(Answered): digital logic 8,4, -2, -1 Table 1.5 Four Different Binary Codes for the Decimal Digits Decimal BCD D ...

8,4, -2, -1 Table 1.5 Four Different Binary Codes for the Decimal Digits Decimal BCD Digit 8421 2421 Excess-3 0 0000 0000 0011 1 0001 0001 0100 2 0010 0010 0101 3 0011 0011 0110 4 0100 0100 0111 5 0101 1011 1000 6 0110 1100 1001 7 0111 1101 1010 8 1000 1110 1011 9 1001 1111 1100 0000 0111 0110 0101 0100 1011 1010 1001 1000 1111 Unused bit 1010 1011 1100 1101 1110 1111 combi- nations 0101 0110 0111 1000 1001 1010 0000 0001 0010 1101 1110 1111 0001 0010 0011 1100 1101 1110 4.8 Design a code converter that converts a decimal digit from (a)* The 8,4-2, -1 code to BCD (see Table 1.5). (HDL-see Probler (b) The 8,4,-2, -1 code to Gray code.