Computers: Understanding Tech 6e 8.2
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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| electrostatic discharge (ESD) | The unequal voltage potential between two objects that is suddenly discharged when the objects touch. Also called static electricity.
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| short circuit | A condition in which electricity travels a path it is not supposed to take. May occur when a device gets wet because electricity tends to follow the path of least resistance and water is a good conductor.
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| compressed air | An aerosol can containing pressurized air, which can be discharged to clean off parts. It may come with a detachable thin plastic tube you can use to direct the airflow precisely to blow out the inside of your computer case.
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| backup system | Software that automatically backs up the files you specify at the interval you specify.
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| online backup service | A subscription backup service that stores your files in a remote location by transferring them using the Internet.
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| Control Panel | The utility in Windows through which you access most system settings.
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| System Preferences | The utility in Mac OS X through which you access most system settings.
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| Windows Update | The Windows utility that periodically checks online for available updates for Windows and selected applications and installs them.
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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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