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What two things are used to form patterns representing letters and numbers in Morse code?
What two symbols do computers use to form patterns and code information?
What are the THREE colors of light that make up pixels on a screen to create colors?
Information is stored on CD's using holes burned with lasers.
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
Information is sent directly from one cell phone to another.
What was a key discovery in the advancement of early information transfer?
If you want to have a higher definition image, you need more of what?
Before information was transferred electronically, how did people share information? (Select all that apply)