24-11-2012, 05:46 PM
WEB Homework
WEB Homewor.doc (Size: 72.5 KB / Downloads: 27)
Q1. What are the various components of a search engine? What steps need to be followed to get good search results?
Answer:
Search engine is a tool used for searching the information on the internet. It is software that is used to gather a scattered data and information from a very large database system. Search engine programs search data for specified keywords and returns a list of the documents where the keyword were found. The main purpose of the search engine is to provide the relevant data or information available on the internet to the user. Some of the well-known search engines are: Google, yahoo search, Bing, MSN search, Ask, and AOL search. These search engines are designed for searching web pages, documents and images. These search engines uses a hundreds of thousands of millions of computers to process billions of trillions of web pages in order to get the desired result by the users.
Components of search engine:
1. Collection
2. Database: When using a search engine, you are actually searching the database, not "the Internet".
3. Search interface
4. Query processor
5. Analyzer
6. Indexer
Steps need to be followed to get good search results are:
SEO is something that helps a website to increase it’s ranking in a search engine.
Steps for good search result:-
1) The Internet Is Not Always the Best Place to Start
2) When Using Search Engines, Always Use More Than One
3) When Looking at Search Results, Dig Deep!
4) Think Before You Search!
5) Use Special Search Functions to Make the Search Engines Work for You
6) Don’t Believe Everything You Read!
7) Are You Looking at Primary Sources? Why Not?
8) Who Created the Web Site and Writes its Article?
9) Why Did They Write This?
10) When Was the Information Written or Last Revised?
Q2. What is the purpose of using FTP? Differentiate between FTP and TELNET? Also compare UDP and TCP/IP.
Answer:
File Transfer protocol (FTP) is the protocol used to transfer files between two computers on a TCP/IP network. File Transfer Protocol known as FTP in short enables the internet users to move a file from one computer to another on the internet. A file to be transfer may contain any type of information like text document, artwork, movie, sound, software etc. Moving a file from a remote computer to one ones computer is known as downloading the file, and moving the file from ones own computer to another remote computer is known as downloading the file.
The various purpose of using FTP are given below:
• File Transfer Protocol (FTP) is used for transferring files between an FTP client and an FTP server.
• File Transfer Protocol (FTP) is a network protocol used to transfer data from one computer to another through a network such as the Internet.
• FTP allows us transfer files from one computer to another.
• Fast shareware and freeware download...
• FTP is the most widely used form of file transfer used to upload WebPages to the internet
• It can be used to upload photos to a personal site, or to upload music from computer to the internet.
• FTP service is also used for more secure file transfer operations. In such cases, a user needs a valid username and password to access a particular computer.