What is the name of a device that combines several semiconductors and other components into one package?

The correct answer is integrated circuit. An integrated circuit (IC) is a compact assembly that incorporates multiple semiconductor devices like transistors, diodes, resistors, and capacitors onto a single chip of semiconductor material, usually silicon. This integration allows for reduced size, improved performance, and lower manufacturing costs compared to assembling individual components separately. Integrated circuits are fundamental in modern electronics and are used in virtually all electronic devices, including radios, computers, and smartphones.

In contrast, a transducer converts one form of energy to another, such as converting sound into electrical signals, but does not refer specifically to a collection of semiconductor components. A multi-pole relay is an electromechanical switch that uses an electromagnetic coil to open or close contacts, serving a different purpose in circuit control rather than integrating multiple functions into one device. Lastly, a transformer is designed to transfer electrical energy between two or more circuits through electromagnetic induction and does not contain semiconductor devices like an integrated circuit does.