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【简答题】
You cited US comments calling for more respect for freedom of speech and assembly from the SAR government. I want to point out that what happened in Hong Kong recently has nothing to do with the freedom of speech and assembly. It is radical and violent behaviors that violate law, which directly undermines the foundation of rule of law in Hong Kong, goes against the Basic Law and Hong Kong's local laws, and seriously challenges the bottom line of the "one country, two systems" principle.
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【单选题】下面关于随机存取存储器(RAM)的叙述中,正确的是
A.
RAM分静态RAM（SRAM）和动态RAM（DRAM）两大类
B.
SRAM的集成度比DRAM的高
C.
DRAM的存取速度比SRAM的快
D.
DRAM中存储的数据无需“刷新”
【单选题】In the Dijkstra’s algorithm example discussed in the lecture, each node label represents:
A.
Estimated shortest distance from the source to that node
B.
Estimated shortest distance between that node and one of its neighboring nodes
C.
Estimated shortest distance between that node to the final destination
D.
None of the options given
【简答题】已知:要发送的数据帧为 1011001 ,生成多项式为 X 4 + X 3 +1 。求应添加的冗余码
【单选题】下面关于随机存取存储器(RAM)的叙述中,正确的是
A.
静态RAM（SRAM）集成度低，但存取速度快且无须“刷新”
B.
DRAM的集成度高且成本高，常做Cache用
C.
DRAM的存取速度比SRAM快
D.
RAM中存储的数据断电后不会丢失
【单选题】下面关于随机存取存储器(RAM)的叙述中,正确的是
A.
RAM分静态RAM(SRAM)和动态RAM(DRAM)两大类
B.
DRAM的实质为ROM
C.
DRAM 的存取速度比SRAM快
D.
DRAM中存储的数据无须刷新
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