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It doesn't. 82 base 10 = 101 0010 base 2
1010 base 2 = 10 base 10 1010 base 10 = 11 1111 0010 base 2
E2 in hex is 1110 0010 in binary
You need to separate the binary number into groups of 4 binary digit (starting from the right); then you look up each group in a conversion table. In this case, the separation is:0010 0000 So in hexadecimal, that would be: 20
234 in BCD is 0010 0011 0100
Decimal: 3 2 5 Binary: 0011 0010 0101 so 325 = 0011 0010 0101
32 in binary is 10 0000 32 in BCD (Binary Coded Decimal) is 0011 0010
0010=2 0011=48 0011 0010=50
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In BCD each digit of a decimal number is coded as a separate 4 bit binary number between 0 and 9.For example:Decimal 12 in BCD is shown as 0001 0010 (Binary 1 and Binary 2), in Binary it is 1100.
Binary for the decimal number 2 is 10 (or 0000 0010 if you want it as a byte value) ASCII code for the decimal number 2 is 50 (Dec), 34 (Hex), 062 (Oct), 0011 0010 (Bin)
BCD, which stands for Binary Coded Decimal. 4 bits are used to code each decimal digit. So we have 0000 for zero, up to 0111 for seven, then 1000 for eight and 1001 for nine. The others {ten through fifteen} are not used, as those numbers are formed from additional decimal digits. So if you wanted to form twelve, in BCD it is 0001 0010, for 12{base ten}
computer maths are the operations of adding or subtracting binary, octal or hexadecimal numbers. These operations are normally carried out while programming in assembly language. A very simple subtraction example: Take a binary number of say 1111 (equivalent to 15 in decimal) minus 0010 (equivalent to 2 in decimal) results in 1101 (equivalent to 13 in decimal).
300 = 256 + 32 + 8 + 4 = Binary 0000 0001 0010 1100
It doesn't. 82 base 10 = 101 0010 base 2
Binary Coded Decimal (BCD) is a set of coding systems for storing decimal digits in binary code. There are several such codes, I will give examples of 3: straight BCD, XS3 BCD, and 2 of 5 BCD. Straight BCD uses the actual binary value of the decimal digit value: 0 = 0000 1 = 0001 2 = 0010 3 = 0011 4 = 0100 5 = 0101 6 = 0110 7 = 0111 8 = 1000 9 = 1001 XS3 BCD adds 3 to the binary value of the decimal digit value to make the code: 0 = 0011 1 = 0100 2 = 0101 3 = 0110 4 = 0111 5 = 1000 6 = 1001 7 = 1010 8 = 1011 9 = 1100 2 of 5 BCD uses a 5 bit code where only 2 bits can be on in a decimal digit's code: 0 = 00011 1 = 11000 2 = 10100 3 = 10010 4 = 10001 5 = 01100 6 = 01010 7 = 01001 8 = 00110 9 = 00101