Howard Aiken and Grace Hopper designed the Mark series of computers used by the U.S. Navy for ballistic and gunnery calculations.

Match the following buttons with their functions in Internet Explorer:

I. Back II. Forward III. Refresh IV. History V. Search A. displays the list of previously viewed Web sites B. returns to the last page viewed C. finds specific pages based on keywords D. displays the most current information E. moves to the next page in the history list

How many pointers are contained in a circular, doubly linked list with five nodes?

a) 5 b) 8 c) 15 d) 10