Lesson 2
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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| audio input | process of inputting sound into the computer
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| biometrics | authentication technique using automated methods of recognizing a person based ona physioclogical or behavioral characterisitic
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| digital camera | tajes pictures that are stored digitally and then transferred to the computers memory
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| expansion slot | opening on the motherboard where an expansion board also called an adaptewr card can be insterted
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| firewire | external bus standard that supports data transfer rates of uo to 400 mbps and can connect up to 63 external devices
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| inkjet printer | provides good-quality color printing for less expense than a laser printer
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| input | data or instrustions entered into the computer
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| keyboard | most commonly used input device for entering numeric and alphabetic data into a computer
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| laserprinter | produces images using the same technology as a copier machines
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| modem | a device that allows one computer to talk to another
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| monitor | desktop computer display device
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| mouse | most commonly used pointing device for personnal computers
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| output | data that has been processed into a useful format
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| plug-and-play | the ablity of a computer system to configure expansion boards and other devices auotmatically
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| pointing device | input device that allows you to position the pointer on the screen
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| port | an interface to which a periperal device attaches to or communicates with the system unit
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| printer | used to produce paper or hard copy of the processing results
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| scanner | device that can change images into codes for input into the computer
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| trackball | pointing device that works like a mouse turned upside down with the ball on top
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| Univeral Serial Bus (USB) | port that can connect up to 127 different peripherals witha single connector and supports data transfer rates of up to 200 milion bits per second.
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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:
lsuboy95
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