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(wú)意義字符的處理方法。例如,在一個(gè)字段、記錄或固定長(zhǎng)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(chǔ)(器)系統(tǒng)中,具有一個(gè)虛擬地址并且可以在實(shí)存儲(chǔ)器和輔助存儲(chǔ)器之間作為一個(gè)單位來(lái)傳送的一種長(zhǎng)度固定的(數(shù)據(jù))塊。