Labels:bulletin board | daily | reckoner | sky OCR: Multimedia PCS contain punos cards which allow you record or play back the audio used in multimedia applications A sound card is circuit tha houses processors which provide both audio input and output. You can use sound card to record signals You also can connect ittc speakers, headphones or other devices to play back an audio file Using sound- -editing software with sound card allows you combine audio signals pue modify recording aad playback levels board that conneci Usino modif