Signed Binary Integers (word-length =4):Sign-magnitude, 1's complement, 2's complement

decimal sign & 2's comp. 1's comp.

mag N* N'

-0 1000 N/A 1111

-1 1001 1111 1110

-2 1010 1110 1101

-3 1011 1101 1100

-4 1100 1100 1011

-5 1101 1011 1010

-6 1110 1010 1001

-7 1111 1001 1000

-8 N/A 1000 N/A

decimal all

systems

• 0000

• 0001

• 0010

• 0011

• 0100

• 0101

• 0110

• 0111

• N/A

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