RJ-11

• Used for Landline connections
• Number of Wires: 4

RJ-45

• Used for Ethernet connections
• Number of Wires: 8

USB Types

Type A

• Shape: Rectangle
• Used to supply electricity and power to devices
• Also used for data transfer
• USB 3.0 is known as SS (Super Speed)
  • Data transfer up to 5 Gbps

Type C

• Shape: Oval
  • Reversible
• Used for data, video, audio and power

Video connection types

• HDMI
  • Can carry audio
  • Most common for home use
• Display Point
  • Can carry audio
• Component
• DVI