Answered: ing statements are true about the Rapid…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Which of the following statements are true about the Rapid Application Development (RAD) and the waterfall methods of the system development life cycle (SDLC) ?

1. Between RAD and the waterfall method, RAD is the older method

2. Both RAD and the waterfall method have an requirements/analysis phase

3. The waterfall method is consistent standard that always has the same five phases

4. Because the newer method is an improvement, it is the best choice for all current and future projects

5. RAD will deliver a version of the system sooner than the waterfall method

Expert Solution

Step 1

ANS-

1- In SDLC we have 8 models in each one of the eight waterfall is the older one.

2- Only waterfall model has requirement/analysis phase.

3- Waterfall model has fives phases like-

requirement/analysis phase
design phase,
unit testing,
system testing
, operation and maitenance phase.

4- More new method has been introduced so it is not best choice for future projects.

5- As RAD is newer one so it delivers fast in comparison to waterfall.

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