A standard for defining codes for information exchange between equipment produced by different manufacturers. 美國信息互換標準代碼一種在不同廠家生產的設備之間為信息交換而定義編碼的標準
In systems with time sharing, an exchange between a terminal and another device that accomplishes a particular action or result; for example, the entry of a customer's deposit and the updating of the customer's balance. 在分時系統中，終端和其它設備進行一次數據交換，從而完成一個特定的動作或產生一個特定的結果。例如，輸入客戶的存款金額並修改客戶的餘額。
What is the rate of exchange between the dollar and the pound? 美元和英鎊之間的兌換率是多少?
