Megabyte is the name of a information unit equivalent to A million of bytes approximately. It is, therefore, a multiple of the byte , unit used in the field of telecommunications and information technology.
A byte is a set of eight bits . A bit , in turn, is another unit of measure whose definition is linked to the choice between a couple of possibilities that are equally likely.
Picking up the idea megabyte, whose symbol is MB , many times it is called mega in colloquial language. Anyway it is important not to confuse it with the megabit or Mb , equivalent to one million bits .
The megabyte concept is often used to refer to the amount of information which contains a file (a document) or a support. The Floppy , to name one case, they could store up to 1.44 megabytes of information. A CD ROM , meanwhile, it serves to save between 650 and 900 megabytes according to its characteristics.
A compact disc (CD ) from Audio , in this framework, it usually allows the storage of 700 megabytes , equivalent to about eighty minutes of uncompressed sound. If audio is compressed in format MP3 to 128 kbit / s , one megabyte contains one minute and four seconds of music.
It is relevant to keep in mind that the units of the computing they started by resorting to multiples of 1.000 . However, with computers working on a binary basis, confusion began to occur between 1.000 and 1.024 . That's why the term came up mebibyte as a byte manifold, although its use by common users is rare.