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
Option D Solution: 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.