This is a color image of an computer exhibition with the PDP-4 and PDP-1 from DEC on display in their booth. DEC's booth is labeled "DIGITAL EQUIPMENT CORPORATION", "PDP-4", and "PDP-1". There are seven men in the image. Two of the men, wearing suits and ties, are sitting down at the PDP-4 console. The five other men are standing around talking or looking at other exhibits. The entire PDP-4 is shown in the foreground while only a portion of the PDP-1 is shown in the background. Light is coming from overhead.