The Bluetooth feature built into most A/V receivers (or Bluetooth adapters) is to allow a portable device such as a phone or tablet to stream music to that receiver. This way you can listen to your digital music or streaming apps like Pandora or Spotify from your phone through your main speaker system.
An embedded system is a computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints.[1][2] It is embedded as part of a complete device often including hardware and mechanical parts.
A what functions would such an embedded system control b. An embedded system is any electronic system that uses a CPU chip but that is not a general-purpose workstation, desktop, or laptop computer. It is a specialized computer system that is part of a larger system or a machine. Embedded systems are used in many places, such as automobiles.