大学MOOC DigitalFundamentals（数字电子技术）(江苏师范大学)1003537087 最新慕课完整章节测试答案
Unit3LOGICGATES
Lecture1NOTGate
1、单选题：
When the input to an inverter is LOW (0), the output is
选项：
A: HIGH or 0
B: LOW or 0
C: HIGH or 1
D: LOW or 1
答案: 【 HIGH or 1】
2、单选题：
An inverter performs an operation known as
选项：
A: Complementation
B: Assertion
C: Inversion
D: both answers (a) and (c)
答案: 【 both answers (a) and (c)】
3、判断题：
The inverter output is the complement of the input
选项：
A: 正确
B: 错误
答案: 【 正确】
Lecture2ANDGateandORGate
1、单选题：
The output of an AND gate with inputs A, B and C is 0 (LOW) when
选项：
A: A = 0, B = 0, C = 0
B: A = 0, B = 1, C = 1
C: both answers (a) and (b)
D: A = 1, B = 1, C =1
答案: 【 both answers (a) and (b)】
2、单选题：
The output of an OR gate with inputs A, B and C is 0 (LOW) when
选项：
A: A =0, B =0, C =0
B: A =0, B =1, C =1
C: both answers (a) and (b)
D: A=1,B=1,C=1
答案: 【 A =0, B =0, C =0】
3、判断题：
The AND gate output is HIGH only when all the inputs are LOW.
选项：
A: 正确
B: 错误
答案: 【 错误】
4、判断题：
The OR gate output is HIGH when any of the inputs is HIGH.
选项：
A: 正确
B: 错误
答案: 【 正确】
Lecture3CompositeLogicGates
1、判断题：
The NAND gate output is LOW only when all the inputs are LOW.
选项：
A: 正确
B: 错误
答案: 【 错误】
2、判断题：
The NOR gate output is LOW when any of the inputs is HIGH.
选项：
A: 正确
B: 错误
答案: 【 正确】
3、判断题：
The exclusive-OR gate output is HIGH when the inputs are not the same.
选项：
A: 正确
B: 错误
答案: 【 正确】
4、判断题：
The exclusive-NOR gate output is LOW when the inputs are not the same.
选项：
A: 正确
B: 错误
答案: 【 正确】
Lecture4ICDefinitionandICClassification
1、判断题：
A fixed-function IC comes with logic functions that cannot be programmed in and cannot be altered.
选项：
A: 正确
B: 错误
答案: 【 正确】
2、判断题：
Comparing with TTL, CMOS is the most dominant circuit technology.
选项：
A: 正确
B: 错误
答案: 【 正确】
3、填空题：
According to the complexity classification, we can classfy IC into
答案: 【 SSI MSI LSI VLSI】
Lecture574seriesLogicGatesandICPackages
1、判断题：
The letters, HC, following the prefix 74 identify the circuit technology family as a type of CMOS logic.
选项：
A: 正确
B: 错误
答案: 【 正确】
2、判断题：
All of the 74 series CMOS are pin-compatible with the same types of devices in bipolar.
选项：
A: 正确
B: 错误
答案: 【 正确】