2020 Digital Fundamentals（数字电子技术）(江苏师范大学) 最新满分章节测试答案

本答案对应课程为:点我自动跳转查看
本课程起止时间为:2020-09-22到2020-12-31
本篇答案更新状态:已完结

【作业】Part 1 Basic concepts Part_01-0 Introduction

1、 问题:What does bit mean?
评分规则: 【 Bit means binary digit.
One bit means a 1 or a 0. (a one or a zero)
】

2、 问题:Explain the difference between a digital quantity and an analog quantity.
评分规则: 【 An analog quantity is continuous. 
A digital quantity is discrete. 
】

3、 问题:Give an example of a system that is analog and one that is combination of both digital and analog. 
评分规则: 【 A system used to amplify sound is an analog system.
A compact disk player is an example of a system in which both digital and analog circuits are used.
】

【作业】Part 1 Basic concepts Part_01-2 Decimal Binary Conversions and Binary Arithmetic

1、 问题:The decimal number 17 is equal to the binary number
评分规则: 【 10001
】

2、 问题:The binary number 1110 is equal to the decimal number 
评分规则: 【 14
】

3、 问题:The decimal number system is a weighted system with ten digits. True or False?
评分规则: 【 True
】

4、 问题:The binary number system is a weighted system with two digits. True or False?
评分规则: 【 True
】

5、 问题:LSB stands for lowest single bit. True or False?
评分规则: 【 False
】

【作业】Part 1 Basic concepts Part_01-3 Digital Code

1、 问题:BCD stands for binary coded decimal. True or False?
评分规则: 【 True.
】

2、 问题:The BCD number for decimal 473 is 
评分规则: 【 010001110011
】

3、 问题:Convert  the BCD number 00011001 to decimal 
评分规则: 【 19
】

4、 问题:Gray code is one kind of reliability code. True or False?
评分规则: 【 True
】

5、 问题:What is the ASCII representation for the character $?
评分规则: 【 0100010
】

【作业】Part 1 Basic concepts Part_01-1 Decimal and Binary numbers

1、 问题:Determine the weight of the 1 in the binary number 10000.
评分规则: 【 16
】

2、 问题:Convert the binary number 10111101.011 to decimal. 
评分规则: 【 189.375
】

3、 问题:In binary, 1+1=2, True or False?
评分规则: 【 False
】

4、 问题:Convert the decimal number 21.32 to binary. (keep 4 digits)
评分规则: 【 10101.0101
】

【作业】Part 1 Basic concepts Part_01-0 Introduction (The second time)

1、 问题:What does bit mean?
评分规则: 【 Bit means binary digit.
One bit means a 1 or a 0. (a one or a zero)
】

2、 问题:Explain the difference between a digital quantity and an analog quantity.
评分规则: 【 An analog quantity is continuous. 
A digital quantity is discrete. 
】

3、 问题:Give an example of a system that is analog and one that is combination of both digital and analog
评分规则: 【 A system used to amplify sound is an analog system.
A compact disk player is an example of a system in which both digital and analog circuits are used.
】

【作业】Part 1 Basic concepts Part_01-1 Decimal and Binary numbers (The second time)

1、 问题:Determine the weight of the 1 in the binary number 10000.
评分规则: 【 16
】

2、 问题:Convert the binary number 10111101.011 to decimal.  
评分规则: 【 189.375
】

3、 问题:In binary, 1+1=2, True or False?
评分规则: 【  False
】

4、 问题:Convert the decimal number 21.32 to binary. (keep 4 digits)
评分规则: 【 10101.0101
】

【作业】Part 1 Basic concepts Part_01-2 Decimal Binary Conversions and Binary Arithmetic (The second tim

1、 问题:The decimal number 17 is equal to the binary number 
评分规则: 【 10001
】

2、 问题:The binary number 1110 is equal to the decimal number 
评分规则: 【 14
】

3、 问题:The decimal number system is a weighted system with ten digits. True or False?
评分规则: 【 True
】

4、 问题:The binary number system is a weighted system with two digits. True or False?
评分规则: 【 True  
】

5、 问题:LSB stands for lowest single bit. True or False?
评分规则: 【 False
】

【作业】Part 1 Basic concepts Part_01_3 Digital Code (The second time)

1、 问题:BCD stands for binary coded decimal. True or False? 
评分规则: 【 True.
】

2、 问题:The BCD number for decimal 473 is 
评分规则: 【 010001110011
】

3、 问题:Convert  the BCD number 00011001 to decimal 
评分规则: 【 19
】

4、 问题:Gray code is one kind of reliability code. True or False?
评分规则: 【 True
】

5、 问题:What is the ASCII representation for the character $?
评分规则: 【 0100010
】

【作业】Part 1 Basic concepts Part_01_4 Logic Gates

1、 问题:Perform the following binary additions: 1101+1010
评分规则: 【 10111
】

2、 问题:Perform the following binary addition:10111+01101
评分规则: 【 100100
】

3、 问题:TRUE/FALSE:An inverter performs the NOR operations.An AND gate can have only two inputs.If any input to an OR is 1, the output is 1.If all inputs to an AND gate are 1, the output is 0.A NAND gate has an output that is opposite the output of an AND gate.   6. A NOR gate can be considered as an OR gate followed by an inverter.   7. The output of an exclusive-OR is 0 if the inputs are opposite.   8. Two types of fixed-function logic integrated circuits are bipolar and NMOS.   9.  A fixed-function IC comes with logic functions that cannot be programmed in and cannot be altered.  10. MSI is short for Medium Scale Integration.  
评分规则: 【 FALSE (2)FALSE (2)TRUE  (2)FALSE (2)TRUE (2)TRUE (2)FALSE (2)FALSE (2)TRUE(2)   10. TRUE(2)
】

4、 问题:When the input to an inverter is HIGH, the output is (a) HIGH or 1(b) LOW or 1(c) HIGH or 0(d) LOW or 0
评分规则: 【 d
】

5、 问题:The output an AND gate with inputs A,B, and C is a 1(HIGH) when(a) A=1,B=1,C=1     (b) A=0,B=0,C=1(c) A=0,B=0,C=0
评分规则: 【 a
】

6、 问题:The output of an OR gate with inputs A,B, and C is a 1 (HIGH) when(a)A=1,B=1,C=1(b)A=0,B=0,C=1(c) A=0,B=0,C=0.(d) answers (a), (b), and (c)(e) only answers (a) and (b)
评分规则: 【 e
】