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Encyclopedia > Distribution Media Format

Distribution Media Format (DMF) is a format for floppy disks that Microsoft used to distribute software. It allowed the disk to contain 1.68 MB of data on a 3½-inch disk, instead of the more standard 1.44 MB. As a side effect, utilities had to specially support the format in order to read and write the disks, which made software piracy of products distributed on this media more difficult. A file format is a particular way to encode information for storage in a computer file. ... A 3. ... The Microsoft Corporation, (NASDAQ: MSFT, HKSE: 4338) is a multinational computer technology corporation with global annual sales of US$44. ... Computer software (or simply software) refers to one or more computer programs and data held in the storage of a computer for some purpose. ... This article is about a unit of data measurement. ... Mid-19th century tool for converting between different standards of the inch An inch is an Imperial and U.S. customary unit of length. ... The copyright infringement of software is often called software piracy by those seeking to reduce its incidence. ...


Comparison of DMF and standard 1.44MB 3½-inch diskettes:

1.44MB DMF
Tracks 80 80
Sectors per track 18 21
Cluster size 512 bytes 1024 or 2048 bytes
Root directory entries 224 16

Cylinder-head-sector, also known as CHS, is a method of addressing data on a hard drive. ... A sector is a part of a whole. ... The term cluster refers to the grouping together of elements within a domain - usually spatial. ... A byte is commonly used as a unit of storage measurement in computers, regardless of the type of data being stored. ...

Competing formats

The eXtended Density Format (XDF) is a way of formatting standard high-density 3. ...

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