Explanation Given information: A BCD (8421) numbers 1001 0011. Calculation: BCD number system uses 2 symbols: The numbers are 0 and 1. And a decimal number system uses the number 10 as its base i.e. it has 10 symbols; decimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9. Binary numbers are represented as from decimal number BCD (8421) 0000 0001 0010 0011 0100 0101 0110 0111 1000 1001 Decimal 0 1 2 3 4 5 6 7 8 9 Each decimal digit consists of 4 BCD digits. For example decimal number 9 is equal to BCD number 1001. For converting integer part of BCD numbers into decimal numbers write down the BCD numbers and represent four binary digits from right by its decimal digit from the table. Then combine all the digits together. For converting fractional part of BCD numbers into decimal numbers write down the BCD numbers and represent four binary digits from left by its decimal digit from the table. Then combine all the digits together. Finally decimal number is combination of both integer and fractional part. Decimal digits are equal to the summation of 2 n where n = 0, 1, 2 and 3 (position from right) For example 9 = 2 3 +2 0 ; in this example 2 1 and 2 2 is not exist so at position 1 and 2 binary digit is zero and at position 0 and 3 binary digit is one; for example decimal of BCD 1001 is The decimal number is equal to the summation of binary digits d n × 2 n Divide the binary number into block of four digits if four digits are not exist the add additional zero in binary number for example 11 is written as 0011 and .11 is written as .1100 Decimal of BCD number 1001 0011 is (Starting from right for integer part and starting from left for fractional part) B C D n u m b e r = 1001 0011 → t w o d e c i m a l d i g i t s a r e e x i s t f i r s t d e c i m a l d i g i t = 1 × 2 3 + 0 ×

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Chapter 86, Problem 18A

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Ch. 86 - Prob. 1A Ch. 86 - Prob. 2A Ch. 86 - Prob. 3A Ch. 86 - Prob. 4A Ch. 86 - Prob. 5A Ch. 86 - Prob. 6A Ch. 86 - Prob. 7A Ch. 86 - Prob. 8A Ch. 86 - Prob. 9A Ch. 86 - Express the following decimal numbers as BCD...

Ch. 86 - Prob. 11A Ch. 86 - Prob. 12A Ch. 86 - Prob. 13A Ch. 86 - Prob. 14A Ch. 86 - Prob. 15A Ch. 86 - Prob. 16A Ch. 86 - Prob. 17A Ch. 86 - Prob. 18A Ch. 86 - Prob. 19A Ch. 86 - Prob. 20A Ch. 86 - Prob. 21A Ch. 86 - Express the following BCD (8421) numbers as...Ch. 86 - Express the following decimal numbers as 2421 code...Ch. 86 - Prob. 24A Ch. 86 - Prob. 25A Ch. 86 - Prob. 26A Ch. 86 - Prob. 27A Ch. 86 - Express the following 2421 code numbers as decimal...Ch. 86 - Prob. 29A Ch. 86 - Prob. 30A Ch. 86 - Express the following decimal numbers as 5211 code...Ch. 86 - Prob. 32A Ch. 86 - Express the following decimal numbers as 5211 code...Ch. 86 - Prob. 34A Ch. 86 - Prob. 35A Ch. 86 - Prob. 36A Ch. 86 - Prob. 37A Ch. 86 - Prob. 38A Ch. 86 - Prob. 39A Ch. 86 - Prob. 40A Ch. 86 - Prob. 41A Ch. 86 - Express the following decimal numbers as Excess-3...Ch. 86 - Prob. 43A Ch. 86 - Prob. 44A Ch. 86 - Prob. 45A Ch. 86 - Prob. 46A

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Conversion of BCD (8421) numbers 1001 0011 to a decimal numbers.

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