1. A software which processes external requests that cause interrupts.; 一種用于處理外部中斷請求的軟件。 2. In VAX/VMS, a routine executed when an interrupt occurs. | 在VAX/VMS操作系統(tǒng)中,當中斷發(fā)生時,所執(zhí)行的一種例行程序。 3. A subroutine to which the CPU branches after acknowledging an interrupt request by a particular I/O unit. | CPU在確認收到某個輸入輸出設備發(fā)出的中斷請求后,轉(zhuǎn)去執(zhí)行的一種子例行程序。