30 Ch.3 study facts
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30 terms
Terms | Definitions |
|---|---|
 encryption | a way to protect data by scrambling it |
| virus | a file that makes copies of itself to harm your computer |
| firewall | the computer program that finds and removes viruses |
| water | the liquid that short-circuits computers |
| humidity | the amount of water in the air |
| spyware | a virus used to monitor someone's activities on their computer |
| Standby Power Supply | a source of power available to computers in the event of power failiure |
| Uninterruptible Power Supply | a power supply that is always there unless the power source (such as batteries) run out of energy |
| video card | a circuit board that specificaly processes video/image feed |
| driver | this device tells the computer how to run hardware |
| surge supressor | prevents damage to electronics in the event of a power surge |
| power surge | a sudden increase of voltage that can damage unprotected computers |
| computer backup | the process of copying all files of a computer onto another data storage unit |
| humidity restrictor | this device is used on more modern computers to prevent humidity damage |
| physical damage | damage inflicted to a computer by dropping it, dropping something on it, etc. |
| printer jam | when a printer stops functioning properly because something got stuck |
| copyright © | a legal document protecting someone's ideas or inventions |
| static electricity | electricity generated by friction (usually with a carpet) |
| computer protection | using things to prevent non-physical damage to your computer |
| when something breaks a law, it is considered _________ | illegal |
| an object's ability to be moved easily calssifies it as ________ | portable |
| a printer jam occurs when you use the _____ _____ | wrong paper |
| _____ _______ can lead to a printer jam | dirty rollers |
| computers have a ________ effect on our lives | positive |
| computers make ________ more interisting | learning |
| computer __________ has gotten increasingly important | protection |
| ____ is the most important thing to us | data |
| computer _____ is where your computer is taken | theft |
| tha computer is protected by its ________ | firewall |
| firewalls _______ data | protect |
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