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- 1. Multiple Choicea pattern of dots and dashes, each one making up a letter or numberMorse codebinary codepixelsbits
- 2. Multiple ChoiceHow does a cell phone send a picture to another cell phone?It changes the picture into text.It sends the picture through sound waves.It downloads the picture into light waves.It codes the picture into digital information.
- 3. Multiple ChoiceDigital devices use _____ to send and transmit information.binary codeMorse codepixelsbits
- 4. Multiple ChoiceA remote control sends signals to a television through:sound waveswireslight wavesbinary code
- 5. Multiple ChoiceA clear, bright image has:lots of pixelsvery few pixelslots of databinary code
- 6. Multiple ChoiceWhat invention made it possible to communicate across long distances with electricity and Morse code?telephonetelegraphtelevisionemail
- 7. Multiple ChoiceImages are made of millions of tiny dots called:Morse codebinarybitspixels
- 8. Multiple ChoiceCell phones convert sound waves into ____, which are sent from tower to tower.light wavessound wavesradio wavesMorse code
- 9. Multiple ChoiceA device used by computers to send and receive information.modemtowertelegraphtelephone
- 10. Multiple Choicea set of instructions that tells a computer what to dohieroglyphicsMorse codepixelsprograms
- 11. Multiple ChoiceThe telegraph became less useful when what was invented?telephonebinary codecomputeremail
- 12. Multiple ChoiceA form of communication over long distances used by Native Americans and Chinese soldiers.Morse codehieroglyphicssmoke signalsdrums
- Answer choicesTagsAnswer choicesTags