| 术语 | character parity check |
| 释义 | character parity check 字符奇偶校验;［字元配类核对］ During transmission as the data characters are being converted from parallel to serial bit form,the data line terminal at the transmitting end functions to add a parity bit,where necessary,to make each data character odd or even parity.As the data characters are being received,the data line terminal makes a parity check as the conversion from serial to parallel bit form takes place.The parity and synchronizing bits are dropped off at this time.If the wrong parity is detected,an error is signalled. 在数据传输过程中,数据字符首先由并行形式转换为串行形式,然后在串行数据行末端增 加一个奇偶位,使每个数据字符形成奇数或偶数。当收到数据字符并把它们由串行形式 转换为并行形式时,再进行奇偶检查。奇偶和同步位同时被删除掉。如果发现奇偶位有错,就发出出错信号。 |
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