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2. Comparison of display technology - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_display...

   Computer monitor, radar display: No CRT self-contained rear-projection Flat lenticular: 80 [4] 203 TV: Yes CRT front projection: Flat (limited only by brightness) TV or presentation No Plasma display panel (PDP) Flat 152 [5] 386 TV, computer monitor (In some early "portable" computers. They required too much power for battery-powered laptops ...

3. Light pen - Wikipedia

   en.wikipedia.org/wiki/Light_pen

   A light pen is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's cathode-ray tube (CRT) display. It allows the user to point to displayed objects or draw on the screen in a similar way to a touchscreen but with greater positional accuracy.

4. Computer monitor - Wikipedia

   en.wikipedia.org/wiki/Computer_monitor

   A flat-panel display (FPD) computer monitor A cathode-ray tube (CRT) computer monitor A computer monitor is an output device that displays information in pictorial or textual form. A discrete monitor comprises a visual display , support electronics, power supply, housing , electrical connectors , and external user controls.

5. List of computer display standards - Wikipedia

   en.wikipedia.org/wiki/List_of_computer_display...

   Front and rear views of the TVM MD-3 cathode-ray tube monitor (Enhanced Graphics Adapter era). Note the DE-9 connector, cryptic mode switch, contrast and brightness controls at front, and the V-Size and V-Hold knobs at rear, which allow the control of the scaling and signal to CRT refresh rate synchronization respectively.

6. Comparison of CRT, LCD, plasma, and OLED displays - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_CRT,_LCD...

   Sensitive to UV light from direct sunlight. Is considered the highest quality but also the most expensive display technology currently produced, with TVs, laptops and monitors rarely being available for less than $1200.

7. Keyboard technology - Wikipedia

   en.wikipedia.org/wiki/Keyboard_technology

   The keyboard sends the key code to the keyboard driver running in the main computer; if the main computer is operating, it commands the light to turn on. All the other indicator lights work in a similar way. The keyboard driver also tracks the shift, alt and control state of the keyboard.