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The Floppy Disk Controller (FDC) is a critical component in computer systems that manages the reading and writing of data to floppy disks. Acting as an interface between the computer’s CPU and the floppy drive, the FDC converts digital signals from the system into the precise magnetic patterns required to store data on the disk. It ensures accurate timing, data encoding, and decoding while handling error detection to maintain data integrity. Modern motherboards often integrate the FDC directly, though external floppy disk controllers were once common in older systems. The controller communicates through standard protocols, supporting various floppy disk formats such as 3.5-inch and 5.25-inch disks, each with specific density and speed requirements. In addition to basic read/write operations, the FDC manages disk formatting, head positioning, and track selection