George borrowed some equipment from his friend for recording his monologue for his art class. He got all the equipment except the audio interface. He still went ahead with the recording. What part of George's laptop functioned as the audio interface in this situation? The * blank * of George's laptop functioned as the audio interface.

Internal sound card

Explanation:

In this case, George has used an Internal sound card, this is enough to record a podcast, make and receive video conferences or play video games.

If we're going to use an instrument, an external sound card, it's necessary, but in this case, George can make the record with high quality audio.

If George wants to add an adapter to connect 6'35mm but is not the same quality that an external sound card.