 steps involved in the development phase of an Information Systems development project. Distinguish between parallel installation/changeover approach and phased installation/changeover approach. Distinguish between unit testing and integration testing. Give appropriate examples to illustrate your answer. Distinguish between preventive maintenance and perfective maintenance in the context of an information system project. Amarillo Video Store is planning a promotional give-away for its long-standing customers. If the customer has been a member for 18 months or more he/she will receive a coupon booklet allowing him/her to hire 4 movies for free. If during that same 18 months he/she has hired at least 12 videos, he/she will receive an additional 3 free movie hire vouchers. If the customer’s membership is less than 18 months and he/she has hired at least 12 videos then he/she will receive 2 free movie hire vouchers. All members will receive a Thank You letter and “Yentia Obiaa” music video.

Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter9: Database Design
Section: Chapter Questions
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  1. Describe the 4 steps involved in the development phase of an Information Systems development project.
  2. Distinguish between parallel installation/changeover approach and phased installation/changeover approach.
  3. Distinguish between unit testing and integration testing. Give appropriate examples to illustrate your answer.
  4. Distinguish between preventive maintenance and perfective maintenance in the context of an information system project.
  5. Amarillo Video Store is planning a promotional give-away for its long-standing customers. If the customer has been a member for 18 months or more he/she will receive a coupon booklet allowing him/her to hire 4 movies for free. If during that same 18 months he/she has hired at least 12 videos, he/she will receive an additional 3 free movie hire vouchers. If the customer’s membership is less than 18 months and he/she has hired at least 12 videos then he/she will receive 2 free movie hire vouchers. All members will receive a Thank You letter and “Yentia Obiaa” music video.

      Construct a Decision Tree for the above scenario.

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