Virtual Labs

Electronics and Communication Engineering Digital Applications Experiments

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Theory

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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Basic NOT gate and its application in fuel level indicator

Choose difficulty:

Beginner

Intermediate

Advanced

The logical NOT operator is called a___________ operator.

a: Unary Explanation

Explanation

b: Binary Explanation

Explanation

c: Quarternary Explanation

Explanation

d: None of these Explanation

Explanation

Which of the following applications involve analog quantities?

a: Temperature of a room Explanation

Explanation

b: Pointer type automobile fuel gauge Explanation

Explanation

c: Altitude of an aircraft Explanation

Explanation

d: All of the above Explanation

Explanation

Which of the following Boolean expressions is TRUE?

a: X + X'Y = X + Y Explanation

Explanation

b: X' + XY = X' + Y Explanation

Explanation

c: (X +XY)' = X' Explanation

Explanation

d: All of the above Explanation

Explanation

For the application shown below, when the key is pressed, the output Y takes a value:

a: Logic 0 Explanation

Explanation

b: Logic 1 Explanation

Explanation

c: High Impedance Explanation

Explanation

d: No output Explanation

Explanation

In an application, the output of one NOT gate is connected to the input of a second NOT gate. Determine the level at the 2nd NOT gate output, if input to 1st NOT gate is zero.

a: High Explanation

Explanation

b: Low Explanation

Explanation

c: High Impedance Explanation

Explanation

d: None of these Explanation

Explanation

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