Explanation:
1. Information system is a collection of people, procedures, software, hardware, and data to provide essential information to run an organization.
2. Thesaurus is a software tool used in Microsoft Word document to provide synonyms and antonyms for a selected word.
3. Computer component refers to a basic physical element that is required by the computer to function.
Interntors present an interesting kind of people who think in peculiar ways sometimes. This ability allows them to view certain situations in ways in which other people cannot. Because of this, they can think of new ways of how such situations can be tackled. This is how inventions are born. A person with an inventive mind sees a new situation where he thinks of a new solution how he could improve this situation with his invention.
This process is continued continuously with new generations of inventors seeing and coming back to old situations over and over again, inventing new things along the way.
Read and write. Think of the term "literacy rate" it refers to how much of a population can read and write.