Quarter-inch audio jack

3.5mm audio jack

Optical audio jack

Audio RCA or Composite

RJ11 (phone) plug

RJ45 (network) plug

Centronics

PS/2 (old keyboard and mouse)

Serial

Parallel

Firewire

USB-A

USB-B

USB-C

USB-3

USB-Micro

USB-Mini

USB-Mini for cameras

"Kettle lead" mains cable

"Clover leaf" mains cable

"Figure of 8" mains cable

VGA

DVI

HDMI

Displayport

Displayport Mini

S-Video