Locking to coordinate the activities of users who know nothing of one another is used to prevent the lost-update problem.

Question

Quizplus · Accepted Answer

Locking is a method used to coordinate the activities of concurrent users to ensure data consistency and prevent the lost-update problem. By using locks, only one user can modify a certain piece of data at a time, avoiding conflicts and inconsistent data. Therefore, statement A is true.

Locking to Coordinate the Activities of Users Who Know Nothing