Question

brief description of circuit board in mobile phone.​

Answer 1

Answer:

Inside a cell phone, a circuit board is one of the main components, along with various other individual sections such as the liquid crystal display (LCD), antennae, microphone, battery, speaker and keyboard. The cell phone circuit board is considered to be, for all intents and purposes, the brain area of the phone.

Answer 2

Answer:

above image means: analog

Explanation:

cell phone circuit boards consists of computer clips. they are both digital to analog and analag to digital conversion computer clips within the circuit board. the the convert audio science going from analog to digital, and then they convert the audio signs from digital back to analog.