LIBRARY INFORMATION SYSTEM (LIS)

The Lend Text functions allow the LIS user to register information about the texfs lending in the Lend logical file. Data stored and maintained in Lend are: ISBN code, enroll code, lend date, due date, return date.

LIS maintains information about the Distributors from whom the library orders books, magazines and other publications. Account number, distributor name and 10 other logical pieces of information are maintained.

Library Branch data is stored in LIS and is maintainable by the library staff. Information Is maintained on 10 branches. Data maintained includes branch id, branch name, location, directions, hours of operation, and 17 other logical pieces of information.

Purchase Wish List logical file is maintained by LIS. Employees enter books, magazines, video recordings, audio recordings and personal computer software that they believe the library patrons would be interested in borrowing. This list is used as a source when making purchase decisions. The information is grouped by media type and information is collected based on the media type.

There are 8 common pieces of data collected for all media types

book information contains 10 additional logical pieces

of data o magazine information contains 13 additional logical

pieces of data o video recordings information contains 12 additional

logical pieces of data o audio recordings information contains 14 additional

logical pieces of data

Employee logical file is maintained in the LIS application and contains information about the library staff, including employee id, name, address, full or part time status, and title.

Determine the complexity of the following functions:

Select the complexity for each function