Input / Output Identification

1
Input / Output Identification

• Intro to Computer Technologies

2
Your PCs Backside

• The back view of a typical PC personal computer.

3
Parallel

• This port allows a cable to connect the computer
  to a printer.

Angled edges This means it is keyed so it can
only go in one way. Once it is plugged in, use
the strews to provide a tight connection between
your printer and computer
4
Serial

• This port is a connection for peripherals such as
  a mouse, modem or storage system.

Usually has two on a computer Also referred to as
COM1 and COM2 Keyed Use screws to tighten
5
Personal System/2 (PS/2)

• These ports connect the mouse and keyboard to the
  computer

Keyed Do not try to force in, could bend
pins Not hot swappable
6
Network Interface Card

• The NIC is the computers connection to the
  network.

Could be a telephone line or an Ethernet
connection Keyed
7
Video Graphics Array

• The VGA port allows the computer to connect to a
  monitor(s).

Could be on-board video If an AGP or a PCIe video
card was installed, you would plug the VGA into
that Keyed Use screws to tighten
8
Sound

• These ports allow for connection of speakers and
  microphones.

Red Microphone Jack (connects a standard
computer microphone) Blue Line In Jack
(Connect record/playback devices such as cassette
players, CD players, and VCRs) Green Line Out
Jack (connects computer speakers or headphones.
Amplified to support headphones. Not Keyed
9
Universal Serial Bus

• This port houses many portable devices and is
  also being used for printers, keyboard, and a
  mouse.
• Keyed

10
Power

• This port is for the plug that provides
  electricity to the computer.

AC Adapter Keyed
11
Voltage Expansion Slots

• 1, 2) Expansion Card Slots
• 4) AC Voltage Switch (115 or 230)
• Make sure you have it set to your local AC
  voltage (115 volts AC in North America). Change
  it to the correct value if you need to and
  restart your system.
• Setting the input voltage to 230 volts with 115
  volts as the incoming power is a harmless prank,
  but leaving a North American computer set to 115
  volts and plugging it into 230-volt power will
  destroy the power supply and possibly other
  components. Always leave the power supply set to
  the correct input voltage.

12
Removing/Installing a Video Card

• Power off / Unplug everything
• Open case cover
• Neutralize Yourself
• Remove your old video card from its expansion
  slot.
• Insert your new video card into an expansion
  slot.
• Screw the card into place
• Connect the monitor to your new video card.
• Turn your machine on
• Install the display drivers for your new video
  card.