Logic - FIFOs MemoryFIFO, or first-in-first-out, memory is a type of memory that stores data in a queue, where the data that is added first is also the first to be removed. This type of memory is commonly used in digital systems to store data that is being transferred between different modules or subsystems. FIFO memory is often implemented using shift registers, which are circuits that can shift the data stored in them in one direction. This allows new data to be added at one end of the shift register and old data to be removed from the other end, creating a FIFO memory structure. FIFO memory is useful because it allows data to be transferred between modules in a predictable order, without the need for complex control logic.