What is a PCBA?

PCBA stands for "Printed Circuit Board Assembly." It refers to the process of assembling electronic components onto a printed circuit board (PCB) to create a functional electronic device or system.
PCBAs are used in many different types of electronic products, including smartphones, computers, televisions, medical devices, and automotive systems. The quality and reliability of the PCBA can have a significant impact on the performance and safety of the finished product, making it a critical aspect of the overall manufacturing process.

What is the difference between PCB and PCBA?
How to manufacture PCBA?