The threshold voltage for each transistor in Fig.2.5, is 2V. For this circuit to work as an inverter, Vi must take the values

Figure shows a mod-K counter, Here K is equal to

Two 2' s complement numbers having sign bits x and y added and the sign bit of the result is z. Then, the occurrence of overflow is indicated by the Boolean function.

An equivalent 2’s complement representation of the 2’s complement number 1101 is