3 years ago

Which of the following bit patterns represents the value -9 in two’s complement notation?

Computers and Technology

1 answer:

nadya68 [22]3 years ago

5 0

Answer:

B. 11110111

Explanation:

Binary representation of number 9 = 00001001

Binary representation of -9 would involve calculating the twos complement representation of 00001001

First we compute the ones complement of this number by reversing the bits.

00001001 => 11110110

Next we calculate the twos complement representation by adding 1 to the ones complement.

11110110+1 = 11110111

So the final representation is 11110111.

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