Complete Information About Computer Buttons And Ports

Complete Information About Computer Buttons And Ports

Complete information about Computer Buttons and Ports: The computer cannot do its work alone. He takes the help of assistive devices to do any task. These accessories are connected to the computer through Ports and Slots. Buttons are used to turn on / off.

In this lesson, we will give you complete information about all the major ports, slots and buttons available on the computer. To facilitate the study, this Lesson is divided into the following parts.

Table of Content


  1. Introduction to Computer Ports - Introduction to Computer Ports
  2. Information on the names of the buttons and ports available in the Computer Front Case
  3. Information on the names of the ports and buttons available in the Computer Back Case (back)
  4. what have you learned?

Introduction to Computer Ports - Introduction to Computer Ports

Look at your computer cabinet and count the holes that appear in it. Your number will reach around the clock. Which will be present in different shapes and textures.

These holes are called Connector and Buttons. With the help of which the computer connects the assistive devices. Therefore it is important to know about them. These connectors may vary from computer to computer. And some connectors can also be replaced by any manufacturers. Whose information you can get from the manual available by Manufacturers.

Here we are giving you complete information about the connectors used and used in computers. These connectors are on both sides of the front and back in the Computer Case. Therefore, we will learn about them one by one.

1. Information on the names of the buttons and ports available in the Computer Front Case
Computer Front Case Button and Ports with Name

The front part of the computer cabinet is called the front case. There are a few knots on this side. Which you can see in the photo above.

  1. DVD Writer - DVD Writer is available in the front case of a computer. Through this, we burn CDs / DVDs, etc.
  2. Button - This is called DVD Writer Button. The writer is used in / out by this.
  3. USB Port - USB devices are connected through them.
  4. Start Button - The computer is started by this button. And you can also stop. But, this is not the right approach.
  5. Audio Jacks - Audio devices (Speaker, Microphone), etc. can be connected by them.
  6. Restart Button - The computer is restarted by this button.
  7. Indicator Light - This light indicates whether the computer is on or off.

Information on the names of the ports and buttons available in the Computer Back Case (back)

The back of the computer cabinet is called the Back Case. This site has some important and useful connectors, which you can see in the photo above. These are being explained below.


  1. Power Connector - Here Power Supply is connected to the computer. This port is in SMPS.
  2. Cooling Fan - This fan is meant to give cooling to SMPS.
  3. Switch - This button is found in some SMPS which is used to turn Power On / Off.
  4. Screw - With their help, we can open and close the Computer Case.
  5. PS / 2 Port - Keyboard and Mouse are connected in these ports. Nowadays they are used very rarely.
  6. USB Port - This port is very much used. Because nowadays all devices are USB enabled. Which are connected to the computer by USB ports?
  7. Parallel Port - Printer and Scanner are connected to the computer through this port.
  8. VGA Port - Monitor is connected via VGA Port.
  9. CPU Cooling Fan - The heat generated by the CPU is controlled by this fan.
  10. Ethernet Port - This port is also called LAN. Internet cable is connected through this port.
  11. Audio Jacks - Audio Jacks are used to connecting the Audio Device.
  12. Expansion Slots - Expansion Slots are used to add some additional equipment to enhance computer performance. like; Video Cards, Sound Cards, etc.
  13. Expansion Cards - The devices connected in Expansion Slots are called Expansion Cards.

What Have You Learned?

In this Lesson, we have given you complete information about Computer Ports and Buttons. You have learned about all the ports and buttons in Computer Front Case and Computer Back Case. We hope that this Lesson will prove useful to you.

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