35．Applications put computers to pratical

问题单项选择题

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.

(5)

A．ant

B．last

C．next

D．second

答案

参考答案：C

解析：
译文的含义是：指令由操作构成，那些操作((1))要执行的函数，以及表达要操作数据的操作数。例如，如果一条指令执行两个数字的((2))操作，那么，它必须要知道，这两个数据在((3))。处理器的工作是，从内存中((4))指令和操作数，并执行每个操作。完成之后，它给内存发送信号，让它执行((5))指令。