2021 数字逻辑电路(中国计量大学)1465558462 最新满分章节测试答案

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本课程起止时间为:2021-09-14到2022-01-15
本篇答案更新状态:已完结

chapter 1 Introductory Concepts number system self-test

1、 问题:Convert the binary number 1111.001 to the hexadecimal number.
答案: 【F.2】

2、 问题:Convert the decimal number 30 to the binary number.
答案: 【11110】

3、 问题:Convert the binary number 1011001 to the decimal number.
答案: 【89】

4、 问题:Convert the decimal number 96.75 to the binary number.
答案: 【110.11】

5、 问题:Convert the hexadecimal number D8 to the binary number.
答案: 【10111000】

6、 问题:Convert the binary number 1001111011110011100 to the hexadecimal number.
答案: 【4F79C】

7、 问题:Convert the binary number 10010001 to the decimal number.
答案: 【145】

8、 问题:What weight does digit 7 have in the Decimal number 6723 number.
答案: 【100】

chapter 1 Introductory Concepts codes self-test

1、 问题:(18){D}=( ){BCD}
答案: 【00011000】

2、 问题:Give the right Gray code in the first blank. 000，001 ，* ，110,111,101,100仅需填写第一个空格的答案。第二个空格即星号是为了防止题目过于简单才挖掉的。
答案: 【011】

3、 问题:（276.8){D} = ( ){BCD}书写答案时不要留任何空格，以防自动批改出现错误！
答案: 【001001110110.1000】

4、 问题:Give the right Gray code in the first blank. 000，001，011, 010, ， * ,101,100仅需填写第一个空格的答案。第二个空格即星号是为了防止题目过于简单才挖掉的。
答案: 【110】

5、 问题:The ASCII character for “d” is 1100100. What is the correct bit to append to make it have odd parity?
答案: 【0】

6、 问题:The ASCII character for “D” is 1000100. What is the correct bit to append to make it have even parity?
答案: 【0】

chapter 2 Logic Gate and Integrated Circuit Technology Logic Gate self-test

1、 问题:Choose the correct output logic function expression of X.
选项：
A:High
B:Low
C:AB+CD+EF
D:ABCDEF
答案: 【ABCDEF】

2、 问题:One of the inputs of TTL NAND gate is connected to A, the other grounded through a resistor with 10KΩ. The output of this NAND gate is ( )
选项：
A:1
B:0
C:A
D:
答案: 【】

3、 问题:The outputs of multiple tri-state gates could be connected together directly under the condition that （ ）
选项：
A:only one can have access at any give time, and all the other sources must be disconnected from the bus.
B:none
C:the gates must be connected to an external supply and resistor.
D:forever
答案: 【only one can have access at any give time, and all the other sources must be disconnected from the bus.】

4、 问题:Determine the output state of the CMOS gate in the Figure.
选项：
A:High
B:Low
C:X
D:Z
答案: 【Z】

5、 问题:Determine the output state of the TTL gate in the Figure.
选项：
A:Low
B:High
C:X
D:Z
答案: 【High】

6、 问题:1. Choose the logic expression for the circuit in the Figure.
选项：
A:
B:
C:
D:
答案: 【】

7、 问题:Determine the output state of the TTL gate in the Figure.
选项：
A:Low
B: High
C: X
D:Z
答案: 【Low】

8、 问题:Determine the output state of the CMOS gate in the Figure.
选项：
A: High
B:Low
C:X
D:Z
答案: 【 High 】

9、 问题:
选项：
A:OR gate
B:AND gate
C:NOR gate
D:XNOR gate
答案: 【XNOR gate】

10、 问题:1.The truth table for a 2-input AND gate is ( )
选项：
A:
B:
C:
D:
答案: 【】

11、 问题:an open TTL NOR gate input act as ?
选项：
A:High Level
B:Low Level
C:unknown
D:ground
答案: 【High Level】
分析：【TTL 输入负载特性，断开相当于大电阻，因此输入等于高电平】

12、 问题:Which gate(s) need(s) external power and resistor when in usage?
选项：
A:OC
B:OD
C:tri-state
D:three-state