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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.
What is the range of numbers that can be encoded in 4 bits using 2s complement notation?
Using 4 bits the signed range of numbers is -8 to 7. When working with signed numbers one bit is the sign bit, thus with 4 bits this leaves 3 bits for the value. With 3 bits there are 8 possible values, which when using 2s complement have ranges: for non-negative numbers these are 0 to 7; for negative numbers these are -1 to -8. Thus the range for signed 4 bit numbers is -8 to 7.
A convenient way to writing very large or very small numbers is called?
Scientific Notation
What are methods of communicating information to large numbers of people called?
Mass Media
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.
