What is Noise in Communication? A broad definition of noise in communication is something that keeps a receiver from completely comprehending a message. Distractions can inhibit a person from offering his undivided attention and may keep him from fully grasping what you are trying to say.
Difference Between FDM and FDMA. Frequency Division Multiplexing, or FDM, is a multiplexing technique for the physical layer that allows multiple low bandwidth signals to share the same high bandwidth frequency range. It is achieved by allocating a smaller frequency range to each signal that is using the same channel.
The simple difference between the two is that Product Cost is a part of Cost of Production (COP) because it can be attributable to the products. On the other hand Period, the cost is not a part of the manufacturing process, and that is why the cost cannot be assigned to the products.