Free Bachelor of Electrical Engineering Digital Circuits Questions and Answers

Question 1

What exactly is digital electronics?

Accepted Answer

All pf the mentioned

Answer

Engineering of devices that digital signal

Answer

Engineering of devices that produce digital signal

Answer

Field of electronics involving the study of digital signal

Question 2

What statement about digital circuits is accurate?

Accepted Answer

All of the mentioned

Answer

Use transistors to create logic gates to perform Boolean logic

Answer

Easier to perform error detection and correction with digital signal

Answer

Less susceptible to noise or degradation in quality

Question 3

What exactly is a circuit?

Accepted Answer

Closed-loop through which electrons can pass

Answer

Closed-loop through which Neutrons can pass

Answer

Open-loop through which electrons can pass

Answer

None of the mentioned

Question 4

Which of the following is a digital electronic example?

Accepted Answer

All of the mentioned

Answer

Digital cameras

Answer

Computers

Answer

Information appliances

Question 5

What kind of circuit is a digital logic circuit?

Accepted Answer

Both Combinational & Sequential logic circuits

Answer

Sequential logic circuits

Answer

Combinational logic circuits

Answer

None of the mentioned

Question 6

Which of the following alternatives belongs to the digital electronics non-saturated logic family?

Accepted Answer

Emitter – coupled Logic

Answer

Diode – Transistor Logic

Answer

High-Threshold Logic

Answer

Integrated – injection Logic

Question 7

What does a switching function with several outputs in digital electronics go by?

Accepted Answer

Multi-output function

Answer

Multiple-output function

Answer

Multi-gate function

Answer

Multiple-gate function

Question 8

Which IC feature in digital circuits corresponds to the switching time of a certain transistor?

Accepted Answer

Propagation delay

Answer

Fan – in

Answer

Fan – out

Answer

Power dissipation

Question 9

When in digital electronics can one logic gate drive numerous other logic gates?

Accepted Answer

When its output impedance is low and the input impedance is high

Answer

When its output impedance is low and the input impedance is low

Answer

When its output impedance is high and the input impedance is high

Answer

When its output impedance is high and the input impedance is low

Question 10

Which of the subsequent digital logic circuits can add more than one bit at a time? Which of the subsequent digital logic circuits can add more than one bit at a time?

Accepted Answer

Ripple – carry adder

Answer

Serial adder

Answer

Half – adder

Answer

Full – adder