GATE ECE 1994 | Logic Gates Question 28 | Digital Circuits

GATE ECE 1994

Fill in the Blanks

-0

A ring oscillator consisting of 5 inverters is running at a frequency of 1.0 MH$$_z$$. The progagation delay per gate is ______

GATE ECE 1993

MCQ (Single Correct Answer)

-0.3

For the logic circuit shown in Figure, the output is equal to GATE ECE 1993 Digital Circuits - Logic Gates Question 35 English

$$\overline A \,.\overline B .\overline C $$

$$\overline A \, + \overline B + \overline C $$

$$\overline {AB} + \overline {BC} + \overline A + \overline C $$

$$\overline {AB} + \overline {BC} $$

GATE ECE 1993

MCQ (More than One Correct Answer)

-0.3

Boolean expression for the output of XNOR (equivalence) logic gate with inputs A and B is

$$A\overline B + \overline A B$$

$$\overline A \,\overline B + AB$$

$$(\overline A + B)(A + \overline B )$$

$$(\overline A \, + \overline B )(A + B)$$

GATE ECE 1989

MCQ (More than One Correct Answer)

-0.3

Indicate which of the following logic gates can be used to realize all possible combinational Logic functions:

OR gates only.

NAND gates only.

EX-OR gates only.

NOR gates only.

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