# Digital Electronics - Signals and Switches

## Why Digital Electronics Signals and Switches?

In this section you can learn and practice Digital Electronics Questions based on "Signals and Switches" and improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.

## Where can I get Digital Electronics Signals and Switches questions and answers with explanation?

IndiaBIX provides you lots of fully solved Digital Electronics (Signals and Switches) questions and answers with Explanation. Solved examples with detailed answer description, explanation are given and it would be easy to understand. All students, freshers can download Digital Electronics Signals and Switches quiz questions with answers as PDF files and eBooks.

## Where can I get Digital Electronics Signals and Switches Interview Questions and Answers (objective type, multiple choice)?

Here you can find objective type Digital Electronics Signals and Switches questions and answers for interview and entrance examination. Multiple choice and true or false type questions are also provided.

## How to solve Digital Electronics Signals and Switches problems?

You can easily solve all kind of Digital Electronics questions based on Signals and Switches by practicing the objective type exercises given below, also get shortcut methods to solve Digital Electronics Signals and Switches problems.

### Exercise :: Signals and Switches - General Questions

1.

Why does the TTL family use a totem-pole circuit on the output?

 A. It provides active pull-up. B. It provides active pull-down. C. It provides active pull-up and active pull-down.

Explanation:

No answer description available for this question. Let us discuss.

2.

What is the frequency of a clock waveform if the period of that waveform is
1.25 s?

 A. 8 kHz B. 0.8 kHz C. 0.8 MHz D. 8 MHz

Explanation:

No answer description available for this question. Let us discuss.

3.

Why is the given circuit called an inverter?

 A. The output is the opposite (inverse) of the input. B. The output is in phase with the input. C. The output is the same as the input. D. There is no output.

Explanation:

No answer description available for this question. Let us discuss.

4.

The hexadecimal number 4B16 is transmitted as an 8-bit word in parallel. What is the time required for this transmission if the clock frequency is 2.25 MHz?

 A. 444 ns B. 444 s C. 3.55 s D. 3.55 ms

Explanation:

No answer description available for this question. Let us discuss.

5.

Internally, a computer's binary data are almost always transmitted on parallel channels, commonly referred to as the:

 A. parallel bus B. serial bus C. data bus D. memory bus