- Ports are connecting sockets, used to connect peripheral devices on the system unit.
- Hardware ports are usually male or female type.
- Software ports are virtual or logical connection needed to exchange information between the programs.
- Several hardware ports are available at backside of the cabinet like keyboard, mouse, monitor, printer, modem etc.
- Data is transferred one bit at a time.
- Very good for long distance.
- Mouse, keyboard and video uses serial ports.
- To connect external devices that sends lot of data over a short distance.
- Sends 8 bit data simultaneously over 8 pins.
- Mostly used in printers.
- Also called as RJ45 ports.
- Most computer and laptop includes one built-in Ethernet port for connecting to a wired Local Area Network (LAN).
- Data rate speed varies from 10 MBPS - 1000 MBPS depending upon the type of port used like 10BaseT - 10 MBPS, 100BaseT - 100 MBPS and Giga Ethernet - 1000 MBPS.
USB (Universal Serial Bus) ports:
- Consists of 4 pins : Pin 1 - Vcc(+5V)
Pin 2,3 - Data
Pin 4 - Ground
- Supports plug-and-play and hot plugging.
- Max speed USB 1.0 - 12 MBPS
USB 2.0 - 60 MBPS
USB 3.0 - 4.8 GBPS
HPSB (High Performance Serial Bus) ports:
- Also know as Fire wire bus.
- Works like USB buses but at higher speeds.
- Typically used to connect digital cam.
Enable/disable USB ports
Right click on My Computer and then select manage option. A new window Computer Management will be displayed, in that select system tools and then select device manager. On right side a list of attached components will be displayed, in that select USB ports. Right click on it and disable the ports.
It is only possible, if user account has admin rights.