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| AMERICAN STANDARD CODE FOR INFORMATION INTERCHANGE the number system that personal computers use to represent character data. |
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| The representation of data as a 1 or 0. |
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| A field size property that stores whole numbers from 0 to 255 in one byte. a series of eight bits |
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| (KB-K) 1,024 BYTES OR APPROXIMATELY ONE THOUSAND BYTES. |
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| (MB) 1,048,576 Bytes or about one million bytes. |
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| (GB) 1,073,741,824 bytes or about one billion bytes. |
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| (TB) 1,024 GB, or approximately one trillion bytes. |
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| (MHz) one million cycles per second. |
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| (GHz) one billion cycles per second. |
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| The main circut board of the computer on which processing tasks occur. |
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| Chips on cardsplugged into the motherboard that temporarily holds programs and data while the computer is turned on: also called volatile memory or temporary memory |
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| Special high speed memory chips on the motherboard or CPU that store frequently accessed and recently accessed data and commands also called Ram cashe or CPU cashe. |
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| A silicon chip located on the motherboard that is responsible for executing instructions to process data also called processor or central processing unite (cpu) |
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| Space on the computers storage device that simulates additional RAM. |
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| A magnetic storage device that contains several magnetic oxide covered metal platters that are usually sealed in a case inside the computer. |
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| (compact disk) an optical storage device that can store roughly 700 MB of data. |
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| An optical storage device that can store up to 15.9 GB of data was originally an acronym for digital video disc and later digital versatile disc. |
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| (flash storage drive) a small portable device that plugs into a computers USB port and is then recognized as a removable drive with up to many gigabytes of storage capacity. |
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| A storage device that stores data as magnetized particales on mylar, a plastic ,which is then coated on both sides with magnetic oxide. |
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| A polycarbonate disk coated with reflective metal on which data is recorded using laser technology as a trial of tiny pits or dark spts in the surface of the disk the data that these pits or spots represent can then be read with a beam of laser light. |
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| (Universal Serial Bus) port A high speed port to which you can connect a devise with a usb connecter to have the computer recognize the device and allow you to use it immediatley. |
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| A broad term that describs any program that is intented to cause harm or convey information to others without the owners permission. |
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| Software that track a computer users internet usage and sends this data back to the company or person that created it. usually without the computer users permission or knowledge. |
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| Software installed with another program that generates advertising revenue for the programs creator by displaying targeted ads to the programs user. |
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| Aharmful program that is instructs a computer to perform destructive activities, such as erasing a disk drive, variants are called worms and trojan horses. |
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| A color dot that when combined with other pixels forms a picture or graphics display stands for picture element. |
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