A binary code that progresses such that only one bit changes between two success

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Question
A binary code that progresses such that only one bit changes between two successive codes is _________.
Options
A. 9's complement code
B. excess-3 code
C. 8421 code
D. gray code

Correct Answer

gray code

Number Systems and Codes problems

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1. The binary coded decimal (BCD) code is a system that represents each of the 10 decimal digits as a(n) ____________.
Options
A. 4-bit binary code
B. 8-bit binary code
C. 16-bit binary code
D. ASCII code

Discuss

Correct Answer: 4-bit binary code

2. Base is the same as radix.
Options
A. True
B. False

Discuss

Correct Answer: True

Explanation:

In mathematical numeral systems, the base or radix for the simplest case is the number of unique digits, including zero, that a positional numeral system uses to represent numbers. For example, for the decimal system (the most common system in use today) the radix is ten, because it uses the ten digits from 0 through 9. In any numeral system, the base is written as "10". In a base ten numeral system, "10" represents the number ten; in a base two system, "10" represents the number two.

3. 64 hexadecimal equals 100 decimal.
Options
A. True
B. False

Discuss

Correct Answer: True

4. The addition 1 + 0 doesn't generate a carry bit; one does not exist.
Options
A. True
B. False

Discuss

Correct Answer: False

5. Decimal numbers can be converted into binary by dividing by two and recording the remainders.
Options
A. True
B. False

Discuss

Correct Answer: True

6. A binary number's value changes most drastically when the ____ is changed.
Options
A. LSB
B. duty cycle
C. MSB
D. frequency

Discuss

Correct Answer: MSB

7. Digital electronics is based on the _________ numbering system.
Options
A. decimal
B. hexadecimal
C. binary
D. octal

Discuss

Correct Answer: binary

8. The __________ code is a nonweighted binary code.
Options
A. excess-3
B. gray
C. multibit
D. minival

Discuss

Correct Answer: gray

9. A BCD code that represents each digit of a decimal number by a binary number derived by adding 3 to its 4-bit true binary value is _________.
Options
A. 9's complement code
B. excess-3 code
C. 8421 code
D. gray code

Discuss

Correct Answer: excess-3 code

10. The associative law of addition states that A + (B + C) = (A + B) + C.
Options
A. True
B. False

Discuss

Correct Answer: True

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A binary code that progresses such that only one bit changes between two successive codes is _________.

Number Systems and Codes problems

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