SIGNALS

A __________ is a piece of information that is communicated through using the senses.

• wave

• signal

• circuit

• notification

To translate information into the form of code

• transmit

• encode

• signal

• encrypt

Change continuously over time; represented by a continuous smooth curve; can be a range of values

• analog signals

• digital signals

• wireless signals

• electric signals

Is discrete and not continuous; represented by two values - either on or off

• analog signals

• digital signals

• wireless signals

• electric signals

A signal to or from a computer is encoded into _________________, such as the two values - on (1) or off (0).

• analog signal

• digital signal

• binary numbers

• electricity

the unwanted modification of a signal

• encryption

• noise

• analog

• modulation

a signal whose frequency is modulated

• FM

• AM

• PM

• IM

a signal whose amplitude is modulated

• FM

• AM

• PM

• IM

The image provided is a _________ signal.

• Analog

• Digital

The image provided is a _________ signal.

• Analog

• Digital