| 1. | Table 3-25 is a truth table of the 8251 bus control signals .
表3-25是8251总线控制信号的真值表。 |
| 2. | Information is transmitted to and from registers via buses .
信息是通过总线输入寄存器或由寄存器输出的。 |
| 3. | All the usual system components are directly connected to these three buses .
所有通用系统部件都直接连接到三根总线上。 |
| 4. | Upon receipt of the hold-acknowledge, the dma knows that the bus are released .
在接收到HOLD应答信号时，DMA便知道总线处于高阻抗状态。 |
| 5. | The control bus is used to control the sequencing and nature of the operation being performed .
控制总线用来控制要执行的操作的种类和顺序。 |
| 6. | In summary, the ieee488 bus represents quite an advancement in intelligent data acquisition systems .
总之，IEEE488总线是智能数据采集系统中一个很大的改进。 |
| 7. | A bus is nothing more than a collection of electrical conducting lines over which binary data is transferred .
一条“总线”只不过是一束传送二进制数据的一些导线。 |
| 8. | In the "talk" example, the controller sends the address and command-to-talk to the talker, by using atn and the data-bus .
在“说”的例子中，控制器利用ATN和数据总线把地址和说命令送给说者。 |
| 9. | A memory address consists of binary data being output on an appropriate bus which we call the address bus .
一个存储器地址是由输出到适宜的总线上的二进制数据所组成。这个总线我们称为地址总线。 |
| 10. | Eisa extended industry standard architecture bus eisa
扩展工业标准体系结构总线 |
