Information Transfer

What two things are used to form patterns representing letters and numbers in Morse code?

• dots

• dashes

• colors

• sounds

What two symbols do computers use to form patterns and code information?

• 0's

• 100's

• 1's

• A's

• B's

What are the THREE colors of light that make up pixels on a screen to create colors?

• Blue

• Green

• Yellow

• Red

• Puple

Information is stored on CD's using holes burned with lasers.

• true

• false

Tags

NGSS.MS-PS4-2

How does a 3-D printer know what to print?

• Instructions from the computer are sent to the printer as patterns of 1's and 0's

• a photo is sent to the printer and the printer prints a picture that matches that photo

• you upload a blueprint, the computer reads the blueprint then uses those instructions to print whatever was in the blueprint

What does a TV remote control send to the TV?

• the channel you want to watch

• dots and dashes that tell the TV what to do

• patterns of light pulses

• sound waves

Information is sent directly from one cell phone to another.

• true

• false

What was a key discovery in the advancement of early information transfer?

• morse code

• light bulb

• newspapers

• telephone

If you want to have a higher definition image, you need more of what?

• dots

• 1's

• electricity

• pixels

Before information was transferred electronically, how did people share information? (Select all that apply)

• Books

• computers

• newspapers

• telephone