Data & Signal

A _____________ completes a pattern within a measurable time frame, called a period

• Aperiodic Signal

• Periodic Signal

• Aperiodic Data

• Periodic Data

How can we represent sine wave fully?

• Peak amplitude

• Frequency

• Phase

• Bandwidth

Frequency refers to the number of periods in ____ second.

When a signal changes instantaneously, its period is zero; so the frequency is infinite.

• True

• False

What is phase?

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A single-frequency sine wave is useful in data communications.

• True

• False

If a composite signal contains frequencies between 1000 and 5000, what is its bandwidth?

• 1000

• 2000

• 3000

• 4000

_______ is the number of bits sent in 1s.

The __________ is the distance one bit occupies on the transmission medium.

• Wavelength

• Bit length

• Frequency

• Period

What is baseband transmission?

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