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Q: How many different values can 128 bits represent?

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There are 256 possible values (or characters) in 8 bits.

1200

how many bits are needed to represent decimal values ranging from 0 to 12,500?

65,536

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.

32 values. 2^5=32

2^12=4096

4 bits. 24 = 16, so you have 16 different combinations.4 bits. 24 = 16, so you have 16 different combinations.4 bits. 24 = 16, so you have 16 different combinations.4 bits. 24 = 16, so you have 16 different combinations.

If you mean "64 different characters", you need log2(64) = 6 different bits.

4, which is equal to 2 to the power 2.In general, with "n" bits, you can have "2 to the power n" different states (or represent that many different numbers).

8 bits to one byte

2 raised to the 8th power, or "2^8", or 256.

Eight bits to the octet. The values are 0-255.

8 bits if unsigned, 9 bits if signed

16 bits. Java char values (and Java String values) use Unicode.

16 bits. Java char values (and Java String values) use Unicode.

23 can be represented in binary as 10111 and would therefore require 5 bits to represent.

24, or 16 (0 through 15) One binary digit (bit) can have 21 values (0 or 1). Two bits can have 22 values. Three bits can have 23 values. A five-bit number can have 25 values... and so on...

Two: '0' or '1'

12

16 of them.

Using 8 bits per pixel, how can represent 256, or 28 shades

16 bits per block

Most modern digital cameras use 24 bits (8 bits per primary) to represent a color. But more or less can be used, depending on the quality desired. Many early computer graphics cards used only 4 bits to represent a color.

256