Question

Difference type of searching tequnice for a documnet

Answer 1

Information retrieval is one of the most important applications of computers. It usually involves giving a piece of information called the key, and ask to find a record that contains other associated information. This is achieved by first going through the list to find if the given key exists or not, a process called searching. Computer systems are often used to store large amounts of data from which individual records must be retrieved according to some search criterion. The process of searching for an item in a data structure can be quit straightforward or very complex.
Searching can be done on internal data structures or on external data structures. Information retrieval in the required format is the central activity in all computer applications. This involves searching. This block deals with searching techniques. Searching methods are designed to take advantage of the file organisation and optimize the search for a particular record or to establish its absence.