Digital Signals and Systems Quiz

Which of the following is an example of an analog signal?

• Temperature

• Binary digits

• Logic levels

• Digital clock

Digital signals differ from analog signals in that they have:

• Continuous values

• Random values

• Discrete values

• Constant values

What does 'bit' stand for in digital systems?

• Binary information transformation

• Binary information transition

• Binary digit

• Binary indicator time

In digital circuits, which voltage level represents a '1' in positive logic?

• High voltage

• Low voltage

• Zero voltage

• Variable voltage

Which of the following statements is true about negative logic?

• High voltage represents a ‘1’

• Low voltage represents a ‘1’

• Both high and low voltage can represent ‘1’

• Voltage levels are irrelevant

The binary number system used in digital systems is based on:

• 10 digits

• 2 digits

• 8 digits

• 16 digits

Which of the following is NOT a basic logic operation?

• AND

• OR

• NOT

• XOR

A digital pulse waveform has two edges, the leading edge and the:

• Rising edge

• Trailing edge

• Left edge

• Peak edge

Which component primarily determines the rise time (tr) in a pulse?

• Resistance

• Capacitance

• Inductance

• Frequency

Which of the following factors does NOT affect the non-ideal behavior of digital pulses?

• Stray inductance

• Stray capacitance

• Pulse width

• Resistance