DH100 Lecture Notes - Lecture 2: Cjk Characters, Intrinsic Metric, Unique Key
Document Summary
Those cannot fit into any fixed length space. E. g. , a", b", c" 0", 1", 2", ,", . ". Space : (space is a character, need to specify that there is nothing there) Each character is encoded as a binary sequence. Length of a bit sequence < > number of characters choices available (in powers of 2) Letters of the alphabet (upper and lower case) Symbols (see above the numbers on your keypad) Space, tab, etc. (characters where there is nothing visible. Based on ascii, but (originally) extended by one more 8-bit byte. Multi-dimensional grid of items of the same kind. Think matrix", spreadsheet", but the number of dimensions need not be 2". Linear sequence of a given simple type. E. g. , take me to your leader! (23 characters not 19) Organized cluster of items of various types. User defined : can serve a variety of purposes. Syntax : rules on how words" can be used in "sentences".
