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chapter 2

key terms

TermDefinition
resolution the amount of detail in digital, measured in pixels.
pixel A single point in a digital image
weblog an online journal that is updated almost every day by its author
webcam a small camera that connects to a computer and sends an image over the Web.
firewall a software program that acts as a barrier between a computer and the Internet to protect the computer from unauthorized access.
ethics society's rules for what is right and what is wrong.
netiquette the manners people use in electronic communications.
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