Signals

Analog encoding sends or stores information using quantities that

• can vary continuously.

• can only have specific values.

• are separated by consistent numbers.

• store waves’ crest and trough sizes in small steps.

Digital encoding sends or stores information using quantities that

• can vary continuously.

• can only have specific values.

• have no numeric gaps between one another.

• create smooth curves inside a sound wave.

A signal is

• a radio wave with an unchanging amplitude and frequency.

• a radio wave with an unlimited range.

• a wave that can only be generated in analog.

• anything that carries information and can be detected.

This blocky signal is:

• digital

• analog

This smooth signal is:

• digital

• analog

Which signal is an electric signal?

• Digital

• Analog

• Both

What is Morse code made up of?

• Dots and dashes

• Letters and numbers

• Symbols and punctuation

• Words and sentences

Binary code ONLY uses 0 and 1 to represent characters, letters & numbers.

• False

• True

A __________ is the smallest unit of data that a computer can use and store.

• Decimal

• Byte

• Bit

• binary code

One ______ is a collection of 8 bits.

• decimal

• Byte

• bit

• binary code