display screens and ergonomics

Done by: ms.Hanan Albarigi

Monitor = Screen = Display

How can you measure your display?

: Aspect ratio the width×the height •:Screen size• .Diagonally, form the top left to the bottom right

: Aspect ratio the width × the height•Screen size:• Diagonally, form the top left to the bottom right.

What is pixel resolution?The total number of pixels contained in a display. 1 pixel on screen = 1 bit on memory

What are kinds of the display?1-( OLEDs – Organic Light Emitting Diodes ).2-( LCD – Liquid Crystal Display ).3-( CRT – Cathode Ray Tube ).4-Plasma.5-video projector

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What technology is used by active-matrix LCDs?( TFT – Thin Film Transistor ).

What are the three advantages of OLED displays?Consume less energy, produce brighter colors flexible (they can be rolled up).

Pixel the smallest unit on a display screen or bitmapped image (usually a colored dot).

Video Adapter an expansion card that generates the video single sent to a computer display.Aspect Ratio the width of the screen in proportion to its height.Plasma Screen also called gas discharge display.Resolution the number of pixels contained in a display; horizontally and vertical.Colour depth the number of pits used to hold a colour pixel; this determines the maximum number of colour that can be displayed.