求翻译：　　虽然标准 ASCII 码是 7 位编码，但由于计算机基本处理单位为字节（ 1byte = 8bit ），所以一般仍以一个字节来存放一个 ASCII 字符。每一个字节中多余出来的一位（最高位）在计算机内部通常保持为 0 （在数据传输时可用作奇偶校验位）。 所谓奇偶校验，是指在代码传送过程中用来检验是否出现错误的一种方法，一般分奇校验和偶校验两种。奇校验规定：正确的代码一个字节中1的个数必须是奇数，若非奇数，则在最高位b7添1；偶校验规定：正确的代码一个字节中1的个数必须是偶数，若非偶数，则在最高位b7添1。是什么意思？

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　　Although the standard ASCII code is 7 codes, but because computer basic processing unit for byte (1byte = 8bit), therefore generally still deposited a ASCII character by a byte.In each byte comes out unnecessarily one (highest order) in the computer the usual maintenance is 0 (when data transmissi

　　Although the standard ASCII code is 7-bit encoding, but basic computer processing unit is bytes (1byte=8bit), so the average is still one byte to store an ASCII character. Each one extra byte (highest level) inside the computer are usually kept at 0 (at the time of data transmission can be used as