题目内容

从一个使用独立编址方式的I/O端口输入字节数据给CPU时可使用指令。

A. MOV
B. INC
C. IN
D. OUT

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接口电路中74LS373芯片通常用于。

A. 锁存地址和数据信息
B. 三态输出的驱动器
C. 数据的双向传送
D. 以上都不对

CPU和外设之间的数据传送方式包括。

A. 无条件传送方式
B. 查询传送方式
C. 中断传送方式
DMA传送方式

Listen to a lecture and choose the best answer from the four choices provided for each question. (仅将各选项前的字母A, B, C or D填入答案)[音频]1. A) Animal skinsB) Pieces of clayC) Cloth made from grassD) A special type of grass2. A) He turned making paper into an industry.B) He invented paper about 2,000 years ago.C) He introduced paper to other civilizations.D) He changed paper to match the environment.3. A) They coated their paper with a fine paste.B) They made paper cheaper and easier to buy.C) They built factories devoted to making paper.D) They made paper of different colors and strengths.4. A) New uses for paper products would be found.B) Paper would no longer be made from trees.C) Paper would no longer be in use soon.D) New varieties of paper will come into being.

___是日本帝国主义侵华的开端,拉开了中国人民浴血抗战的序幕。

A. 淞沪会战
B. 九一八事变
C. 卢沟桥事变
D. 南京沦陷

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