Unit 02 - Computer Ports | #Grade_10 #06 #Tamil

Computer Ports 
The interfaces which connect computer with its devices or with other computers are called ports. (Figure 2.48) Ports are positioned in the front or back of the computer. There are symbols to identify posts. All the ports are connected to the motherboard.


1. PS/2 Port
Used to connect the keyboard and the mouse to the computer system. The purple port is for the keyboard and the green port is for the mouse. (Figure 2.50) However, USB port is mostly used today to connect the keyboard and the mouse to the computer system.


2. Parallel Port
Used to connect the printer to the computer system. This consists of 25 holes. However, USB port is mostly used today to connect printers to computer systems.


3. HDMI (High - Definition Multimedia
Interface) port This port can be seen especially in laptops. (Figure 2.52) It connects the monitor, multimedia projector, digital TVs, and digital speakers to the computer.


4. RJ 45 Port
This port connects computer of a computer network to the network router, network switch.

5. Audio Ports/ Jacks
This port connects audio media like microphones, speakers and head phones to the computer system.

  • Blue – Line In
  • Green – Line Out, Head Phone
  • Pink – Microphone


6. USB (Universal Serial Bus Port)
This port is used to connect many types of input and output devices to the computer.



7. Video port - VGA (Video Graphics Adapter)
This is also called the Graphic Port. This connects the monitor, or multimedia projector to the computer system. The port consists of 15 holes.


8. Serial port
This port connects devices such as modem to the computer. Today, USB port is used instead of the serial port


Unit 02 - Computer Ports | #Grade_10 #06 #Tamil



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Hello, I’m Ramzan Graphics Designer and WEB Developer from Mutur, Trincomalee Sri Lanka.I am owner of Ram Soft Tm. I hold a Pearson BTEC HND in Computing from ESOFT Metro Campus.
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