The document presents multiple-choice questions focused on process states and data structures in Android applications. It asks which process state has the highest priority, which data structure is used to maintain activity states, and what type of state the UI's appearance represents. The options provided include various terms related to state management and data structures.

1. Which of the listed process states has the highest priority?
a) Visible
b) Service
c) Background
d) Empty
Which data structure is used to maintain the Activity states in an Android application?
a) stack
b) queue
c) dequeue
d) list
The state of the UI's appearance is an example of
a) dynamic state
b) persistent state
c) nullable state
d) interoperability state