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#### mattfred25

i am working on my hexadecimal to binary conversions and i was trying out some examples of them
I took a hex physical address- 00-1C-DF-4C-68-AB and I had to convert it to binary pairs and this is what i got when I tried to convert it to binary pairs
00011100110111110100110001101000101010

is this right? if someone could let me know i would be happy

thank you

Matthew Frederickson

#### Frank4d

Almost. Two "1"s are missing on the right.

#### mattfred25

ok thanks... i also have another question....is the binary format right? because i was supposed to convert it into what they called binary pairs, and i just have a long string of binary digits but i don't know if they are pairs, I don't think i have ever done binary pairs, i can convert to binary but i have never heard of binary pairs.

#### Frank4d

...I don't think i have ever done binary pairs, i can convert to binary but i have never heard of binary pairs.
I have 30 years experience as electronics hardware design engineer and have never heard of the term "binary pairs" either. Maybe ask in the Networking forum.

#### TheOutcaste

By binary pair they mean the binary pair of the hexadecimal digits, meaning to pair the binary representation with the Hex digit(s) it represents. As you are converting a MAC address, which has it's Hex digits in groups of two, you would use 8 binary digits to "pair" with each group of Hex digits.
So the binary Pair for AB is 10101011.
The full binary string for 00-1C-DF-4C-68-AB would be:
00000000-00011100-11011111-01001100-01101000-10101011

A binary pair of an Octal number would be grouped in multiples of 3 digits

HTH

Jerry

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