Column 1
Column 2
Column 3
Column 4
100
A portable, cordless telephone is a ______ phone.
cell
100
What are computers?
Computers are machines that process information.
100
_________ is to change from code into ordinary language.
Decode
100
What is digitized information?
Digitized information is information stored in computers and on the internet.
200
A tool that uses technology.
High-Tech Device
200
A _________ is an instrument used to see objects that are too small for the naked eye.
microscope
200
A ________ is an instrument for making distant objects appear larger and therefore nearer.
telescope
200
the act or process of damaging or ruining something
degradation
300
We use these waves to cook food, transmit
information, and help us predict the weather.
microwaves
300
These waves are often used to transmit data and
have been used for all sorts of applications,
including satellites, radar, and computer networks.
radio waves
300
These waves are used in your TV remote to change
channels. Anything that gives off heat radiates these
waves.
infrared waves
300
This part of the electromagnetic spectrum covers
the wavelengths that can be seen by the human
eye.
light waves
400
The great German physicist _______ _______ discovered radio waves.
Heinrich Hertz
400
Why is it important to be able to transmit information over long distances?
Answers may vary. Sometimes people need to have access to information fast, even when they are far away. For example, during a natural disaster, people can use their phones to find each other.
400
Describe two real-world examples in which people use digitized information to communicate.
Answers may vary. People use cell phones to communicate and to relay information quickly. People also use medical instruments like x-ray machines to gather and communicate information.
400
How is your daily life affected by information technology?
Answers will vary. Information technology provides resources for research, personal knowledge, communication, entertainment, etc. For example, text messages, social media, and emails help people communicate almost instantly. The internet provides search engines for any topic as well as sources for entertainment (movies, on-line books, music, etc).
500
Translate the 1s and 0s back to regular letters
500
B 011000001
500
What is a high-tech device?
A high-tech device is a tool that uses technology.
500
__________ waves are very fast, traveling at the speed of light.
Electromagnetic