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is an organized list of e-mail contacts
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is a single machine that combines printing, scanning, copying and faxing
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is a key that gives another key an alternative function when both keys are pressed at the same time
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is a program designed for a specific use that can be purchased and downloaded wirelessly to a smartphone
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The aspect ratio of a computer display is the ratio of its long side to its short side
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is to include a downloadable document with an e-mail
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is a file added to an e-mail and sent along with it
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automatic document feeder 开始学习
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is a mechanized device that sends paper from a stack through a scanner or printer
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If you are available, you are online and capable of chatting on IM
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uses a rubber ball to track hand movements
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is a copy of an e-mail sent to someone in which the identities of other recipients is hidden
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is to return an e-mail to the sender without it being delivered
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is a feature the product already has at the time of purchase
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is to write data from a computer onto a disk
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If you are busy, you are away from your computer or otherwise unavailable to chat
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is the part of a mouse that is pushed to select items on the computer screen
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is the amount of storage space on a disk
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is a key on the keyboard that is used for typing all capital letters when it is pressed
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is a device that holds ink or toner in a printer and can be replaced
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is the outer protective enclosure that contains computer parts
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is a duplicate of an e-mail that has been sent to another person
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is a device that reads and writes data to compact disks
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is a disk that can be used to store data
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is a wireless device that can make and receive phone calls
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is to communicate with instant messages
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To click an item on the screen is to place the cursor on it and press the mouse button
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is the number of different colors that a scanner can represent
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is the process of reducing the size of digital photos by changing the way data is encoded
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