The way the user interacts with the computer- input and output devices as well as the screen display.
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Card 17
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Also called the primary key. A field in a table which uniquely identifies each record in that table.
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Card 18
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The part of the computer that does most of the data processing.
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Card 19
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Audio and video files downloaded from the Internet, normally updated daily or weekly.
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Card 20
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A small text file that is stored on your computer when you visit some websites. They can help the site identify you so you don't have to re-enter personal information every time you visit.
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Card 21
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Accessing a computer system you are not authorised to use.
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Card 22
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E-mails that are not welcome or solicited, they are often sent in bulk and fill up inboxes
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Card 23
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Online discussion spaces where people can post messages and get responses from other people.
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Card 24
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Raw figures or words with no meaning or context
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Card 25
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The physical objects that make up a computer system.
