Ключевые слова: african american, blackboard, boy, caucasian, child, class, classmate, classroom, computer, concentration, desk, desktop pc, developer, development, device, digital, education, elementary, girl, headphones, headset, information, internet, it, it technology, kid, knowledge, laptop, learn, lesson, modern, online, program, programmer, pupil, school, schoolboy, schoolgirl, screen, serious, software, student, study, table, technology, typing, use, wireless,