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Children's Dictionary
modem an electronic device that allows information to be sent from or to a computer using telephone lines or other lines of communication.
pacemaker a small electronic device put under the skin to control the heart rate in people with heart problems.
plug in to connect an electronic device to a power source.
radio a way of sending signals made of waves that travel through the air. These radio waves are picked up and translated into sounds by electronic devices. [1/3 definitions]
receiver a device that receives electronic signals and changes them into something that can be seen, heard, or understood. Televisions, telephones, and radios all work by using receivers. [1/3 definitions]
record to copy by use of a mechanical or electronic device for later hearing or viewing. [1/6 definitions]
rock2 a form of popular music with a strong beat and usually played loudly on electronic instruments such as guitars; rock-'n'-roll. [1/6 definitions]
scanner2 a device that scans printed material and changes it into an electronic signal that can be read by a computer.
Spam (lower case) to send electronic junk mail. [1/3 definitions]
speaker an electronic device that produces sound; loudspeaker. [1/4 definitions]
telecommuting the doing of work at home by using a computer and sending this work back to the office by electronic means.
telegram a message sent in code by electronic means over wires.
telegraph a system by which messages may be sent by electronic means. The telegraph puts messages in code and sends them along wires. [1/2 definitions]
transistor a small device used to control the flow of electric current. Transistors use very little energy. They are found in televisions, computers, and other kinds of electronic equipment.