nullA coherent paragraph flows smoothly from beginning to end. A reader can follow your ideas easily because one sentence leads naturally to the next one. Which one is an improper way to make your paragraph coherent?
A. Using nouns and pronouns consistently throughout a paragraph
B. Using transition signals to show relationships among ideas
C. Involving sudden jumps
D. Putting your ideas into logical order
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1、基本RS触发器R、S之间有约束。不能允许出现R和S同时为1的情况,否则会使触发器处于不确定的状态。()
A. 对
B. 错
1、触发器有两个稳定状态:Q=1称为“1”状态;Q=0称为“0”状态。()
A. 对
B. 错
触发器具有记忆功能,能存储一位二进制数码。()
A. 对
B. 错