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2. Document camera - Wikipedia

   en.wikipedia.org/wiki/Document_camera

   Document cameras, also known as visual presenters, visualizers, digital overheads, docucams, or simply doc-cams, are high-resolution, real-time image capture devices used to display an object to a large audience, such as in a classroom or a lecture hall. A webcam is mounted on arms to operate a document camera, allowing it to be positioned over ...

3. Display device - Wikipedia

   en.wikipedia.org/wiki/Display_device

   A display device is an output device for presentation of information in visual [1] or tactile form (the latter used for example in tactile electronic displays for blind people). [2] When the input information that is supplied has an electrical signal the display is called an electronic display .

4. Tab (interface) - Wikipedia

   en.wikipedia.org/wiki/Tab_(interface)

   One example is visual tabbed browsing in OmniWeb version 5, which displays preview images of pages in a drawer to the left or right of the main browser window. Another feature is the ability to re-order tabs and to bookmark all of the webpages opened in tab panes in a given window in a group or bookmark folder (as well as the ability to reopen ...

5. Twisted nematic field effect - Wikipedia

   en.wikipedia.org/wiki/Twisted_nematic_field_effect

   The twisted nematic effect (TN-effect) was a major technological breakthrough that made the manufacture of large, thin liquid crystal displays practical and cost competitive. Unlike earlier flat-panel displays, TN-cells did not require a current to flow for operation and used low operating voltages suitable for use with batteries.

6. AOL Mail

   mail.aol.com/d?reason=invalid_cred

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Copyholder - Wikipedia

   en.wikipedia.org/wiki/Copyholder

   A copyholder is a device that holds the hand written or printed material being typed by a copy typist.They were used in the past with typewriters and are now used with computers and word processors like Writer or Word.