The process of inserting meaningless characters , such as null characters , zeros , or spaces , into the unused portions of a field , record , or fixed - length block of data 一種插入一些無意義字符的處理方法。例如,在一個字段、記錄或固定長度數(shù)據(jù)塊的不用部分插入空字符、零或空格。
In a virtual storage system , a fixed - length block that has a virtual address and that is transferred as a unit between real storage and auxiliary storage 在虛擬存儲(器)系統(tǒng)中,具有一個虛擬地址并且可以在實存儲器和輔助存儲器之間作為一個單位來傳送的一種長度固定的(數(shù)據(jù))塊。