Answer:
Correct answer is option B (The reason for using supertypes is to minimize the number of nulls and to minimize the likelihood of redundant relationships)
Explanation:
Entity supertype
A entity supertype is a generic entity type which is related with one or more subtypes.
Use of entity supertype:
The reason for using entity supertype is to reduce redundant relationships and it is also used to minimize the number of nulls.
Answer:
3. using upper and lowercase letters (Sentence case)
4. using a serif font
Explanation:
Readability on a website is very important for a website designer and also for the user. If a user wants content on his/her website to be read, he/she needs to do some research on what works and what doesn't. For each of the option in the question, there are guidelines to using them. for example, font size sometimes depend on the font style used: as some font style are more bigger than orders. Therefore, to get good readability on a website,font face, font size, color, sentence structure, all need to be considered before designing the website.
In applying for a license, students must take the knowledge test online or in the licensing office. However, the exams do not stop there, they also need to test the skills test or a drive test after passing the knowledge test. This is to complete their application for a driver's license.
Answer = <span>Graphical User Interface</span>
