问题详情

Stack is quite simple. Many computer systems have stacks built into their circuitry. They also have machine-level instructions to operate the hardware stack. Stack is(73)in computer systems.


A、useless

B、not important

C、simple but important

D、too simple to be useful

时间:2022-01-02 14:17 关键词:

答案解析

C
解析:本题含义可表述为,栈是相当简单的,后两句从意思上看是计算机如何实现栈,实际说栈是计算机组成的一个必要的部分,最后一句是对前面三句的归纳。所以应该选择 C(简单并重要的)。