Buttons and ports on a computer

Take a look at the front and back of your computer case and count the number of buttons, ports, and slots you see. Now look at your monitor and count any you find there. You probably counted at least 10, and maybe a lot more.

Each computer is different, so the buttons, ports, and sockets will vary from computer to computer. However, there are certain ones you can expect to find on most desktop computers. Learning how these ports are used will help whenever you need to connect something to your computer, like a new printer, keyboard, or mouse.

Modern computers also have many different designs and textures, so the location and number of buttons or connectors are not the same.However, there are a few basic buttons and connectors that all cheap to luxurious desktop systems will have.Understanding how these ports are used will be essential if you are a frequent user of a computer, especially if you need to connect something to your computer, such as a printer, keyboard or mouse.

1. Computer Front Case

The front part of the Computer Cabinet is called Front Case. There are only a few buttons on this side. Which you can see in the photo above.

1. DVD Writer – DVD Writer is available in the front case of the computer. Through this we burn CDs / DVDs.
2. Button – This is called DVD Writer Button. Writer is done in / out by it.
3.  USB port – connects USB devices through these
4. Start Button – The computer is powered by this button. And you can also stop But, this is not the right way.
5. Audio Jacks – Can be connected to Audio Devices (Speaker, Microphone) etc. by
6. Restart Button – This button restart the computer.
7. Indicator Light – This light indicates that the computer is running or shut down.

2. Computer Back Case

The back section of the Computer Cabinet is called Back Case. There are some important and useful Connectors on this side. You can see that in the photo above. These are being explained below.

1. Power Connector – Here the computer is connected to Power Supply. This port is in SMPS.
2. Cooling Fan – This fan is meant to give cooling to SMPS.
3. Switch – This button is found in any SMPS which is used to turn on / off Power.
4. Screw – With the help of these, we can open and close Computer Case.
5. Keyboard / Mouse is connected to PS / 2 Port – In Port. Nowadays they are used very little.
6. USB port – This port is much more used. Because nowadays all devices are USB enabled. Which is connected to the computer by USB ports.
7. Parallel Port – Printer and Scanner are connected to this computer via this port.
8. The monitor is connected via VGA port – 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. Through this port the internet is connected to the cable.
11. Audio Jacks – Audio Jacks are used to connect the audio device.
12. Expansion Slots – Expansion Slots are used to add some additional tools to increase computer performance. like; Video Cards, Sound Cards etc.
13. Expansion Cards – Expansion devices connected in slots are called Expansion Cards.

Power button: Power button is used to turn on and turn off the computer.

Reset button: Used to restart the computer in an emergency.

Audio In / Audio Out Audio Port : Used to connect audio devices such as speakers, headsets, mic (usually 3.5mm).

USB (Universal Serial Bus): Most desktop computers have more than 2 USB ports.They can be used to connect almost any type of device, including mice, keyboards, digital camera printers and USB storage.They often appear on the front and back of the computer tree.

The back of the computer tree

The back of the computer tree will often have connection ports designed to suit each specific device.The location of these ports will vary depending on the type of computer as well as the manufacturer.In addition, many manufacturers also have special connection ports, specifically for specific devices.Some ports can be color coded to help you determine the purpose of use and the device can be paired with that port.

Basically the back of the computer tree will have the following connection ports:

Power outlet: This is where you will connect the power cord to the computer to power the entire system.

Audio In / Audio Out Audio Port: Used to connect audio devices such as speakers, headsets, mic (usually 3.5mm).

Network port: This port looks very similar to the modem port or phone port, but it is slightly wider.You can use this port to connect your computer to the Internet.

USB port: On most desktop computers, most USB ports are located on the back of the computer tree.In general, you should connect your mouse and keyboard to these ports and keep the front USB ports blank to be used for digital cameras, USB storage and other devices.

Screen port : This is where you will connect the CPU tree to the screen via your monitor cable.In the illustration above the head, the computer has both DisplayPort and VGA ports, which are ports to connect to output devices such as monitors or projectors.Different computers may have different types of screen ports, such as DVI (intuitive digital interface) or HDMI (high-resolution multimedia interface).

1. Difference between HDMI and DVI

Serial port : This port is less common on modern computers.It is often used to connect peripherals like digital cameras, but today it has been replaced with USB ports and other port types.

PS / 2 ports : These ports are sometimes used to connect mice and keyboards.Normally, the mouse port will be green and the keyboard port will be purple.On modern computers, these ports have been omitted and replaced with USB ports.

Expansion slot: These slots are where expansion cards and removable cards are added to the computer.For example, if your computer does not come with a video card, you can buy a discrete video card and install it in these slots.

Parallel port: This is an old port, less popular on modern computers.Like the serial port, it has been replaced with a USB port to simplify and optimize the area.