how ascii is used to represent text?
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ASCII code allows computers to understand how to represent text. In ASCII, each character (letter, number, symbol or control character) is represented by a binary value. ... The maximum number of characters that can be represented in extended ASCII is 256. As an example, the ASCII code for uppercase A is 65.
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['Text, Alphanumeric, Character, String.', 'Byte.', 'Short, Integer.', 'Long, Integer.', 'Single, Real.', 'Double, Float.', 'Counter.', 'DateTime, TimeStamp.']
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Java is Unicode. But the first set of characters in Unicode are ASCII, specifically US-ASCII. So since ASCII is a subset of Unicode, its trivial to do work in ASCII within Java.
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ASCII file. A text file in which each byte represents one character according to the ASCII code. ... Files that have been formatted with a word processor must be stored and transmitted as binary files to preserve the formatting. ASCII files are sometimes called plain text files.
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Extended ASCII (EASCII or high ASCII) character encodings are eight-bit or larger encodings that include the standard seven-bit ASCII characters, plus additional characters.
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Character Sets. A character set is a set of textual and graphic symbols, each of which is mapped to a set of nonnegative integers. The first character set used in computing was US-ASCII. It is limited in that it can represent only American English.
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So what difference does it make? Venturing into computer science briefly, computers represent and store numbers and text values very differently – numbers are stored in a compact binary representation, and text strings are stored as a string of individual characters.
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ASCII, ISCII and Unicode are encoding languages with unique characteristics that define their usage. ASCII uses a 7-bit encoding and ISCII uses an 8-bit which is an extension of ASCII while Unicode is a variable bit encoding that doesn't fit into one 8 bit and generally uses 16-bit encoding.
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In C programming, a character variable holds ASCII value (an integer number between 0 and 127) rather than that character itself. That value is known as it's ASCII value. For example, the ASCII value of 'A' is 65.
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ASCII is a subset of Unicode, although it is almost the other way around: the Unicode Standard team intentionally chose to assign the first 256 Unicode characters to match Latin-1. The first 128 characters of Latin-1 match standard ASCII.
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['contain uppercase letters.', 'lowercase letters.', 'numbers.', 'non-alphanumeric characters; for example, #, %, or ^']
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ASCII. Stands for "American Standard Code for Information Interchange." ASCII is a character encoding that uses numeric codes to represent characters. These include upper and lowercase English letters, numbers, and punctuation symbols.
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['Integer Literals.', 'Boolean Literals.', 'Character Literals.', 'String Literals.', 'Floating Point Literals.']
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ASCII is a 7-bit code, meaning that 128 characters (27) are defined. The code consists of 33 non-printable and 95 printable characters and includes both letters, punctuation marks, numbers and control characters.
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One byte character sets can contain 256 characters. The current standard, though, is Unicode which uses two bytes to represent all characters in all writing systems in the world in a single set.
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LATIN represents fixed 8-bit characters from the ASCII ISO 8859 Latin1 or ISO 8859 Latin9 repertoires. ... UNICODE represents fixed 16-bit characters from the UNICODE 6.0 standard.
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ASCII, abbreviation of American Standard Code For Information Interchange, a standard data-transmission code that is used by smaller and less-powerful computers to represent both textual data (letters, numbers, and punctuation marks) and noninput-device commands (control characters).