Display control device, question input device, and computer program product

A computer program product comprising a non-transitory computer-readable medium including programmed instructions, wherein the instructions, when executed by a computer, cause the computer to function as:

• a question managing unit that assigns identification control information to question information and manages the question information, the question information including a question detail of a question asked with an image displayed on a display specified, and a question object page indicating page number of the specified image;
• a question image preparing unit that prepares a question image based on the question information;
• an operating unit that receives various types of requests from outside;
• a page managing unit that manages, when a display request of the question is received via the operating unit, a display order and display time of the question object page to be displayed based on the identification control information;
• and
• an image overlay unit that prepares an overlay image including the question image superimposed over the specified image, wherein
• the page managing unit causes the overlay image to be displayed on the display through switching according to the display order and the display time.