30/09/2025
🔌 Top Row (Left to Right)
1.HDMI (High-Definition Multimedia Interface)
Transmits high-definition video and audio.
Common in TVs, monitors, and laptops.
2.Modem (RJ11 Port)
Used for telephone line connections for dial-up modems.
Smaller than an Ethernet port.
3.Display (DisplayPort)
Transmits digital video and audio.
Supports higher resolutions and refresh rates than HDMI.
4.VGA (Video Graphics Array)
Analog video signal.
Used in older monitors and projectors.
🔌 Second Row
1.USB-A
The standard USB connector.
Used for peripherals like keyboards, mice, and storage devices.
2.Serial (DB9 Connector)
Legacy port for modems, mice, and industrial equipment.
3.PSWIRE (PS/2 Port)
Purple: Keyboard
Green: Mouse
Used in older PCs.
4.Audio (3.5mm Jack - TRS)
Red: Microphone
Blue: Line-in
Green: Line-out (headphones or speakers)
🔌 Third Row
1.USB-C
Reversible connector.
Supports data, power, and video (via alternate modes).
2.Parallel (DB25 Connector)
Used for printers and other peripherals.
Now mostly obsolete.
3.Mini DisplayPort
Smaller version of DisplayPort.
Used in some laptops and Apple devices.
4.eSATA (External SATA)
Used for external hard drives.
Faster than USB 2.0, now largely replaced by USB 3.0 and Thunderbolt.
🔌 Bottom Row
1.Ethernet (RJ45 Port)
For wired network connections.
Common in desktops, routers, and switches.
2.Game (DA-15 or DB15 Game Port)
Used for joysticks and game controllers in older systems.
3.Thunderbolt
High-speed data, video, and power.
Uses USB-C connector shape in newer versions.
4.S-Video (Separate Video)
Analog video signal.
Provides better quality than composite video.