mega byteとは 意味・読み方・使い方

語源

From mega- +‎ byte.

発音

• IPA: /ˈmɛɡəˌbaɪt/

名詞

megabyte (plural megabytes)

1. (computing, formal) One million (10, or 1,000,000) bytes or 1,000 kilobytes.
   • 1964, System/360 System Summary, IBM, page 27:

     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.

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

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

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

     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.

   • 2009 May 14, Marguerite Reardon, “Verizon Netbook to hit stores this weekend”, 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.

2. (computing, informal) A mebibyte.
   • 2003, Michael Meyers, Managing and Troubleshooting PCs, page 933:

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

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

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

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

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

同意語

• MB, ㎆

等位語

• Previous: kilobyte
• Next: gigabyte

派生語

関連する語

• mebibit
• mebibyte
• megabit