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Question

In binary system the highest value of a 8-bit number is


A
255
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B
256
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C
253
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D
none of these
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Solution

The correct option is A 255

In binary system the highest value of a 8-bit number is 255.

8 bits is 11111111, or 255 in decimal notation.

A byte can hold 2 (binary) ^ 8 numbers ranging from 0 to 2^8-1 = 255.

A binary number is a number expressed in the base-2 numeral system or binary numeral system, which uses only two symbols: typically 0 (zero) and 1 (one).




Physics

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