Converting signed decimals to binary, and some to two\'s complent, all to 5 bina

Question

Converting signed decimals to binary, and some to two's complent, all to 5 binary digits) -5 and -4. The 2's complement of +5 and +4, and lastly, 10110110 is the 2's complement of what decimal? If possible, show how you converted these numbers. Thank you! Converting signed decimals to binary, and some to two's complent, all to 5 binary digits) -5 and -4. The 2's complement of +5 and +4, and lastly, 10110110 is the 2's complement of what decimal? If possible, show how you converted these numbers. Thank you! -5 and -4. The 2's complement of +5 and +4, and lastly, 10110110 is the 2's complement of what decimal? If possible, show how you converted these numbers. Thank you!

Explanation / Answer

-5 :
    5 = 00101 in binary, We take its two complement to get -5.
    Therefore answer is 11011

-4 :
    4 = 00100 in binary, We take its two complement to get -4.
    Therefore answer is 11100

Two's Complement of +5 and +4 :

    method : Flip all binary digits and add 1.
     5 : 11011
     4 : 11100

10110110 is two complement of :

    We take two complement again to find the number :
     01001001 + 1 = 01001010 = 74

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