What is the typical difference between manual search and computerized search?

Manual search It is a traditional search method, that is, a search means of retrieving information by manually flipping through and using tools (including books, periodicals, catalog cards, etc.). \x0d\\\x0d\\ manual search is relatively simple, flexible and easy to master. However, manual retrieval is time-consuming and laborious, especially for thematic and retrospective retrieval, which requires going through a large number of retrieval tools to query repeatedly, spending a lot of manpower and time, and it is easy to cause misdetection and omission. \x0d\\\\\x0d\\computer retrieval Refers to the process by which people retrieve the required information from the database of a computerized retrieval system using specific search commands, search terms and search strategies on a computer or a terminal of a computerized retrieval network, followed by a terminal device to display or print it. \x0d\\\x0d\ (1) easy and fast retrieval; (2) powerful retrieval functions; (3) access to many types of information; (4) a wide range of retrieval.