问题
判断题
信号设备不考虑直接雷击设备的防护，只对雷电感应过电压进行防护。
答案
参考答案：对
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信号设备不考虑直接雷击设备的防护，只对雷电感应过电压进行防护。
参考答案：对
| 35．Applications put computers to pratical business (1) , but below the (2) it’s the heart of an operating system—the kernel that provides the technical wizardry to juggle multiple program, connect to networks and store (3) . A traditional kernal provides all the functions for applications. The kemal (4) memory, I/O devices and parcels out processor time. The kernel also supports security and fault (5) , which is the ablity to recover automatically when parts of the system fail. |
(1)
A．coupled
B．dependent
C．independent
D．related