2023知到答案 Digital Logic Circuits 数字逻辑电路 完整智慧树网课章节测试答案
第一章 单元测试
1、单选题:
The number of values that can be assigned to a bit are ( )
选项:
A:three
B:ten
C:two
D:one
答案: 【two】
2、单选题:
Compared to analog systems, digital systems ( )
选项:
A:are less prone to noise
B:can handle much higher power
C:all of the above
D:can represent an infinite number of values
答案: 【are less prone to noise】
3、单选题:
The term bit means ( )
选项:
A:a 1 or a 0
B:a small amount of data
C:both answers (b) and (c)
D:binary digit
答案: 【both answers (b) and (c)】
4、单选题:
A quantity has continuous value is ( )
选项:
A:a binary quantity
B:a digital quantity
C:an analog quantity
D:a natural quantity
答案: 【an analog quantity】
5、单选题:
Verilog HDL is a ( )
选项:
A:hardware
B:programming logic device
C:logic device
D:computer language
答案: 【computer language】
6、判断题:
A category of digital integrated circuits having functions that can be altered is known as fixed-function logic.
选项:
A:对
B:错
答案: 【错】
7、判断题:
Data are information only in numeric.
选项:
A:对
B:错
答案: 【错】
8、判断题:
Two broad types of digital integrated circuits are fixed-function and programmble.
选项:
A:错
B:对
答案: 【对】
9、判断题:
The nonrecurring engineering (NRE) cost for an ASIC design is normally low.
选项:
A:对
B:错
答案: 【错】
10、判断题:
There is an “invalid” region between the input ranges for logic 0 and logic 1
选项:
A:错
B:对
答案: 【对】
第二章 单元测试
1、单选题:
For the binary number 10000, the weight of the column with the 1 is ( )
选项:
A:10
B:8
C:16
D:4
答案: 【16】
2、单选题:
The 2’s complement of 1000 is ( )
选项:
A:0111
B:1001
C:1010
D:1000
答案: 【1000】
3、单选题:
The fractional binary number 0.11 has a decimal value of ( )
选项:
A:¼
B:½
C:¾
D:none of the above
答案: 【¾】
4、单选题:
The number 1100 in BCD is ( )
选项:
A:equal to decimal ten
B:equal to decimal eight
C:invalid
D:equal to decimal twelve
答案: 【invalid】
5、单选题:
An example of an unweighted code is ( )
选项:
A:binary
B:Gray code
C:decimal
D:BCD
答案: 【Gray code】
6、单选题:
An example of an alphanumeric code is ( )
选项:
A:hexadecimal
B:BCD
C:ASCII
D:CRC
答案: 【ASCII】
7、判断题:
The overflow occurs when adding the following 8-bit two’s complement number: 01011101+00110001
选项:
A:错
B:对
答案: 【对】
8、判断题:
The overflow does NOT occur when adding the following 8-bit two’s complement number:10111111+11011111
选项:
A:对
B:错
答案: 【对】
9、判断题:
In general, we need at most bits to express the product when multiplying an n-bit number by an m-bit number.
选项:
A:错
B:对
答案: 【错】
10、判断题:
An addition overflows if the addends’ signs are the same but the sum’s sign is different from the addends’.
选项:
A:错
B:对
答案: 【对】