Question

Short notes on interfacing of floppy disk controller

Answer 1

A floppy-disk controller (FDC) is a special-purpose chip and associated disk controllercircuitry that directs and controls reading from and writing to a computer's floppy disk drive (FDD). This article contains concepts common to FDCs based on the NEC µPD765 and Intel 8272A or 82072A and their descendants, as used in the IBM PC and compatibles from the 1980s and 1990s. The concepts may or may not be applicable to, or illustrative of, other controllers or architectures.

Answer 2

Floppy Disk :-

1) A floppy disk is a removable , reusable magnetic storage medium .

2) Floppy disk are also called diskettes and were introduced by IBM in 971.

3) Floppy disk are read and written by a floppy disk drive.

4) A floppy disk is a circular disk made up of plastic and coated with magnetic material.

5) Information or data is stored on tracks and sectors in the form of tiny magnetic spots