The number of FF required for a divide by 12 circuit is

Consider the following statements in connection with CMOS inverter in figure where both the MOSFET are of enhancement type and both have a threshold voltage of 2 V
statements 1: T₁ conducts when v_i ≥ 2 V
statements 2: T₁ is always in saturation when v₀ = 0 V
Which of the following is correct?

Most of the digital computers do not have floating-point hardware because

Schmitt trigger can be used as a

11101₂ x 10001₂ =