The rightmost digit represents how many 1s (in this example 1) 1
The next digit left represents how many 2s (in this example 1) 2
The next digit left represents how many 4s (in this example 0) 0
The next digit left represents how many 8s (in this example 1) 8
The next digit left represents how many 16s (in this example 1) 16
The next digit left represents how many 32s (in this example 1) 32
The next digit left represents how many 64s (in this example 1) 64
Total 123
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0X at the beginning represent a number in the hexadecimal system of units. FFFF is the hexadecimal equivalent of i) 65535 in decimal system of units ii) 1111111111111111 in binary system of units
I'm pretty sure binary is just 1's and 0's
31 in the binary system is 11111.
All numbers can be represented in a binary number system. Binary is the base 2 number system, meaning that there 2 possible values per place: 0 and 1. A decimal system allows for 10: 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9. In a decimal system, you carry out and add a space once you pass 9. Thus, you end up with a 1 in the second place and a 0 in the first. The first space then counts up again. Similarly, a binary system adds a place when it reaches 2. In a decimal system, there are 10x numbers which can be represented by a system with x places. In binary, there are 2x possible numbers. If the number of places is infinite, an infinite number of values can be represented. Negative numbers can be represented in a variety of ways, from a dash as is commonly used in decimal to a 2's complement to a sign bit (i.e. a 1 or a 0 which will tell the reader or the machine the sign of the number).
binary system