How many flip-flops are required to build a binary counter circuit that can count from 0 to 255?

A CMOS inverter is composed of which pair of transistors?

The threshold voltages of PMOS and NMOS transistors are

Which of the following design styles produces a PCB (Printed Circuit Board) as the end product?

The output Y of a 2-bit comparator is logic 1 whenever the 2-bit input A is greater than the 2-bit input B. The number of such combinations is

For an 8:1 multiplexer, what will be the output when the select lines S0 = 1, S1 = 1, and S2 = 0?

Consider the input lines to be Y0, Y1, Y2, Y3, Y4, Y5, Y6, Y7.

A sequence 1011 is applied to the left shift register. The result of the shift register is then added to the sequence 1001. What is the resulting sequence?

How many modes are there in PISO mode ?

A full subtractor generates two outputs: difference and borrow. The output difference is the same as the output of which of the following?

In a 4-bit ring counter (Q0 → Q1 → Q2 → Q3 → Q0), a small change is made to the circuit. The input to Q0 is now the XOR of Q2 and Q1. Initially, the observed sequence is (Q0 Q1 Q2 Q3) 1010. What is the sequence seen at the end of 3 clock cycles?