Analog vs. Digital Signals

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

• analog

• digital

Is a video game coded as analog or digital data?

• analog

• digital

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

• binary

• dichotomous

• Morse

• two-number

Numbers in a digital code can have __________ values.

• any

• only high

• only low

• only set

Numbers is an analog code can have _________ values.

• any

• only high

• only low

• only set

Tags

NGSS.MS-PS4-3

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

• analog

• digital

• both

• neither

Tags

NGSS.MS-PS4-3

Analog signals can be converted to digital through a process called ____________.

• conversion

• sampling

• processing

• translation

Tags

NGSS.MS-PS4-3

How do computer hard drives and USB drives store data?

• binary code

• pictures

• symbols

• words

Which type(s) of signal(s) can be transmitted as radio waves?

• analog

• digital

• both

• neither

Tags

NGSS.MS-PS4-3

Setting the color of each pixel on a computer screen requires a __________ signal.

• analog

• digital

• loud

• fast

Tags

NGSS.MS-PS4-3