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How many bits are needed to represent the decimal number 200?
8 (assuming unsigned numbers - i.e., you don't reserve a bit for the sign).
What is the binary range in decimal of a byte?
Nobody knows what you are talking about, but if you mean what the biggest number is in a byte, it is 255 or 127. The former is only for unsigned, while the latter is the maximun if the byte is signed. If you mean how many numbers can be represented, it is 256 or 128. Again, the former is if it is unsigned and the latter is if it is signed.
How many binary bits are necessary to represent 748 different numbers?
Binary bits are necessary to represent 748 different numbers in the sense that binary bits are represented in digital wave form. Binary bits also have an exponent of one.
How many decimal numbers can be represented by 8-bits?
256 in total - including zero.
How many numbers can you represent with 4 bits?
With 4 bits, you can represent 2^4 or 16 different numbers. This is because each bit can have 2 possible values (0 or 1), so with 4 bits you have 2 x 2 x 2 x 2 = 16 possible combinations. These numbers range from 0 to 15 in decimal representation.
