click below
click below
Normal Size Small Size show me how
CTI Lesson 3 Vocab
Vocabulary Terms and Definitions for CT Intro Lesson 3.
Question | Answer |
---|---|
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. |