呸污胖胶叫荷煌识斤怖肮书函
对应课程:点击查看
起止时间:2021-09-14到2022-01-15
更新状态:每周周末更新
chapter 1 Introductory Concepts number system self-test
1、 Convert the binary number 1111.001 to the hexadecimal number.
答案: F.2
2、 Convert the decimal number 30 to the binary number.
答案: 11110
3、 Convert the binary number 1011001 to the decimal number.
答案: 89
4、 Convert the decimal number 96.75 to the binary number.
答案: 110.11
5、 Convert the hexadecimal number D8 to the binary number.
答案: 10111000
6、 Convert the binary number 1001111011110011100 to the hexadecimal number.
答案: 4F79C
7、 Convert the binary number 10010001 to the decimal number.
答案: 145
8、 What weight does digit 7 have in the Decimal number 6723 number.
答案: 100
chapter 1 Introductory Concepts codes self-test
1、 (18){D}=( ){BCD}
答案: 00011000
2、 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、 （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、 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、 The ASCII character for “d” is 1100100. What is the correct bit to append to make it have odd parity?
答案: 0
6、 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、 Choose the correct output logic function expression of X.
A:High
B:Low
C:AB+CD+EF
D:ABCDEF
答案: ABCDEF
2、 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 ( )
A:1
B:0
C:A
D:
答案:
3、 The outputs of multiple tri-state gates could be connected together directly under the condition that （ ）
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、 Determine the output state of the CMOS gate in the Figure.
A:High
B:Low
C:X
D:Z
答案: Z
5、 Determine the output state of the TTL gate in the Figure.
A:Low
B:High
C:X
D:Z
答案: High
6、 1. Choose the logic expression for the circuit in the Figure.
A:
B:
C:
D:
答案:
7、 Determine the output state of the TTL gate in the Figure.
A:Low
B: High
C: X
D:Z
答案: Low
8、 Determine the output state of the CMOS gate in the Figure.
A: High
B:Low
C:X
D:Z
答案: High
9、
A:OR gate
B:AND gate
C:NOR gate
D:XNOR gate
答案: XNOR gate
10、 1.The truth table for a 2-input AND gate is ( )
A:
B:
C:
D:
答案:
11、 an open TTL NOR gate input act as ?
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、 Which gate(s) need(s) external power and resistor when in usage?
A:OC
B:OD
C:tri-state
D:three-state
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