6.2 Demonstrate knowledge of search logic, search engines and features of the Internet

Table of Contents

1. Introduction
   1. Boolean logic
   2. The Boolean operators
   3. Logic diagrams: the AND operator
   4. Logic Diagrams: the OR operator
   5. Logic Diagrams: the NOT operator
   6. Using multiple Boolean operators
   7. Constructing precise Boolean searches
   8. Search engine assumptions
   9. Advanced search facility
   10. Advanced searching on Yahoo
   11. Other points on Boolean searching ...
2. Truncation and wildcards
3. Grammar of the Internet
4. Search engine operation
5. Ownership of the web
6. Dark internet and the invisible web

Logic Diagrams: the NOT operator

NOT

girls NOT boys

The NOT operator excludes all records with information on boys' clothing, and the shaded area represents the records which have with information about girls' clothing only.

Let's have a look now at Using multiple Boolean operators ...