Connectors
October 28, 2016
Categorised in: Computer Forensic & Cyber Applications
Connectors normally called “input-output connectors” (or I/O for short)
are interfaces for linking devices by using cables.
They generally have a male end with pins protruding from it. This plug is meant to be inserted into a socket, which includes holes for accommodating the pins.
However, there are “hermaphroditic” plugs which can act as either male or female plugs, and can be inserted into either one.
The computer’s motherboard has a certain number of input-output connectors located on the “rear panel.“
Most motherboards have the following connectors:
Serial port, which uses a DB9 connector, for connecting older devices
Parallel port, which uses a DB25 connector, mainly for connecting old printers
USB ports (1.1, low-speed, or 2.0, high-speed), for connecting more recent peripherals
RJ45 connector (called the LAN port or Ethernet port), for connecting the computer to a network. It interfaces with a network card built into the motherboard
VGA connector (called SUB-D15), used for hooking up a monitor. This connector interfaces with the built-in graphics card;
Jacks (Line-In, Line-Out and microphone), for connecting speakers or a hi-fi sound system,
as well as a microphone. This connector interfaces with the built-in sound card.
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