There are also a number of programs, such as Diskcopy, Virtual Floppy Drive (VFD) and Floppy Image Creator, that can create a virtual floppy in the absence of a physical disk (or, possibly, the absence of a computer with a floppy disk drive).
(dÄ­fâ²Ér) intr.v. difÂ·fered, difÂ·ferÂ·ing, difÂ·fers. 1. To be dissimilar or unlike in nature, quality, amount, or form: Ambition differs from greed. 2. To be of a different opinion; disagree: The experts differ on what should be done to fix the economy.
A variable cost, on the other hand, is a cost that varies as the amount of goods and services a company produces varies. A variable cost is dependent on a company's production volume. For example, suppose company ZYX pays $1 per unit of good sold; its cost would vary as the amount of goods produced varies.