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Which of the following is not a valid hexadecimal number?
- a)ACED
- b)GFAB
- c)DFFC
- d)1508
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Which of the following is not a valid hexadecimal number?a)ACEDb)GFABc...
Explanation:
Hexadecimal numbers are base-16 numbers, which means they use 16 different digits to represent numbers from 0 to 15. The valid hexadecimal digits are 0-9 and A-F, where A represents 10, B represents 11, and so on.
Let's analyze each option to determine which one is not a valid hexadecimal number:
a) ACED - This is a valid hexadecimal number because it only contains the valid digits A, C, E, and D.
b) GFAB - This is not a valid hexadecimal number because G is not a valid hexadecimal digit. The valid digits are 0-9 and A-F.
c) DFFC - This is a valid hexadecimal number because it only contains the valid digits D, F, and C.
d) 1508 - This is a valid hexadecimal number because it only contains the valid digits 1, 5, 0, and 8.
Therefore, the answer is option 'B' (GFAB) because it contains an invalid hexadecimal digit.
Summary:
- Hexadecimal numbers use 16 different digits to represent numbers from 0 to 15.
- The valid hexadecimal digits are 0-9 and A-F.
- Option 'B' (GFAB) is not a valid hexadecimal number because it contains the invalid digit G.
Hexadecimal numbers are base-16 numbers, which means they use 16 different digits to represent numbers from 0 to 15. The valid hexadecimal digits are 0-9 and A-F, where A represents 10, B represents 11, and so on.
Let's analyze each option to determine which one is not a valid hexadecimal number:
a) ACED - This is a valid hexadecimal number because it only contains the valid digits A, C, E, and D.
b) GFAB - This is not a valid hexadecimal number because G is not a valid hexadecimal digit. The valid digits are 0-9 and A-F.
c) DFFC - This is a valid hexadecimal number because it only contains the valid digits D, F, and C.
d) 1508 - This is a valid hexadecimal number because it only contains the valid digits 1, 5, 0, and 8.
Therefore, the answer is option 'B' (GFAB) because it contains an invalid hexadecimal digit.
Summary:
- Hexadecimal numbers use 16 different digits to represent numbers from 0 to 15.
- The valid hexadecimal digits are 0-9 and A-F.
- Option 'B' (GFAB) is not a valid hexadecimal number because it contains the invalid digit G.
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Community Answer
Which of the following is not a valid hexadecimal number?a)ACEDb)GFABc...
Concept:
The radix or base of a number system is defined as the number of different digits which can occur in each position in the number system
Application:
For hexadecimal number system base is 16 hence there are 16 different digits from (0 - F)
Any number containing digit greater than F is invalid hexadecimal number.
So, GFAB is invalid hexadecimal number
Any number containing digit greater than F is invalid hexadecimal number.
So, GFAB is invalid hexadecimal number
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Which of the following is not a valid hexadecimal number?a)ACEDb)GFABc)DFFCd)1508Correct answer is option 'B'. Can you explain this answer?
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