Waves Revision 3

Is music playing from a record an analog or digital signal?

• Analog
• Digital

The string of 1s and 0s that control a computer is called _____ code.

• binary
• dichotomous
• Morse
• two-number

Numbers in an analog code can have _____ values.

• any
• only high
• only low
• only set

Which type(s) of signal(s) can be easily corrected to remove noise?

• Analog
• Digital
• Both
• Neither

This is a signal where the data is represented by binary digits.

• Digital

• Analog

• NTSC

• CRT

This is a signal that fluctuates exactly like the original signal.

• Analog

• Digital

• High Definition

• Binary

The signal above is an example of a(n)

• Digital Signal
• Analog Signal

Smooth and continuous data

• analog
• digital
• pulse
• binary

Easily degrades over time

• Analog

• Digital

A more reliable way to store information

• Analog

• Digital