megabyte

plural megabytes

1. formalcomputingOne million (10⁶, or 1,000,000) bytes or 1,000 kilobytes.

   This 70-megabyte [69,889,536 bytes] data module contains fixed heads in addition to the normal access heads.

   1973, Reference Manual for IBM 3340/3344 Disk Storage, IBM, page 3

   3 more examples

   The IBM 2301 Drum Storage (Figure 20) provides random access storage of approximately 4 million bytes at a data rate of 1.2 megabytes per second.

   1964, System/360 System Summary, IBM, page 27

   AT&T Wireless Services Inc. in Redmond, Washington, is currently offering $1 per megabyte as its cheapest rate for General Packet Radio Service wireless service, which can provide 20K to 40K bit/sec. throughput. But that price is only if a subscriber buys the most megabytes per month now being offered: 200MB of data for $199 a month.

   2002 April 30, Matt Hamblen, “Next generation wireless: Will users pay?”, in CNN

   The overage charge on this plan has been reduced to 10 cents per megabyte over the limit. Previously, the company charged 25 cents per megabyte for overages.

   2009 May 14, Marguerite Reardon, “Verizon Netbook to hit stores this weekend”, in CNN

2. informalcomputingA mebibyte.

   Defaults to 2 megabytes (2,097,152 bytes).

   2004, Kerry Cox, Christopher Gerg, Managing Security with Snort and IDS Tools, page 92

   2 more examples

   One megabyte is 1,048,576 bytes. One megahertz, however is a million Hertz.

   2003, Michael Meyers, Managing and Troubleshooting PCs, page 933

   By default, each log file [...] is exactly 5 megabytes (5,242,880 bytes) in size.

   2006, Eriq Oliver Neale, Microsoft Small Business Server 2003 Unleashed, page 290