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A series of small English words is easier for humans to read, remember, and type in than decimal or other binary-to-text encoding systems. [12] Each 64-bit number is mapped to six short words, of one to four characters each, from a public 2048-word dictionary. [11]
the S/KEY system maps 64 bit numbers to 6 short words of 1 to 4 characters each from a publicly accessible 2048-word dictionary. The same dictionary is used in RFC 1760 and RFC 2289. the Diceware system maps five base-6 random digits (almost 13 bits of entropy) to a word from a dictionary of 7,776 distinct words.
This capacity may be expanded in modular increments by adding one 2048-character module and additional 4,096-character modules." "Random access disc file and control (disc capacities of up to 100 million characters are available.)" "Up to eight drum storage units can be connected to the Model 270 Random Access Drum Control.
For example, the IBM 701 (1952) used a binary methods and could address 2048 words of 36 bits each, while the IBM 702 (1953) used a decimal system, and could address ten thousand 7-bit words. By the mid-1960s, binary addressing had become the standard architecture in most computer designs, and main memory sizes were most commonly powers of two.
Plane 0 is the Basic Multilingual Plane (BMP), which contains most commonly used characters. The higher planes 1 through 16 are called "supplementary planes". [1] The last code point in Unicode is the last code point in plane 16, U+10FFFF. As of Unicode version 16.0, five of the planes have assigned code points (characters), and seven are named.
2048 bytes = 2 KiB: A CD-ROM sector 4096 bytes = 4 KiB: A memory page in x86 (since Intel 80386 ) and many other architectures, also the modern Advanced Format hard disk drive sector size. 4 kB: About one page of text from a novel
The Unicode Consortium and the ISO/IEC JTC 1/SC 2/WG 2 jointly collaborate on the list of the characters in the Universal Coded Character Set.The Universal Coded Character Set, most commonly called the Universal Character Set (abbr. UCS, official designation: ISO/IEC 10646), is an international standard to map characters, discrete symbols used in natural language, mathematics, music, and other ...
65,536 is the number of characters in the original Unicode, and currently in a Unicode plane. This number is a limit in many common hardware and software implementations, some examples of which are: The Motorola 68000 family , x86 architecture , and other computing platforms have a word size of 16 bits , representing 65536 possible values.