click below
click below
Normal Size Small Size show me how
Exam 3 Review
Exam 3
| Question | Answer |
|---|---|
| Data and information that is shown on a display screen | Softcopy |
| A device that uses light-sensing equipment to convert images of text, drawings and photos into digital form | Scanner |
| A display device made up of two plates of glass separated by a layer of a substance in which light is manipulated | Flat-panel display |
| Security devices that identifies a person through fingerprints, voice integration or retinal-identification | Biometric systems |
| A device that produces digitized sounds, such as beeps, chirps and music | Sound output device |
| A set of communication rules that govern how data is exchanged between devices on a network | Protocol |
| A special computer that directs communicating messages when several networks are connected together | Router |
| A system of interconnected computers, telephones or communications devices that can communicate and share resources | Network |
| A data collection technology that uses electronic tags for storing data,used by toolbooths to charge drivers' accounts automatically | Radio-Frequency Identification Devices (RFID) |
| A network that covers a city or a suburb | MAN (Metropolitan Area Network) |
| A network that operates without relying on a server | Peer-to-peer |
| Communications signals represented in a binary format | Digital |
| Image sharpness | Resolution |
| A technoloy in which television and video signals are sent to viewers using internet protocols | Internet Protocol TV |
| The number of times that a song is measured and converted to a digital value | Sampling rate |
| A component that expands a computer's input, storage and output capabilities | Peripheral |
| A search engine that allows you to search several search engines simultaneously | Metasearch engine |
| A device that sends and receives data over telephone lines to and from computers | Modem |