Elements of use case diagram: Actor. â¢ Actor is someone interacting with use case. (system function). Named by noun. â¢ Similar to the concept of user, but. a user can play different roles; (example: a prof. can be instructor and. researcher â plays 2 roles with two systems). â¢ Actor triggers use case. â¢ Actor has responsibility toward the system (inputs), and Actor have expectations from the system (outputs).
Related Manuals for Lenovo Laptop. Summary of Contents for Lenovo Laptop. Page 1: User Guide Lenovo User Guide Read the safety notices and important tips in the included manuals before using your computer. Page 2 Notes â¢ Before using the product, be sure to read Lenovo Safety and General Information Guide first.
Overview. Lenovo VeriFace is a software program developed by Lenovo. The most common release is 5.0.13.5261, with over 98% of all installations currently using this version. Upon being installed, the software adds a Windows Service which is designed to run continuously in the background. Windows XP: Click Add or Remove Programs. 2  When you find the program Lenovo VeriFace, click it, and then do one of the following: 3  Windows Vista/7/8: Click Uninstall. 4  Windows XP: Click the Remove or Change/Remove tab (to the right of the program). 5  Follow the prompts.