Please help with the following question

Consider the following queueing two queueing systems system that you may be familiar with- the McDonalds- "one entry splitting into two drive-up lanes with separate order stations with a single pay window with and a single pickup window" and the Chick-Fil-A- "two separate drive-up lanes with separate order stations with a single pay window with and a single pickup window.

1. Describe the operating characteristics of each of these two systems.