Ключевые слова: business, button, clicking, command, computer, connect, control, controller, design, desk, device, digital, drag, electronic, enter, equipment, input, key, keyboard, laptop, letter, machine, men, modem, mouse, move, notebook, object, personal computer, plastic, plug in, pointing, program, push, rolling, security, system, technology, tool, typewriter, universal serial bus, user, wire, word, work,