Have an account?
Skip to Content
Introducing new Paper mode
No student devices needed. Know more
10 questions
Show Answers
See Preview
- Multiple ChoicePlease save your changes before editing any questions.
What two things are used to form patterns representing letters and numbers in Morse code?
dots
dashes
colors
sounds
- Multiple ChoicePlease save your changes before editing any questions.
What two symbols do computers use to form patterns and code information?
0's
100's
1's
A's
B's
- Multiple ChoicePlease save your changes before editing any questions.
What are the THREE colors of light that make up pixels on a screen to create colors?
Blue
Green
Yellow
Red
Puple
- Multiple ChoicePlease save your changes before editing any questions.
Information is stored on CD's using holes burned with lasers.
true
false
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
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
- Multiple ChoicePlease save your changes before editing any questions.
Information is sent directly from one cell phone to another.
true
false
- Multiple ChoicePlease save your changes before editing any questions.
What was a key discovery in the advancement of early information transfer?
morse code
light bulb
newspapers
telephone
- Multiple ChoicePlease save your changes before editing any questions.
If you want to have a higher definition image, you need more of what?
dots
1's
electricity
pixels
- Multiple ChoicePlease save your changes before editing any questions.
Before information was transferred electronically, how did people share information? (Select all that apply)
Books
computers
newspapers
telephone