Ключевые слова: alertness, backgrounds, broken, business, coding, color image, communication, computer, computer crime, computer monitor, computer network, computer software, computer virus, concepts, connection, creativity, cut out, database, datum, design, device screen, display, equipment, error message, failure, horizontal, icon symbol, illustration, indoor, information medium, internet, laptop, message, mistake, network server, no people, not found error message, problem, risk, safety, security, sign, symbol, technology, warning sign, web page, wireless technology,