Digital Electronics - Digital Arithmetic Operations and Circuits - Discussion
Discussion Forum : Digital Arithmetic Operations and Circuits - General Questions (Q.No. 42)
                   
                                       
                                42.
Convert each of the signed decimal numbers to an 8-bit signed binary number (two's-complement).
+7 –3 –12
 
                                    +7 –3 –12
Discussion:
1 comments Page 1 of 1.
                
                        Shruthi said: 
                         
                        1 decade ago
                
                +7 => 00000111.
-3=>for -ve sign the 1st four digit should be 1111 and the 3 becomes 0011 in binary. Take 2's complement of 3. We will get 1101.
i.e 3=>0011.
1's complement => 1100.
2's complement => 1101.
                -3=>for -ve sign the 1st four digit should be 1111 and the 3 becomes 0011 in binary. Take 2's complement of 3. We will get 1101.
i.e 3=>0011.
1's complement => 1100.
2's complement => 1101.
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