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CTI Lesson 3 Vocab

Vocabulary Terms and Definitions for CT Intro Lesson 3.

Firewall A combination of hardware and software that creates a buffer between an internal network and the Internet to prevent unauthorized access.
Hackers Expert computer users who invade someone else’s computer, either for personal gain or just for the satisfaction of being able to do it.
Modem Communications hardware device that facilitates the transmission of data.
Parallel ports Computer ports that can transmit data eight bits at a time; usually used by a printer.
Plug and play Technology that allows a hardware component to be attached to a computer so that it is automatically configured by the operating system, without user intervention.
Serial ports Computer ports that can transmit data one bit at a time; often used by a modem or a mouse.
Surge protectors Devices that protect electronic equipment from variations in electric current.
Troubleshooting Analyzing problems to correct faults in the system.
Uninterruptible power source (UPS) A battery power source that provides electric current during a power outage.
Universal serial bus (USB) Standard for computer ports that support data transfer rates of up to 12 million bits per second.
Virus A computer program that is written to cause corruption of data.
Created by: MsCHall



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