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

[单选题] 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.（73）A．uselessB．not importantC．simple but importantD．too si

[单选题]My secret for staying young is simple. Put all your attention to the part o

[单选题]My secret for staying young is simple. Put all your attention to the part o

[单选题]My secret for staying young is simple. Put all your attention to the part o

[单选题]My secret for staying young is simple. Put all your attention to the part o

[单选题]My secret for staying young is simple. Put all your attention to the part o

[问答题]Many people don’t listen to music and they can get along quite well.

[单选题]While some officejobs would seem [boring] to many people,there are quite a

[单选题]How many free morphemic words are there in the following words：wind，book，re

[名词解释] Stack栈