题目内容

What is the name of a set of signal lines that play a management and control role in the transmission and exchange of data in computer systems()

A. Data bus
B. Address bus
Control bus
D. Status bus

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What code is used for signed integer numbers’ representation in modern computers()

A. original code
B. 1’s complement
C. 2’s complement
D. BCD code

以下属于无损检测技术的是()

A. 超声检测
B. XRD检测
C. 涡流检测
D. 磁粉检测

以下可能产生沿晶断裂的因素包括()

A. 脆性第二相沿晶界析出
B. 塑性第二相沿晶界析出
C. 应力腐蚀断裂
D. 氢致断裂

双晶要素包括()

A. 双晶面和双晶接合面
B. 双晶面和双晶轴
C. 双晶中心和双晶缝合线
D. 双晶轴和双晶接合面

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