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.
I bought the Lenovo Yoga 710-15IKB Laptop (ideapad) - Type 80V50009US from Best Buy on 25th Nov 2016 and was very happy with the laptop. Suddenly in mid Jan 2017, the audio stopped working. The customer support on call was unable to figure out the problem and asked me to mail them the laptop.