1

GATE CSE 1990

MCQ (Single Correct Answer)

+2

-0.6

Two $$NAND$$ gates having open collector outputs are tied together as shown in fig. The logic function $$Y,$$ implemented by the circuit is.

2

GATE CSE 1990

Fill in the Blanks

+2

-0

Fill in the blanks:

In the two bit full-adder/sub tractor unit shown in Fig., when the switch is in position $$2.$$ $$.....$$ using $$.....$$ arithmetic.

In the two bit full-adder/sub tractor unit shown in Fig., when the switch is in position $$2.$$ $$.....$$ using $$.....$$ arithmetic.

3

GATE CSE 1990

MCQ (Single Correct Answer)

+5

-1.5

For the synchronous counter shown in fig. write the truth table of $${Q_0},\,\,{Q_1}$$ and $${Q_2}$$ after each pulse starting from $${Q_0} = {Q_1} = {Q_2} = 0$$ and determine the counting sequenced also the modulus of the counter

What is the modules of the counter with initial state $${Q_2}\,{Q_1}\,{Q_0} = 000$$

4

GATE CSE 1990

MCQ (Single Correct Answer)

+2

-0.6

Indicate which of the following well-formed formula are valid:

Paper analysis

Total Questions

Algorithms

3

Compiler Design

2

Computer Organization

2

Digital Logic

6

Discrete Mathematics

2

Operating Systems

10

Programming Languages

2

Theory of Computation

9

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