Computer Applications
Answer
Search engine works with the following two elements:
- Web Crawler — It is a software that browses the Internet in a systematic manner to retrieve documents and their web addresses. It is also called Spider, Bot or Robot.
- Indexing Software — It is a software that extracts information from the list of documents and web addresses received from the web crawler, prepares an index of it and stores in a database.
Related Questions
Assertion (A) Social Networking is the grouping of individuals into specific groups, like small rural communities or a neighbourhood sub-division.
Reason (R) Social networking is an offline service.
- Both A and R are true and R is a correct explanation of A.
- Both A and R are true but R is not a correct explanation of A.
- A is true and R is false.
- A is false and R is true.
Assertion (A) If any one wants to display content in an HTML page without any bullets or number then he/she can choose <DL> tag.
Reason (R) <DL> is a definition list that shows elements without any bullets or numbers in front of them.
- Both A and R are true and R is a correct explanation of A.
- Both A and R are true but R is not a correct explanation of A.
- A is true and R is false.
- A is false and R is true.
What do you understand by the term URL? How is it different from an email address?
What do you understand by a news group? How is it different from a blog?