channel status table (CST)

A table that is set up by an executive program to show the status of the various channels that connect the central processing unit with peripheral units, enabling the program to control input／output operations.; 由執行程序建立的一種表,用來表示連接處理單元和外圍設備的各個通道的狀態,以便程序去控制輸入輸出操作。