Digital Ch1 Flashcard

Front

Name two advantages of digital data as compared to analog data.

Back

Easier to store and more accurate

Front

Name an analog quantity other than temperature and sound.

Back

Voltage

Front

List three common products that can have either a digital or analog output: Thermometer, clock, radio

Back

Thermometer, clock, radio

Front

Explain the difference between positive and negative logic.

Back

Positive logic uses 1 as true, negative logic uses 0 as true

Front

Determine the period of the digital waveform in Figure 1-61.

Back

4 ms

Front

What is the frequency of the waveform in Figure 1-61 if the time period is 4ms?

Back

250 Hz

Front

Is the pulse waveform in Figure 1-61 periodic or nonperiodic?

Back

Periodic

Front

Determine the duty cycle of the waveform in Figure 1-61.

Back

50%

Front

What is the period if the clock frequency is 3.5 GHz?

Back

0.286 ns