An iris diaphragm is a set of overlapping metal plates that can expand out to allow more light or fold in on each other to reduce the amount of light

Which of the following describes the multimedia era? a. an era in which artists created works using paint software such as photoshop, without actually programming. b. an era of interactive technology where 3d computer graphics were used to create a virtual environment. c. an era in which most of the computer art work centered around computer programming. this is for plato .