2024智慧树网课答案 Digital Logic Circuits 数字逻辑电路 最新完整智慧树知到满分章节测试答案

第一章 单元测试

1、 问题:

The number of values that can be assigned to a bit are (     )

选项：
A:one
B:two
C:three
D:ten
答案: 【
two
】

2、 问题:

Compared to analog systems, digital systems (     )

选项：
A:are less prone to noise
B: can represent an infinite number of values
C:can handle much higher power
D: all of the above
答案: 【
are less prone to noise
】

3、 问题:

The term bit means (     )

选项：
A:a small amount of data
B:a 1 or a 0
C:binary digit
D: both answers (b) and (c)
答案: 【
 both answers (b) and (c)
】

4、 问题:

A quantity has continuous value is (     )

选项：
A:a digital quantity
B:an analog quantity
C:a binary quantity
D:a natural quantity
答案: 【
an analog quantity
】

5、 问题:

Verilog HDL is a (     )

选项：
A:logic device
B: hardware
C:computer language
D:programming logic device
答案: 【
computer language
】

6、 问题:

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、 问题:

Data are information only in numeric.

选项：
A:对
B:错
答案: 【
错
】

8、 问题:

Two broad types of digital integrated circuits are fixed-function and programmble.

选项：
A:对
B:错
答案: 【
对
】

9、 问题:

The nonrecurring engineering (NRE) cost for an ASIC design is normally low.

选项：
A:对
B:错
答案: 【
错
】

10、 问题:

There is an “invalid” region between the input ranges for logic 0 and logic 1

选项：
A:对
B:错
答案: 【
对
】

第二章 单元测试

1、 问题:

For the binary number 10000, the weight of the column with the 1 is (     )

选项：
A: 4
B:16
C:8
D:10
答案: 【
16
】

2、 问题:

The 2’s complement of 1000 is (     )

选项：
A:0111
B:1000
C:1001
D:1010
答案: 【
1000
】

3、 问题:

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、 问题:

The number 1100 in BCD is (     )

选项：
A: equal to decimal eight
B:equal to decimal ten
C:equal to decimal twelve
D:invalid
答案: 【
invalid
】

5、 问题:

An example of an unweighted code is (     )

选项：
A:binary
B:decimal
C:BCD
D:Gray code
答案: 【
Gray code
】

6、 问题:

An example of an alphanumeric code is (     )

选项：
A:hexadecimal
B:ASCII
C:BCD
D:CRC
答案: 【
ASCII
】

7、 问题:

The overflow occurs when adding the following 8-bit two’s complement number:

01011101+00110001

选项：
A:对
B:错
答案: 【
对
】

8、 问题:

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、 问题:

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:对
B:错
答案: 【
错
】

10、 问题:

An addition overflows if the addends’ signs are the same but the sum’s sign is different from the addends’.

选项：
A:对
B:错
答案: 【
对
】

第三章 单元测试

1、 问题:

The Boolean expression A ^. 1 is equal to (     ).

选项：
A:A
B:B
C:0
D:1
答案: 【
A
】