kdb允许用户控制内核代码的执行(包括内核扩展和设备驱动器)，并观察和修改变量和寄存器。

KDB allows the user to control execution of kernel code (including kernel extensions and device drivers), and to observe and modify the variables and register.

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每个器件都有一个八位CMOS移位寄存器和CMOS控制电路，八个CMOS数据锁存，八个双极电流吸收达林顿输出驱动器。

Each device has an eight-bit CMOS shift register and CMOS control circuitry, eight CMOS data latches, and eight bipolar current-sinking Darlington output drivers.

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一般来说，内存层次结构如下的访问时间与快速的CPU寄存器顶部和缓慢的硬盘驱动器在底部。

Generally, the memory hierarchy follows the access time with the fast CPUregisters at the top and the slow hard drive at the bottom.

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