Device Control Two
Significato del simbolo
The Device Control Two symbol was used mostly in computer terminals, printers, word processing systems, and telecommunication equipment in order to control functions of various devices.
It is one of the four device control characters: DC1, DC2, DC3, DC4. They all provided the ability to transmit special instructions for controlling device functions and modes of operation. The assignment and interpretation of device control symbols depended on the specific device and communication protocol.
As for modern computer systems and applications, the U+0012 symbol is rarely used there, since other mechanisms and protocols are employed to control device settings and functions.
Like other control symbols, this one has no visible representation and doesn't occupy a lot of space on screen or in typed text. However, there is a separate symbol in Immagini di controllo 2400–243F representing the graphical image of Device Control Two as the abbreviation DC2 — ␒ .
Il simbolo «Device Control Two» è incluso nel sotto-blocco «Controlli C0‘ del blocco ’Latino di base ed è stato approvato come parte della versione Unicode 1.1 nel 1993.
Sinonimi
DC2.
| Nome Unicode | Device Control Two |
| Numero Unicode | |
| Piano | 0: Piano multilingua principale |
| Blocco Unicode | Latino di base |
| Sottoblocco Unicode | Controlli C0 |
| Versione Unicode | 1.1 (1993) |
| Scorciatoia da tastiera | ^R |
| Tipo di supporto specchio accoppiato (bidi) | None |
| Esclusione della composizione | No |
| Cambio di caso | 0012 |
| Semplice cambio di caso | 0012 |
| scripts | Common |
| Codifica | hex | dec (bytes) | dec | binary |
|---|---|---|---|---|
| UTF-8 | 12 | 18 | 18 | 00010010 |
| UTF-16BE | 00 12 | 0 18 | 18 | 00000000 00010010 |
| UTF-16LE | 12 00 | 18 0 | 4608 | 00010010 00000000 |
| UTF-32BE | 00 00 00 12 | 0 0 0 18 | 18 | 00000000 00000000 00000000 00010010 |
| UTF-32LE | 12 00 00 00 | 18 0 0 0 | 301989888 | 00010010 00000000 00000000 00000000 |
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