Electronic Systems

Q-1 What is meant by a 'system'?


a) Any combination of components or elements that has a useful function.
b) Any combination of elements that has a single input and a single output.
c) Any closed volume for which all the inputs and outputs are known.

Correct Answer:

Any closed volume for which all the inputs and outputs are known.

Q-2 What form of waveform is shown here?

a) A binary signal.
b) An analogue signal.
c) A multi-valued digital signal.

Correct Answer: A multi-valued digital signal.

Q-3 Most real-world physical quantities are continuous.

a) True

b) False

Correct Answer:True

Q-4 No real-world physical quantities are discrete.

a) True

b) False

Correct Answer:False

Q-5 Digital signals can take only two values.

a) True

b) False

Correct Answer:False

Q-6 Binary signals are the most common form of digital signals.

a) True

b) False

Correct Answer:True

Q-7 A sinusoidal signal is passed through an amplifier and results in the following waveform. What form of distortion is predominant?

a) Barrel distortion.

b) Clipping.

c) Crossover distortion.

d) Harmonic distortion.

Correct Answer:Crossover distortion.

Q-8 What forms the starting point of an engineering project?

a) The customer requirements.

b) A specification.

c) A top-level design.

d) A feasibility study.

Correct Answer:The customer requirements.

Q-9 The design of an engineering system normally follows a top-down approach.

a) True

b) False

Correct Answer:True

A-10 Which of the following statements is correct?

a) Electronic computer-aided design is a form of electronic drawing board.

b) Electronic computer-aided design allows unskilled engineers to design complex electronic circuits.

c) Electronic computer-aided design consists of a wide range of design, management and manufacturing tools.

d) Electronic computer-aided design is another term for circuit simulation.

Correct Answer:

Electronic computer-aided design consists of a wide range of design, management and manufacturing tools.