Attenuator
Comparator
Up/down counter
Modulator
IC 7404
IC 7447
IC 7493
IC 7495
Analog values
Digital values
Decimal values
Alphanumeric values
Binary Coded Decimal
Bit Coded Decimal
Byte Coded Decimal
Beep Code Decimal
Parallel Out Parallel In
Physical In Physical Out
Parallel In Parallel Out
Physical out Physical In