IC is two transistors, memory chips, integrated circuits and resistors, capacitors, inductors, relays... A variety of electronic components, etc.
Used for household appliances (such as TV, washing machine, etc.) office equipment (such as telephone, fax, computer, etc.), remote control, digital products (MP3,MP4, mobile phones, etc.) on the motherboard, generally those electrical appliances out of the board, the black chip glued above, those are electronics, is IC chip