megabyte


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megabyte

[′meg·ə‚bīt]
(computer science)
A unit of information content equal to 1,048,576 (1024 × 1024) bytes. Abbreviated Mbyte. Symbolized M.

megabyte

(unit)
(MB, colloquially "meg") 2^20 = 1,048,576 bytes = 1024 kilobytes. 1024 megabytes are one gigabyte.

The text of a six hundred page paperback book would require about a megabyte of ASCII storage.

See prefix.

megabyte

One million bytes, or more precisely 1,048,576 bytes. Also MB, Mbyte and M-byte. See mega, space/time and never say.
References in periodicals archive ?
* Tape drives: Although tape remains one of the least expensive storage mediums--costing as little as a tenth of a cent per megabyte of stored data--it's frustratingly slow compared with hard disks or floppies.
While it is true that the new generation of microprocessors have removed the hardware restrictions that limited the 8088 to addressing 1 megabyte of RAM, the new chips still use software designed to be compatible with the 8088 chip.
The Coventry firm has acquired Megabyte for up to pounds 1.5 million and two million shares.
The EVA family is designed for environments where there is a need for improved storage utilization and scalability, consistently high transaction input/output and megabyte data rate performance, seamless capacity expansion, instantaneous replication and simplified storage administration.
Vodafone was also lowering its standard prices for incoming and outgoing traffic in the GPRS network to SEK16 per megabyte.
Cost: $95 to $195 for the first five megabytes of translation, $10 for each additional megabyte.
The system operates from a personal computer with 8 megabytes of random access memory (RAM) and a 540 megabyte hard drive.
Contained in its massive tower case were a 40 megabyte hard disk, 2 MB of RAM, an EGA video card, 15-inch color monitor, and it could run the newest version of Lotus 123.
But another advantage of the AT was that for the first time the disk drives themselves were capable of holding over a megabyte, 1.2 to be (almost) exact.
"In this kind of business, you don't like to throw away anything," says Bakshi, who archives all completed client work on Syquest removable 45 megabyte cartridges.
Optional upgrades to one megabyte (60 pages) and two megabytes (120 pages) are available, providing broadcasting, confidential reception and programmed forwarding to another location, as well as other memory benefits.
Other costs are attributable to the inadvertent over-replication of data--for every megabyte file that is created, there exists 10-15 megabytes of that file residing on multiple full backup tape sets, HSM tapes, archive tapes, and replication disks.