Science Computer Science Computer Graphics
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PS/2 port 6-pin mini DIN port that connects keyboards or mice on legacy
computers; not interchangeable between them
CGA Color Graphics Adapter - Supports 4 colors at 320x200 or 2 colors at
640x200
EGA Enhanced Graphics Adapter - 16 colors at 640x350
VGA port Video Graphics Array; 15-pin, three-row D-subminiature connector.
Other names: DB-15, DE-15, HD-15
VGA Video Graphics Array - 16 colors at 640x480 or 256 colors at lower
resolutions
XGA Extended Graphics Array - 65,536 colors at 800x600 or 256 colors at
1024x768
Wide XGA 1366x768 resolution
XGA+ 1152x864 resolution
Wide XGA+ 1440x900 resolution
SVGA Super Video Graphics Array, 16M colors, 1280x1024
Super XGA Super Extended Graphics Array, 1400x1050
WSXGA+ Widescreen SGA+ 1680x1050
Ultra XGA 1600x1200
WUXGA Widescreen Ultra Extended Graphics Array - 1920x1200
, DVI port Digital Visual Interface; accepts both analog and digital signals but only
through specific connectors. DVI-D, DVI-A, and DVI-A/D or DVI-I. DVI-I
and DVI-D also support Dual-Link connections by having extra pins.
DisplayPort Compact 20-pin connector; supports up to 2560 x 1600 and 120 Hz
refresh rates. Can drive up to four displays by a single port and is
capable of signal encryption and transmission of audio. Also comes in
Mini Displayport.
HDMI High Definition Multimedia Interface; also comes in mini and micro
variations
S/PDIF Sony/Phillips Digital Interface; digital audio output that comes in both
electrical and optical variations. Electrical usually uses RCA on coax,
optical uses fiber.
RG-6 cable Coaxial connection 75 Ohms
RG-59 cable Coaxial connection 75Ohms
F connector Coaxial connector, pin center, outer threaded ring
Component video Uses 3 RCA connectors that split the signal into its components, 1 for
brightness and 2 for color (Yellow, red, white)
S-Video Sends video signal from a computer to a TV, shaped similarly to PS/2
Comptia Exam Questions Verified and
Provided with A+ Graded Answers
Latest Updated 2026
PS/2 port 6-pin mini DIN port that connects keyboards or mice on legacy
computers; not interchangeable between them
CGA Color Graphics Adapter - Supports 4 colors at 320x200 or 2 colors at
640x200
EGA Enhanced Graphics Adapter - 16 colors at 640x350
VGA port Video Graphics Array; 15-pin, three-row D-subminiature connector.
Other names: DB-15, DE-15, HD-15
VGA Video Graphics Array - 16 colors at 640x480 or 256 colors at lower
resolutions
XGA Extended Graphics Array - 65,536 colors at 800x600 or 256 colors at
1024x768
Wide XGA 1366x768 resolution
XGA+ 1152x864 resolution
Wide XGA+ 1440x900 resolution
SVGA Super Video Graphics Array, 16M colors, 1280x1024
Super XGA Super Extended Graphics Array, 1400x1050
WSXGA+ Widescreen SGA+ 1680x1050
Ultra XGA 1600x1200
WUXGA Widescreen Ultra Extended Graphics Array - 1920x1200
, DVI port Digital Visual Interface; accepts both analog and digital signals but only
through specific connectors. DVI-D, DVI-A, and DVI-A/D or DVI-I. DVI-I
and DVI-D also support Dual-Link connections by having extra pins.
DisplayPort Compact 20-pin connector; supports up to 2560 x 1600 and 120 Hz
refresh rates. Can drive up to four displays by a single port and is
capable of signal encryption and transmission of audio. Also comes in
Mini Displayport.
HDMI High Definition Multimedia Interface; also comes in mini and micro
variations
S/PDIF Sony/Phillips Digital Interface; digital audio output that comes in both
electrical and optical variations. Electrical usually uses RCA on coax,
optical uses fiber.
RG-6 cable Coaxial connection 75 Ohms
RG-59 cable Coaxial connection 75Ohms
F connector Coaxial connector, pin center, outer threaded ring
Component video Uses 3 RCA connectors that split the signal into its components, 1 for
brightness and 2 for color (Yellow, red, white)
S-Video Sends video signal from a computer to a TV, shaped similarly to PS/2
