The full name of the establishment was actually The Binary Café and Hexadecimal Emporium, a name which reflected the two main components of the space—serving food and drinks, and selling cyberpunk-related books, magazines, and zines.
The Netronics ELF II was an early microcomputer trainer kit featuring the RCA 1802 microprocessor, 256 bytes of RAM, DMA-based bitmap graphics, hexadecimal keypad, two digit hexadecimal LED display, a single "Q" LED, and 5 expansion slots.
The string name of this particular character is "U+0041", expressing in the Unicode convention the code point hexadecimal 41 (decimal 65, the ASCII character "A").
In 1997, the American Mark Vincent Rogers of Intuitor proposed a similar system of hexadecimal time and implemented it in JavaScript as the Hexclock.
Not all of them encode the standard the same way, like replacing the typical backslash at byte 0x5C with the won currency sign (₩).
If there is no device that implements the function zero (i.e., vendor and device ID registers), the bus master performs an abort and returns all 1s in binary (hexadecimal FFFFFFFF).
A form of systems is the 'found system', preferred by Christopher Hobbs, in his work Aran (1971), in which a knitting pattern for an Aran sweater, with its different stitches, determines the pitches chosen and the instruments to play them, and in his recent series of pieces called Sudoku Music (2005-6), using 'super' or 'mega' sudoku puzzles having a hexadecimal (16 x 16) grid.