40. What is meant by quad-density (QD) diskette? A. It is double-sided disk B. It is double density disk C. It has double the number of tracks per inch D. All of the above E. None of the above
Quad-density (QD) : A quad density disk is a 5¼" floppy disk with a storage capacity of 720 kilobytes. Quad density floppy disks are often double sided. During their time, quad density floppy disks are not as common as double-sided, double-density floppy disks.
