Digital Electronics Multiple Choice Questions

Digital Electronics

Question 1.

The fan put of a 7400 NAND gate is

A.

 2TTL

B.

 5TTL

C.

 8TTL

D.

 10TTL

Explanation :

Explanation Not Provided

Question 2.

The universal gate is ___________

A.

 NAND gate

B.

 OR gate

C.

 AND gate

D.

 None of the above

Explanation :

Explanation Not Provided

Question 3.

An OR gate has 6 inputs. The number of input words in its truth table are

A.

 6

B.

 32

C.

 64

D.

 128

Explanation :

Explanation Not Provided

Question 4.

In which of the following base systems is 123 not a valid number?

A.

 Base 10

B.

 Base 16

C.

 Base 8

D.

 Base 3

Explanation :

Explanation Not Provided

Question 5.

In case of OR gate, no matter what the number of inputs, a

A.

 1 at any input causes the output to be at logic 1

B.

 1 at any input causes the output to be at logic 0

C.

 0 any input causes the output to be at logic 0

D.

 0 at any input causes the output to be at logic 1.

Explanation :

Explanation Not Provided

Topics

Analog Electronics MCQs Automatic Control Systems MCQs Communication Systems MCQs Digital Electronics MCQs Electromagnetic Field Theory MCQs Electromagnetic Induction MCQs Electronic Devices and Circuits MCQs Materials and Components MCQs Measurement and Instrumentation MCQs Microprocessors MCQs Microwave Communication MCQs Networks Analysis and Synthesis MCQs Power Electronics MCQs Radio Receivers MCQs Satellite Communication MCQs A.C Fundamentals, Circuits and Circuit Theory MCQs RL Circuits MCQs RC Circuits MCQs RLC Circuits and Resonance MCQs Circuit Theorems and Conversions MCQs Circuit Theorems In Ac Analysis MCQs Integrated Circuits MCQs Magnetic Circuit MCQs Parallel Circuits MCQs Series Circuits MCQs Series Parallel Circuits MCQs Solid State Switching Circuits MCQs Time Response of Reactive Circuits MCQs Branch, Loop and Node Analyses MCQs Electrical Engineering Materials MCQs Electronics and Instrumentation MCQs Electrical Machine Design MCQs D.C. Generators MCQs D.C. Motors MCQs Capacitors MCQs Current Electricity MCQs Earthing or Grounding MCQs Electric Traction MCQs Electrical Cables MCQs Electrical Control Systems MCQs Electrical Inductors MCQs Electrolysis and Storage of Batteries MCQs Electrostatics MCQs Switchgear Protections MCQs Synchronous Motors MCQs Polyphase Induction Motors MCQs Single Phase Induction Motors MCQs Energy and Power MCQs Economics of Power Generation MCQs Power Plant Engineering in EE MCQs Regulated DC Power Supply MCQs FET(Field Effect Transistors) MCQs Heating and Welding MCQs Hybrid Parameters MCQs Industrial Drivers MCQs Rectifiers and Converters MCQs Magnetism and Electromagnetism MCQs Modulation and Demodulation MCQs Ohms Law MCQs Transistors MCQs OP amp MCQs Single Stage Transistor Amplifiers MCQs Multistage Transistor Amplifiers MCQs Transistor Audio Power Amplifiers MCQs Amplifiers With Negative Feedback MCQs Passive Filters MCQs Oscillators MCQs Voltage, Current and Resistance MCQs Alternating Current and Voltage MCQs Semiconductor Theory MCQs Semiconductor Diode MCQs Silicon Controlled Rectifiers MCQs Three Phase Systems In Power Applications MCQs Transformers MCQs Transmission and Distribution MCQs