Computer HardwareComputer HardwarePorts and ConnectorsPorts and Connectors

Suleiman MohammedSuleiman Mohammed(mcpn, (mcpn, mncs)mncs)

Institute of Computing & ICT, Ahmadu Bello University, Zaria.Institute of Computing & ICT, Ahmadu Bello University, Zaria.

InstructorInstructor

IntroductionIntroduction In the past connecting devices to your computer are at In the past connecting devices to your computer are at

ease when we only use the keyboard, mouse, monitor and ease when we only use the keyboard, mouse, monitor and printers but now printers but now We have to deal with USB, FireWire, We have to deal with USB, FireWire, network jacks and an assortment of audio and video network jacks and an assortment of audio and video connections. All those will be presented in this presentationconnections. All those will be presented in this presentation

Simple PC With only mouse Simple PC With only mouse New types of Connectors New types of Connectors USB are theUSB are the

keyboard and printerkeyboard and printer for new devices as for new devices as most popularmost popular

Technology grewTechnology grew

What are Ports?What are Ports? On computer, a On computer, a portport is is

generally a specific generally a specific place for being place for being physically connected physically connected to some other device, to some other device, usually with a socket usually with a socket or plug which we call or plug which we call ConnectorsConnectors

Typical Computer Port found behind a desktop PCTypical Computer Port found behind a desktop PC

What are Connectors?What are Connectors?

A connector is any connector used within A connector is any connector used within computers or to connect computers to computers or to connect computers to networks, printers or other devices.networks, printers or other devices.

Many types of computer connectorsMany types of computer connectors

The PS/2 ConnectorThe PS/2 Connector

The PS/2 connector are The PS/2 connector are use for connecting use for connecting keyboard and mouse keyboard and mouse on the modern PCs. on the modern PCs. The PS2 mouse The PS2 mouse connector and port is connector and port is usually green in colour usually green in colour to distinguish it from to distinguish it from the PS2 keyboard, the PS2 keyboard, which is purple. which is purple.

The USB PortThe USB Port Universal Serial Bus: a Universal Serial Bus: a

protocol for transferring protocol for transferring data to and from digital data to and from digital devices. Many digital devices. Many digital cameras and memory card cameras and memory card readers connect to the USB readers connect to the USB port on a computer. port on a computer.

The The Firewire IEEE 1394 PortFirewire IEEE 1394 Port

A type of cabling A type of cabling technology for technology for transferring data to transferring data to and from digital and from digital devices at high devices at high speed. FireWire are speed. FireWire are typically faster than typically faster than those that connect those that connect via USB. via USB.

The The RJ45 Ethernet PortRJ45 Ethernet Port LAN or (Local Area LAN or (Local Area

Network) uses a CAT5 Network) uses a CAT5 cable and a RJ45 cable and a RJ45 connection. The CAT 5 connection. The CAT 5 cable  is also called cable  is also called the Ethernet Cable.the Ethernet Cable.

Network connection Network connection generally uses a generally uses a 10/100 Mbps speed. 10/100 Mbps speed. This means it has two This means it has two different speeds 10 different speeds 10 Mbps and 100 Mbps. Mbps and 100 Mbps.

DB25 Parallel PortDB25 Parallel Port The printer connects The printer connects

to your computer with to your computer with a Parallel connector. a Parallel connector. This connector has 25 This connector has 25 pins. pins.

Parallel means the Parallel means the device is capable of device is capable of receiving more than receiving more than one bit at a time (that one bit at a time (that is, it receives several is, it receives several bits in parallel). bits in parallel).

End of PresentationEnd of Presentation

Thank youThank you