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The kilobyte is a multiple of the unit byte for digital information.A kilobyte may refer to either 1000 or 1024 bytes.. The International System of Units (SI) defines the prefix kilo as a multiplication factor of 1000 (10 3); therefore, one kilobyte is 1000 bytes. [1]
Due to typical file system design, the amount of space allocated for a file is usually larger than the size of the file's data – resulting in a relatively small amount of storage space for each file, called slack space or internal fragmentation, that is not available for other files but is not used for data in the file to which it belongs.
In 1928, Ralph Hartley observed a fundamental storage principle, [2] which was further formalized by Claude Shannon in 1945: the information that can be stored in a system is proportional to the logarithm of N possible states of that system, denoted log b N.
The order of magnitude of data may be specified in strictly standards-conformant units of information and multiples of the bit and byte with decimal scaling, or using historically common usages of a few multiplier prefixes in a binary interpretation which has been common in computing until new binary prefixes were defined in the 1990s..
The following graphic illustrates how big the English Wikipedia might be if the articles (without images and other multimedia content) were to be printed and bound in book form with a format similar to Encyclopædia Britannica. Each volume is assumed to be 25 cm (9.8 in) tall, 5 cm (2.0 in) thick, and containing 1,600,000 words or 8,000,000 ...
A fast-spreading wildfire that erupted this week northwest of Los Angeles roared from nothing to nearly 10,000 acres − in a matter of hours.
"I've never a big sleeper. I thought, 'Well, I just gotta change my way, so say I go to bed at 2:00 or 2:30, I'll go to bed at 11:30,' and then I was up at 3:00," Leno says. "Now I'm reading for ...
A binary prefix is a unit prefix that indicates a multiple of a unit of measurement by an integer power of two.The most commonly used binary prefixes are kibi (symbol Ki, meaning 2 10 = 1024), mebi (Mi, 2 20 = 1 048 576), and gibi (Gi, 2 30 = 1 073 741 824).