否定的な承認
記号の意味
The Negative Acknowledgement symbol was used in computer terminals, printers, text processing systems, and telecommunication equipment to control data flow and ensure the reliable transmission of information.
It tended to indicate an error in data transmission or a problem with receiving information. In communication protocols, after receiving the NAK symbol, the data sender was required to repeat the previous transmission to correct any errors or data loss. If the data was transmitted correctly, the opposite symbol was sent ( ).
As for modern computer systems and applications, the U+0015 symbol is rarely used there, since other mechanisms and protocols are employed to ensure the reliability of data transmission and error handling.
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 制御機能用記号 2400–243F representing the graphical image of the Negative Acknowledge symbol as the abbreviation NAK — ␕ .
シンボル「否定的な承認」は「基本ラテン文字」ブロックの「C0コントロール」サブブロックに含まれており、1993年にUnicodeバージョン1.1の一部として承認されました。
同義語
NAK.
| ペアミラーブラケットのタイプ (bidi) | None |
| 構成の除外 | No |
| ケースチェンジ | 0015 |
| シンプルなケース交換 | 0015 |
| scripts | Common |
| エンコーディング | hex | dec (bytes) | dec | binary |
|---|---|---|---|---|
| UTF-8 | 15 | 21 | 21 | 00010101 |
| UTF-16BE | 00 15 | 0 21 | 21 | 00000000 00010101 |
| UTF-16LE | 15 00 | 21 0 | 5376 | 00010101 00000000 |
| UTF-32BE | 00 00 00 15 | 0 0 0 21 | 21 | 00000000 00000000 00000000 00010101 |
| UTF-32LE | 15 00 00 00 | 21 0 0 0 | 352321536 | 00010101 00000000 00000000 00000000 |
これらのコードをコピー＆ペーストして、否定的な承認 キャラクターをウェブサイト、SNS、メッセンジャー、ブログ投稿のテキストで使用してください。
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| Unix, C, PHP, JAVA | |
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| URL-encode |