1. Noise Margin is:

A. Amount of noise the logic circuit can withstand

B. Difference between VOH and VIH

C. Difference between VIL and VOL

D. All of the Mentioned

2. The VIL is found from the transfer characteristics of the inverter by:

A. The point where the straight line at VOH ends

B. The slope of the transition at a point at which the slope is equal to -1

C. The midpoint of the transition line

D. All of the mentioned

3. The VIH is found from the transfer characteristic of the inverter by:

A. The point where a straight line at VOH ends

B. The slope of the transition at a point at which the slope is equal to -1

C. The midpoint of the transition line

D. All of the mentioned

4. The relation between threshold voltage and Noise Margin is:

A. Vth = sqrt(Noise Margin)

B. Vth = NMH – NML

C. Vth = (NMH+NML)/2

D. None of the mentioned

5. The Lower Noise Margin is given by:

A. VOL – VIL

B. VIL – VOL

C. VIL ~ VOL(Difference between VIL and VOL, depends on which one is greater)

D. All of the Mentioned

6. The Higher Noise Margin is given by:

A. VOH – VIH

B. VIH – VOH

C. VIH ~ VOH(Difference between VIH and VOH, depends on which one is greater)

D. All of the mentioned

7. The Uncertain or transition region is between:

A. VIH and VOH

B. VIL and VOL

C. VIH and VIL

D. VOH and VOL

8. The noise immunity ____________ with noise margin.

A. Decreases

B. Increases

C. Constant

D. None of the Mentioned

9. If VIL of the 2nd gate is higher than VOL of the 1st gate, then logic output 0 from the 1st gate is considered as:

A. Logic input 1

B. Uncertain

C. Logic input 0

D. None of the mentioned

10. If VIL of the 2nd gate is lower than VOL of the 1st gate, then logic output 0 from the 1st gate is considered as:

A. Logic input 1

B. Uncertain

C. Logic input 0

D. None of the mentioned