Fine del blocco di trasmissione
Significato del simbolo
The End of Transmission Block symbol was used in computer terminals, printers, text processing systems, and telecommunication equipment to indicate the end of a block of data being transmitted.
Its function was to divide transmitted data into blocks, allowing receiving devices to determine the boundaries of data blocks and properly process the received information. This was especially useful when data was transmitted in synchronous mode, and devices needed to have the information about when the current block of data ended and the next one began.
As for modern computer systems and applications, the U+0017 symbol is rarely used there, since other mechanisms and protocols are employed to separate and process data blocks.
Like many 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 End of Transmission Block as the abbreviation ETB (End of Transmission Block) — ␗ .
Il simbolo «Fine del blocco di trasmissione» 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
ETB.
| Nome Unicode | End of Transmission Block |
| Numero Unicode | |
| Piano | 0: Piano multilingua principale |
| Blocco Unicode | Latino di base |
| Sottoblocco Unicode | Controlli C0 |
| Versione Unicode | 1.1 (1993) |
| Scorciatoia da tastiera | ^W |
| Tipo di supporto specchio accoppiato (bidi) | None |
| Esclusione della composizione | No |
| Cambio di caso | 0017 |
| Semplice cambio di caso | 0017 |
| scripts | Common |
| Codifica | hex | dec (bytes) | dec | binary |
|---|---|---|---|---|
| UTF-8 | 17 | 23 | 23 | 00010111 |
| UTF-16BE | 00 17 | 0 23 | 23 | 00000000 00010111 |
| UTF-16LE | 17 00 | 23 0 | 5888 | 00010111 00000000 |
| UTF-32BE | 00 00 00 17 | 0 0 0 23 | 23 | 00000000 00000000 00000000 00010111 |
| UTF-32LE | 17 00 00 00 | 23 0 0 0 | 385875968 | 00010111 00000000 00000000 00000000 |
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