Ключевые слова: abstract, background, black, blue, business, button, close up, closeup, color, communication, computer, concept, control, course, data, device, digital, digits, e learning, education, electronic, enter, equipment, information, internet, key, keyboard, keypad, laptop, learn, letters, life, literacy, macro, modern, nobody, notebook, object, office, panel, pc, professional, school, search, shift, tech, technology, type, web, work,