Exam 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Data and information that is shown on a display screen | Softcopy
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| A device that uses light-sensing equipment to convert images of text, drawings and photos into digital form | Scanner
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| 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
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| Security devices that identifies a person through fingerprints, voice integration or retinal-identification | Biometric systems
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| A device that produces digitized sounds, such as beeps, chirps and music | Sound output device
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| A set of communication rules that govern how data is exchanged between devices on a network | Protocol
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| A special computer that directs communicating messages when several networks are connected together | Router
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| A system of interconnected computers, telephones or communications devices that can communicate and share resources | Network
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| A data collection technology that uses electronic tags for storing data,used by toolbooths to charge drivers' accounts automatically | Radio-Frequency Identification Devices (RFID)
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| A network that covers a city or a suburb | MAN (Metropolitan Area Network)
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| A network that operates without relying on a server | Peer-to-peer
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| Communications signals represented in a binary format | Digital
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| Image sharpness | Resolution
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| A technoloy in which television and video signals are sent to viewers using internet protocols | Internet Protocol TV
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| The number of times that a song is measured and converted to a digital value | Sampling rate
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| A component that expands a computer's input, storage and output capabilities | Peripheral
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| A search engine that allows you to search several search engines simultaneously | Metasearch engine
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| A device that sends and receives data over telephone lines to and from computers | Modem
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
msanne55
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