Question: W Problem 3. (20 Points) Braille is a system which allows a blind person to read alphanumerics by feeling a pattern of raised dots. Design

W Problem 3. (20 Points) Braille is a system which allows

W Problem 3. (20 Points) Braille is a system which allows a blind person to read alphanumerics by feeling a pattern of raised dots. Design a circuit that converts BCD to Braille. The table shows the correspondence between BCD and Braille. (a) Use a multiple-output NAND-gate circuit. A B C D (b) Specify the connection pattern for the PLA. 0 0 0 0 0 0 0 1 B C D 0 0 1 0 0 0 1 1 0 1 0 0 0 1 0 1 0 1 1 0 0 1 1 1 1 0 0 0 1 0 0 1 1 W X Y Z

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