As an additional source of revenue, Flickr has partnered with other companies, known as ____________________, who provide photo-printing services.

List the contents of both queues with the front of the queue leftmost.

Given two initially empty queues, queue1 and queue2 and the following commands. queue1.enqueue(4) queue1.enqueue(3) queue2.enqueue(7) queue1.enqueue(6) queue1.dequeue() queue1.enqueue(queue2.peekFront()) queue2.enqueue(queue1.peekFront()) queue1.dequeue() queue2.enqueue(7)

A direct access file is also known as a(n) __________access file.

Fill in the blank(s) with the appropriate word(s).