廈門泰尼電氣有限公司
主營產品: AB模塊PLC |
廈門泰尼電氣有限公司
主營產品: AB模塊PLC |
參考價 | 面議 |
1769-OB16P--1769-OB16P
1769-OB16P--1769-OB16P
二進制編碼
在計算機中,是采用二進制數(shù)。因而,要在計算機中表示的數(shù)、字母、符號等都要以特定的二進制碼來表示,這就是二進制編碼。
一、二進制編碼的十進制數(shù):BCD碼(Binary-Coded Decimal)
:張亮(工程師) 專線:
24小時移動專線: 【】
字母與字符的編碼
字母和各種字符($、#……)也必須按特定的規(guī)則用二進制編碼才能在機中表示。普通的是采用ASCII( American Standard Code for Information Interchange)碼。0~9的ASCII碼為30H~39H,大寫字母A~Z的ASCII碼為41H~5AH。
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