chapter 2 vocab.
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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| Arithmetic Logic Unit, ALU | Is the sector of the CPU that performs the mathematical calculations that are required in many data processing programs.
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| Bit | Is the smallest unit of binary information.
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| Byte | Is made up of eight bits.
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| Cache | Provides a temporary storage area that provides a quick access to information.
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| Input Devices | Allows data to be inputted into the computer.
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| Resolution | Defines the clarityu of the image that is seen on the computer screen.
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| Pixels | Is a single colored square on the screen.
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| Lumens | Measure the brightness of a projector.
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| Hard Disk Drive | Stores large amounts of information and is located within the computer.
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| External Hard Disk Drives | Allows the transfer of information from one physical location to another.
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| Central Processing Unit, CPU | Is located within the Motherboard and is the brain of the computer. It allows commands to be carried out.
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| Random Access Memory, RAM | Is temporary memory that is designed to hold new data and is available only while the computer is turned on.
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| Read-Only Memory, ROM | Is permanent internal memory inside the computer. The memory stored by the ROM is inaccessible by the user and is used to store the instructions of programs.
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| Megabytes | Is used to measure the amount of information a computer can hold; it stores about one million bytes of information.
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| Gigabytes | Is used to measure the amount of information a computer can hold; it stores about one billion bytes of information.
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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:
dparks88
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