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ASCII-code order is also called ASCIIbetical order. [34] Collation of data is sometimes done in this order rather than "standard" alphabetical order (collating sequence). The main deviations in ASCII order are: All uppercase come before lowercase letters; for example, "Z" precedes "a" Digits and many punctuation marks come before letters
The block contains all the letters and control codes of the ASCII encoding. It ranges from U+0000 to U+007F, contains 128 characters and includes the C0 controls , ASCII punctuation and symbols , ASCII digits , both the uppercase and lowercase of the English alphabet and a control character .
Latin Capital letter Z: 0059 ASCII Punctuation & Symbols: U+005B [ 91 0133 Left square bracket: ... Modifier Letter Low Left Arrow Code Glyph Decimal Description #
A code point is a value or position of a character in a coded character set. [10] A code space is the range of numerical values spanned by a coded character set. [10] [12] A code unit is the minimum bit combination that can represent a character in a character encoding (in computer science terms, it is the word size of the character encoding).
The Unicode code point is a number also permanently assigned along with the "Name" property and included in the companion UCS. The usual custom is to represent the code point as hexadecimal number with the prefix "U+" in front. Representative Glyph [17] The representative glyphs are provided in code charts. [18] General Category: Uppercase_Letter
The lower-case letters (a to z) are not normally used, but might be interpreted as having the same dot patterns as their upper-case equivalents. `, {, |, and } are not used and their Braille ASCII rendition is not defined. Braille ASCII is merely a subset of the ASCII table that can be used to represent all possible combinations of 6-dot braille.
The uppercase letters of the ISO basic Latin alphabet on a 16-segment display (plus the Arabic numerals). In ASCII the letters belong to the printable characters and in Unicode since version 1.0 they belong to the block "C0 Controls and Basic Latin".
The notation consists of a caret (^) followed by a single character (usually a capital letter). The character has the ASCII code equal to the control code with the bit representing 0x40 reversed. A useful mnemonic, this has the effect of rendering the control codes 1 through 26 as ^A through ^Z.