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Hexadecimal to Decimal Conversion Video Lecture | Digital Electronics - Electrical Engineering (EE)

Q: 2. Can you provide an example of converting a longer hexadecimal number to decimal?

Ans. Sure! Let's convert the hexadecimal number '2F8A' to decimal. We multiply each digit by the corresponding power of 16 and sum up the results: (2 * 16^3) + (15 * 16^2) + (8 * 16^1) + (10 * 16^0) = 8192 + 3840 + 128 + 10 = 12170.

Q: 3. Is there a shortcut to convert a hexadecimal number to decimal?

Ans. Yes, there is a shortcut called the 'hexadecimal to decimal conversion table.' This table provides pre-calculated decimal values for each hexadecimal digit (0-9 and A-F). By looking up the decimal values for each digit and combining them, you can quickly convert a hexadecimal number to decimal without performing the individual calculations.

FAQs on Hexadecimal to Decimal Conversion Video Lecture - Digital Electronics - Electrical Engineering (EE)

1. How do you convert a hexadecimal number to decimal?

Ans. To convert a hexadecimal number to decimal, you need to multiply each digit of the hexadecimal number by the corresponding power of 16 and then sum up the results. For example, to convert the hexadecimal number "A3" to decimal, you would multiply 10 (A in hexadecimal) by 16^1 and 3 by 16^0, then add the results: (10 * 16^1) + (3 * 16^0) = 160 + 3 = 163.

2. Can you provide an example of converting a longer hexadecimal number to decimal?

Ans. Sure! Let's convert the hexadecimal number "2F8A" to decimal. We multiply each digit by the corresponding power of 16 and sum up the results: (2 * 16^3) + (15 * 16^2) + (8 * 16^1) + (10 * 16^0) = 8192 + 3840 + 128 + 10 = 12170.

3. Is there a shortcut to convert a hexadecimal number to decimal?

Ans. Yes, there is a shortcut called the "hexadecimal to decimal conversion table." This table provides pre-calculated decimal values for each hexadecimal digit (0-9 and A-F). By looking up the decimal values for each digit and combining them, you can quickly convert a hexadecimal number to decimal without performing the individual calculations.

4. Can you convert a decimal number to hexadecimal?

Ans. Yes, you can convert a decimal number to hexadecimal by repeatedly dividing the decimal number by 16 and noting down the remainders. The remainders will form the hexadecimal digits, and the final hexadecimal number will be the reverse order of the remainders. For example, to convert the decimal number 144 to hexadecimal, we divide 144 by 16, which gives a quotient of 9 and a remainder of 0. We then divide the quotient 9 by 16, which gives a quotient of 0 and a remainder of 9. Therefore, the hexadecimal representation of 144 is 90.

5. What is the significance of hexadecimal numbers in computer systems?

Ans. Hexadecimal numbers are widely used in computer systems because they provide a convenient way to represent binary numbers. Each hexadecimal digit corresponds to exactly four binary digits (bits), making it easier to represent and understand large binary numbers. Additionally, hexadecimal numbers are commonly used in computer programming and debugging to represent memory addresses, machine instructions, and data values.

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Sep 03, 2025 Last updated

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