GATE ECE 2015 Set 3 | Logic Gates Question 11 | Digital Circuits

A universal logic gate can implement any Boolean function by connecting sufficient number of them appropriately. Three gates are shown. GATE ECE 2015 Set 3 Digital Circuits - Logic Gates Question 9 English 1

GATE ECE 2015 Set 3 Digital Circuits - Logic Gates Question 9 English 1

GATE ECE 2015 Set 3 Digital Circuits - Logic Gates Question 9 English 2

Which one of the following statesments is TRUE?

Gate 1 is a universal gate.

Gate 2 is a universal gate.

Gate 3 is a universal gate.

None of the gates shown is a universal gate.

GATE ECE 2014 Set 1

MCQ (Single Correct Answer)

-0.6

The output F in the digital logic circuit shown in the figure is GATE ECE 2014 Set 1 Digital Circuits - Logic Gates Question 12 English

$$F\, = \overline X YZ + X\overline Y Z$$

$$F\, = \,\overline X \overline Y Z + XYZ$$

$$F\, = \,\overline X \overline Y \overline {Z + } XYZ$$

GATE ECE 2008

MCQ (Single Correct Answer)

-0.6

Which of the follwing Boolean expression correctly represents the relation between P, Q, R and M₁?

GATE ECE 2008 Digital Circuits - Logic Gates Question 13 English

GATE ECE 2008 Digital Circuits - Logic Gates Question 13 English

M₁=(P OR Q) XOR R

M₁=(P AND Q) XOR R

M₁=(P NOR Q) XOR R

M₁=(P XOR Q) XOR R

GATE ECE 2002

MCQ (Single Correct Answer)

-0.6

The gates G₁ and G₂ in figure have propagation delays of 10nsec and 20nsec respectively. If the input V_i makes an abrupt change from logic 0 to 1 at time t = t₀, then the output waveform V₀ is

GATE ECE 2002 Digital Circuits - Logic Gates Question 14 English