Ключевые слова: backgrounds, black, bright, business, button, cable, classroom, communications, computer, concepts, contemporary, data, day, design, desk, desktop, display, education, equipment, global, group, image, indoors, internet, keyboard, learning, lecture, life, line, liquidcrystal, medium, monitor, mouse, network, nobody, office, order, pc, perspective, power, row, screen, seminar, shape, support, technology, visual, white, window, workgroup,