Vocabulary from Chapter 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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| Pixel | A single colored square on the screen. Images can be viewed when pixels are joined
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| Lumens | How the brightness of a projector is measured.
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| Megahertz | How the processor speed is measured. One million cycles per second.
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| RAM | Temporary memory that is designed to hold new data and is available only while the computer is turned on.
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| ROM | Permanent internal memory inside the system, is inaccessible by the user, and is used to store the instructions that are installed or programmed by the manufacturer.
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| Parallel port | Developed by IBM and are used to connect a computer to a printer.
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| Sound card | Allows the input of sound into the computer. Is connected to ports on the computer.
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| Resolution | Defines the clarity of the image that is seen on the computer screen.
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| Terabyte | Equal to 1,024 gigabytes or approximately a trillion keyboard characters of information.
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| Cache | Provides a temporary storage area that provides a quick access to information.
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| Transparency | Thin sheets of transparent plastic, for use with overhead projectors.
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| Hard copy | The readable data a printer outputs.
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| Hard disk drive | Holds large amounts of information on circular disks called platters
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| Bit | A binary character, is the smallest unit of binary information
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| Port | Opening in a computer which allows devices to connect to and communicate with the computer
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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:
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