第五章单元测试
- Semiconductors have both electrons and electron holes.（ ）
- When the local machines cannot access the network，we can change firewall permissions settings. （ ）
- When the employees found malware on their computers, we can update the anti-virus software.（ ）
- Memory is NOT a component of the datapath.（ ）
- Program counter stores the address of the next instruction.（ ）
- Pipelining dramatically reduces latency.（ ）
- Forwarding is the most common way to avoid load-use data hazards.（ ）
- Branch prediction helps prevent control hazards.（ ）
- A branch history table stores data about whether a branch was recently taken.（ ）
- A ____ is a space devoid of air or other matter. （ ）
- If a device is ____ , it runs on electricity and also has moving parts. （ ）
- If an object is ____ , its movement is restricted to a certain area. （ ）
- An ____ is a a positively charged space where a negatively charged particle could be. （ ）
- A ____ is a subatomic particle that is electrically charged. （ ）
- A ____ is a glass cylinder filled with ionized gas. （ ）
A:对 B:错
答案:对
A:错 B:对
A:对 B:错
A:对 B:错
A:错 B:对
A:对 B:错
A:对 B:错
A:错 B:对
A:错 B:对
A:vacuum B:electron hole C:electromechanical D:confined
A:charge carrier B:electromechanical C:electron hole D:confined
A:vacuum B:confined C:electron hole D:charge carrier
A:electron hole B:confined C:solid D:gas-discharge tube
A:solid B:crystalline C:gas-discharge tube D:charge carrier
A:solid B:crystalline C:confined D:gas-discharge tube
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