Counter Fundamentals Presented by : Computer and Electronics Engineering Department University of Nebraska - Lincoln
Binary Count B A Decimal 0 0 0 1 1 1 0 2 1 1 3
Binary Count C B A Decimal 0 0 0 0 0 1 1 0 1 0 2 0 1 1 3 1 0 0 4 1 0 1 0 0 1 1 0 1 0 2 0 1 1 3 1 0 0 4 1 0 1 5 1 1 0 6 1 1 1 7
Binary D C B A Decimal 0 0 0 0 1 0 0 0 8 0 0 0 1 1 1 0 0 1 9 0 0 1 0 2 1 0 1 0 10 (A) 0 0 1 1 3 1 0 1 1 11 (B) 0 1 0 0 4 1 1 0 0 12 ( C) 0 1 0 1 5 1 1 0 1 13 (D) 0 1 1 0 6 1 1 1 0 14 (E) 0 1 1 1 7 1 1 1 1 15 (F)
Binary Coded Decimal (BCD) D C B A Decimal 0 0 0 0 0 0 0 1 1 0 0 1 0 2 0 0 1 1 3 0 1 0 0 4 0 1 0 1 5 0 1 1 0 6 0 1 1 1 7 1 0 0 0 8 1 0 0 1 9
7 Segment Displays Display a “2” a b c d e f g Code Segments Digit