A presentation on Visual display units(Monitors) along with factors that determines a monitor, types of monitor, and a brief evolution of colour systems in the industry
VISUALDISPLAYUNITDefinition:Avisualdisplayunitisapieceofelectricalequipmentwhichdisplaysimages
generatedbydevicessuchascomputers,withoutproducingapermanentrecord.The
monitorcomprisesthedisplaydevice,circuitry,andanenclosure.
AmrithKrishna,
S4,CSEA,FISAT
WorkingofabasicMonitor
Afocusedbeamofelectronsfromelectrongunstrikethefluorescentscreen
Shadesofimageisformedsectionbysectioncausingimagetobeformed.
ThepositionofbeamcorrespondstoXandYcoordinatepositionandIntensitybyZaxis
Control.
Thesmallestaddressiblespotonscreenispixel
TypesofMonitors
CRTCathodeRayTube LCDTFT Plasma FDUFlexibleDisplayUnits
TouchScreenMonitors
HowcanYoumeasureMonitor?
AspectRatio
ScreenSize
Colours
HowcanYoumeasureMonitor?
Width:Height 4:3normal 16:9DVDFormat
AspectRatio
HowcanYoumeasureMonitor?
Measuredininches Measuredfromonecornertotheother
diagonallyoppositetoit
ScreenSize
HowcanYoumeasureMonitor?
HowcanYoumeasureMonitor?
AbilityofmonitortodisplayColourrange. Alsodependsonvideocard
Colours
HowcanYoumeasureMonitor?Monochrome
Colours
HowcanYoumeasureMonitor?ColorGraphicsAdapter(CGA)
Colours
16colours
HowcanYoumeasureMonitor?EnhancedGraphicAdapter
Colours
16colours
ThankYou
