Lesson 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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Firewall | a combination of hardware and software that creates a buffer between an internal network and the internet to prevent unauthorized access
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Hackers | Expert computer users who invade someone else's computer.
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Modem | Communications hardware device that facilitates the transmission of data
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Parallel Ports | Computer ports that can transmit data eight bits at a time; usually used by a printer
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Plug and Play | Technology that allows a hardware component to be attached to a computer so that is automatically configuered by the operating system, without user intervention
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Serial ports | Computer ports that can transmit data one bit at a time; often used by a modem or a mouse.
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Surge protecters | Devices that protect electronic equipment from variation in electric current.
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Trouble Shooting | Analyzing problems to correct faults in the system
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Uninterruptible power supply (UPS) | A battery power source that provides electric current during a power outage
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Universal serial bus (USB | Standard for computer ports that support data transfer rates of up to 12 million bits per second
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Virus | A computer program that is written to cause corruption of data
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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:
Brian.Mason
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