Answer:
A: used by ISP's to filter out email SPAM
C: a way to help an individual focus on best choices when deciding what to watch or buy.
Explanation:
Collaborative filtering uses a community-based approach to filter spam. It works by collecting numerous email users from around the world. By doing this, it becomes possible for users to flag emails that are spam and those that are legitimate.
Also Collaborative Filtering is one of the most efficient techniques for building a system that can help a user when it comes to recommending best choices based on information from a large number of users.
Answer:
B
Explanation:
In an ERD, the Crow Foot Notation Symbols are used with cardinality.
Hope it helps you
Answer:
The answer to this question is "true".
Explanation:
In this question, the answer is true because The use of formatting provides changes in the data presentation, not in the data. It is also known as layout.
The layout or formatting is important for two reasons that can be given as:
1) It makes your data like a formatted data.
2) It helps to make your data more readable.
Press Windows logo key + X Key.
Click on Control Panel.
Double Click on Troubleshooting.
Click on View all option, on left hand side of the window.
Click on Search and indexing and follow the on screen instructions.
