Open main menu
Home
Random
Recent changes
Special pages
Community portal
Preferences
About Wikipedia
Disclaimers
Incubator escapee wiki
Search
User menu
Talk
Dark mode
Contributions
Create account
Log in
Editing
Megabyte
(section)
Warning:
You are not logged in. Your IP address will be publicly visible if you make any edits. If you
log in
or
create an account
, your edits will be attributed to your username, along with other benefits.
Anti-spam check. Do
not
fill this in!
==Examples of use== [[File:Imation 3.5" diskette 20050729.jpg|right|thumbnail|200px|1.44 MB [[floppy disk]]s can store 1,474,560 bytes of data. MB in this context means 1,000Γ1,024 bytes.]] Depending on compression methods and [[file format]], '''a megabyte of data''' can roughly be: * a 1{{nbsp}}[[megapixel]] [[bitmap]] image (e.g. ~[[XGA+|1152 Γ 864]]) with 256 colors (8 bits/pixel [[color depth]]) stored without any compression.<!-- (1024Γ1024Γ8)/8 = 1048576 bytes --> * 6{{nbsp}}seconds of [[Compact Disc Digital Audio#Audio format|44.1 kHz/16 bit]] [[Audio file format#Uncompressed audio format|uncompressed]] CD audio.<!-- (44100Γ2Γ16/8)Γ6 = 1058400 bytes --> * 1{{nbsp}}minute of 128{{nbsp}}[[Kilobits per second|kbit/s]] [[MP3]] [[Audio file format#Lossy compressed audio format|lossy compressed]] audio.<!-- (128000/8)Γ60 = 960000 bytes --> * a typical English book volume in plain text format (500 pages Γ 2000 characters per page).<!-- 500*2000 = 1000000 bytes --> The novel ''[[The Picture of Dorian Gray]]'', by [[Oscar Wilde]], hosted on [[Project Gutenberg]] as an uncompressed plain text file, is 0.429 MB<!--428,952 bytes-->. ''[[Great Expectations]]'' is 0.994 MB,<!--993,639 bytes--><!-- Minus the table of contents (etc) and Gutenberg metatext at the beginning (505b) and end (18,527b). --><ref>{{Cite book|url=https://www.gutenberg.org/ebooks/1400|title=Great Expectations|first=Charles|last=Dickens|date=July 1, 1998|via=Project Gutenberg}}</ref> and ''[[Moby Dick]]'' is 1.192 MB.<!--1,191,763 bytes--><!-- Minus the prefaces and notes, and again minus the Gutenberg metatext at the beginning and end. --><ref>{{Cite book|url=https://www.gutenberg.org/ebooks/2701|title=Moby Dick; Or, The Whale|first=Herman|last=Melville|date=July 1, 2001|via=Project Gutenberg}}</ref> The [[human genome]] consists of DNA representing 800{{nbsp}}MB of data. The parts that differentiate one person from another can be compressed to 4{{nbsp}}MB.<ref name="Christley">{{Cite journal | last1 = Christley | first1 = S. | last2 = Lu | first2 = Y. | last3 = Li | first3 = C. | last4 = Xie | first4 = X. | title = Human genomes as email attachments | doi = 10.1093/bioinformatics/btn582 | journal = Bioinformatics | volume = 25 | issue = 2 | pages = 274β275 | year = 2008 | pmid = 18996942| doi-access = free }}</ref>
Edit summary
(Briefly describe your changes)
By publishing changes, you agree to the
Terms of Use
, and you irrevocably agree to release your contribution under the
CC BY-SA 4.0 License
and the
GFDL
. You agree that a hyperlink or URL is sufficient attribution under the Creative Commons license.
Cancel
Editing help
(opens in new window)