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1 S. POORKIANI1 : : ...

:CRTPlasmaLCDLEDFinger Touch MonitorsS. POORKIANI2 CRTCRT: Cathode Ray Tube CRT . 3 .S. POORKIANI3

CRT . 3 . . .

. .S. POORKIANI4

4 CRT . . . .S. POORKIANI5

CRT . . . . : . ( ): .: .S. POORKIANI6 CRT (resolution): CRT . . 60% .

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CRT () . . (Aspect Ratio):

S. POORKIANI8 Aspect Ratio= CRT : (raster-scan display) (vector-scan display)S. POORKIANI9 CRT (raster-scan display): :

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CRT (Bitmap) . : (Pixmap) : - : Hz

S. POORKIANI11 CRT (vector-scan display):

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CRT . . . .30 60 screen saver

S. POORKIANI13

CRT :

.

S. POORKIANI14 CRTCRT :

:

(Beam Penetration) (Shadow Mask)

S. POORKIANI15 CRT (Beam Penetration): .

(Shadow Mask) : 3 . 3

S. POORKIANI16 CRT (Shadow Mask) : () . 8 : : 28 = 256 : 28 = 256 : 28 = 256

: 256*256*256 = 16777216

S. POORKIANI17

REDGREENBLUE CRT (Shadow Mask) : () 1 : : 21 = 2 ( ) : 21 = 2 : 21 = 2

: 2*2*2= 8

S. POORKIANI18REDGREENBLUEColor000001010011 100101110111 (Plasma) . .

. ( ) ( ). . .

S. POORKIANI19 (Plasma) () . .

( ) . .

S. POORKIANI20 (Plasma) () . (UV) . () .

S. POORKIANI21 (Plasma)

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(Plasma) . . (Rib) . . - . . .

S. POORKIANI23 (Plasma) () .

. .

S. POORKIANI24 (Plasma) () : . . . . .S. POORKIANI25 LCDLCD: Liquid Crystal Display 1888 . . 14/5 178/5 . . : .S. POORKIANI26 LCD . . . . .S. POORKIANI27 LCD LCD

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LCD LCD : . . . . S. POORKIANI29 LCD LCD . 15 :1024*768*3=2359296 . . .

S. POORKIANI30 LCD LCD :

(passive matrix)

(active matrix) .

S. POORKIANI31 LCDLCD : . .

S. POORKIANI32 LCD2. LCD : TFT TFT . . . .

S. POORKIANI33 LEDLight-Emitting Diode .

.

40 .

S. POORKIANI34 LED . . . . . " " .

S. POORKIANI35 LCD CRT (Require less power):

. CRT 19 100 19 LCD 45 LCD CRT .

S. POORKIANI36 LCD CRT (Smaller and weigh less):

LCD CRT LCD CRT . LCD CRT .

S. POORKIANI37 LCD CRT (Less eye strain):

LCD LCD CRT CRT .

S. POORKIANI38 LCD Plasma 30000 . 60000 .

400 150 250

. .

S. POORKIANI39 LCD Plasma 35 . . . . .

S. POORKIANI40 - .

:

S. POORKIANI41 : . . .

: PC Card . USB Serial .

S. POORKIANI42 . S. POORKIANI43

-

S. POORKIANI44 - : . .

S. POORKIANI45 - :

S. POORKIANI46

- : . . .

( .) .

- .S. POORKIANI47 - : ( ) .

. . . . .

S. POORKIANI48 - : . . . . . .

S. POORKIANI49 S. POORKIANI50

S. POORKIANI51

S. POORKIANI52 1 .

2 .

3 .1)Video Ram 2)Character Pattern 3)Character Generator S. POORKIANI53 4 . 5 .

CRT6 .

4)Attribute Controller 5)Signal Controller 6)CRT Controller S. POORKIANI54 . .

1 ... .

: ( ) : DVI: - s-video: : Overlocking: . Anti-aliasing:

S. POORKIANI55