4 Bit Adder & Subtractor Circuits using IC 7483

Objective : To study & verify truth tables of two bit half adder, two bit

half subtractor,  three and four bit full adder and full subtractor.

Specifications : instrument comprises of DC Regulated Power Supply

5V/150mA, four Logic inputs selectable using SPDT switches, four

output LED indicators, circuit diagram Printed & connections brought

out at sockets on the front panel.