Advantage-allows builders to go back and forth among stages Disadvantage-time consuming and expensive -prototyping- Usually inexpensive and fast for testing purposes. These will usually be inadequate for actual production purposes. This is due to fast development and lack of testing. Advantage- useful in designing system’s user interface Disadvantage-rapid prototyping may gloss over essential steps in systems development, such as testing and documentation -Application software packages- Usually a cheap and easy alternative if you can not afford or find a software developer. However in the long run may become costly if needing to be updated regularly Advantage- saves time and money from using pre-written, predesigned, and pretested software programs, where many of the packages include options for customization to meet an organization specific requirements
Disadvantages- expensive and time consuming if extensive customization, additional programming, and customization are required -Outsourcing-Using an external vendor to create or buy an already created software. 7.Where are the average purchases higher? a. Average purchases are highest in the West region and the second highest is the South region. The answers to this may tell managers where to focus marketing and sales or pitch different messages to different regions What form of payment is the most common? b. The most common form of payment is credit is $12,692.94 in sales. This answer is used to emphasize in advertising the most preferred means of payment. Are there any times of day when purchases are most common? Do people buy products while at work (likely during the day) or at home (likely in the evening)? c. The times of the day when purchases are most common are 8pm, 4pm, and 9am in that order. People buy products while they are home in the evening or slightly after their work day is completed based on the information. What’s the relationship among region, type or product purchased, and the average sales price? d. Books and online products are purchased the most in the western region with $6065.43 in sales on books and $1968.41 in sales online products. In terms of the lowest sales in books, the north has the least amount of sales in $2148.10 and for online purchases the southern region has the least amount of sales at $831.45.
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