Прочитайте текст и ответьте на предложенные вопросы, обведя кружком букву, соответствующую правильному варианту ответа. as computers have become powerful tools for the rapid and economic production of pictures, computer graphics has emerged as one of the most rapidly growing fields in computer science. it is used routinely in such diverse areas as business, industry, art, government, education, research, training, and medicine 1. the word “it” in line 2 refers to: a) economic production b) computer graphics c) computer science d) computers