UK: Members of the public continue to queue to see Queen Elizabeth II as she lies in state at Westminster Hall.

The video introduces the concept of queues, explaining their characteristics and importance.

What is a queue in the context of this video?

• A method of sorting

• A type of data structure

• A line of people waiting

• A sequence of events

What might influence the length of a queue?

• The time of day

• The color of the queue

• The number of servers available

• The type of queue

Which of the following is NOT a characteristic of a queue?

• Requires a server

• Can be infinite in length

• First-in, first-out order

• Can be circular

How can the efficiency of a queue be improved?

• By increasing the number of people

• By reducing the number of servers

• By optimizing the service time

• By changing the queue's color

What is a potential downside of a long queue?

• Increased customer satisfaction

• Improved service quality

• Decreased waiting time

• Potential loss of customers