释义 |
status bit handshaking 状态位信号交换法 A method which delegating certain bits of a parallel I /O port to coordinate information transfer with a peripheral unit, signifying device read, buffer full , printer out of paper, and so on. 指定并行输入输出端口的某些位(如表示设备读出、缓冲器满、打印机纸用完等)来协调与外围设备的信息传送的一种方法。 |