hw4sol - BCD = (378.75) 10 = (101111010.11) 2 5. Mano/Kime...

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1 ECE 2030F Fall 2007 Homework 4 Solution (Total 100 Points) 1. Mano/Kime 3 rd Ed. 4-11 (10 points) Truth table of a decimal-to-binary priority decoder (assume that 9 is the highest priority and V indicates a valid output): Decimal Inputs 9 8 7 6 5 4 3 2 1 0 Binary Outputs A 3 A 2 A 1 A 0 V 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 x 0 0 0 0 0 0 0 1 x x 0 0 0 0 0 0 1 x x x 0 0 0 0 0 1 x x x x 0 0 0 0 1 x x x x x 0 0 0 1 x x x x x x 0 0 1 x x x x x x x 0 1 x x x x x x x x 1 x x x x x x x x x x x x x 0 0 0 0 0 1 0 0 0 1 1 0 0 1 0 1 0 0 1 1 1 0 1 0 0 1 0 1 0 1 1 0 1 1 0 1 0 1 1 1 1 1 0 0 0 1 1 0 0 1 1 2. Mano/Kime 3 rd Ed. 4-18 (4 th Ed. 3-41) (20 points) 3. Mano/Kime 3 rd Ed. 1-7 (4 th Ed. 1-9) (20 points) Decimal Binary Octal Hexadecimal 369.3125 101110001.0101 561.24 171.5 189.625 10111101.101 275.5 BD.A 214.625 11010110.101 326.5 D6.A 62407.625 1111001111000111.101 171707.5 F3C7.A
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2 4. Mano/Kime 3 rd Ed. 1-16 (4 th Ed. 1-18) (10 points) a) (0100 1000 0110 0111) BCD = (4867) 10 = (1001100000011) 2 b) (0011 0111 1000.0111 0101)
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Unformatted text preview: BCD = (378.75) 10 = (101111010.11) 2 5. Mano/Kime 3 rd Ed. 1-17 (similar to 4 th Ed. 1-26) (10 points) Decimal 16 17 18 19 20 21 22 23 Odd 10000 0 10001 1 10010 1 10011 0 10100 1 10101 0 10110 0 10111 1 Even 10000 1 10001 0 10010 0 10011 1 10100 0 10101 1 10110 1 10111 0 Decimal 24 25 26 27 28 29 30 31 Odd 11000 1 11001 0 11010 0 11011 1 11100 0 11101 1 11110 1 11111 0 Even 11000 0 11001 1 11010 1 11011 0 11100 1 11101 0 11110 0 11111 1 6. Mano/Kime 3 rd Ed. 1-20 (4 th Ed. 1-22) (10 points) From Table 1-5, complementing the 6 th bit will switch an uppercase letter to a lower case letter and vice versa. 7. Mano/Kime 3 rd Ed. 5-2 (4 th Ed. 4-2) (20 points) 2 1 4 2 1 2 3 1 C B A ) B A B (A C )) B )(A B A ( ( C )) B (A B A ( C ) T T ( C T C S C B C A B A ) B )(A C B (A B A C ) B A ( B A C B A T C T T T C ⊕ ⊕ = + ⊕ = + + ⊕ = + ⊕ = ⊕ = ⊕ = + + = + + = + + = + + = + = + =...
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This note was uploaded on 06/17/2008 for the course ECE 2030 taught by Professor Wolf during the Fall '07 term at Georgia Tech.

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hw4sol - BCD = (378.75) 10 = (101111010.11) 2 5. Mano/Kime...

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