Ports
Definition
- Ports are connecting sockets, used to connect peripheral devices on the system unit.
Description
- 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.
Types
Serial ports:
- Data is transferred one bit at a time.
- Very good for long distance.
- Mouse, keyboard and video uses serial ports.
Parallel 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.
Ethernet ports:
- 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.
Tip Box
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.
Advertisement
Terms of Use | Privacy Policy | Contact Us | Advertise
CodesandTutorials © 2014 All Rights Reserved
