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4 cards from this section. Quick, good the night before a test.
What is the range of an 8-bit unsigned integer?
Consider how many unique combinations you can make with 8 bits.
Convert the binary number '00101001' to decimal.
Start from the rightmost bit and calculate values based on powers of 2.
What is the hexadecimal representation of decimal 255?
Remember, hexadecimal combines four bits into one symbol.
True or False: Two's complement allows for two representations of zero.
Think about how each system handles negative values.
Convert the decimal number -75 into an 8-bit two's complement representation.
Remember to find the standard binary representation first.
What would be the result of adding -128 and 1 in an 8-bit two's complement system?
Work carefully through your binary addition and note the overflow.
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