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Greetings to all Steemians

| |- | I hope you all are doing well and enjoying your life. I pray that you will always be happy. First of all, I am thankful @malikusman1 that you have organising a unique type of contest. |What does USB stand for?| |-| ![IMG_2595.jpeg](https://cdn.steemitimages.com/DQmTDNm4gb1R2HcoFnhVYbYw3KCvkHVRwKfAHuXoFdFjvhL/IMG_2595.jpeg)[source ](https://www.freepik.com/premium-vector/internet_27549287.htm#query=Mother%20board%20of%20computer%20adress%20bus%20data%20bus&position=6&from_view=search&track=ais&uuid=5620baa4-9fe2-4974-82b9-c09685c652f9) USB stands for Universal Serial Bus. The computer's hard disk is divided into tracks and sectors. If you want to take or store any data from the computer memory, behind it the work is running on the back end, buses are used inside the computer.

![IMG_2594.jpeg](https://cdn.steemitimages.com/DQmYbk4vrjK8YwXbrJrfKjHwPdmFr4icdEBy4PKEKFuHMRZ/IMG_2594.jpeg) [source ](https://www.freepik.com/premium-vector/internet_27549287.htm#query=Mother%20board%20of%20computer%20adress%20bus%20data%20bus&position=6&from_view=search&track=ais&uuid=5620baa4-9fe2-4974-82b9-c09685c652f9)

You must have heard the word data bus and Address bus. Address bus used to share address of data is where in memory that data is and the data bus transfers that data. USB is a universal serial bus which is used for transfer or receiving any kind of data on a computer. It is the most widely used computer terminology. |How does a smartphone connect to the internet?| |-| ![IMG_2597.jpeg](https://cdn.steemitimages.com/DQmXb18QMxzXJguaRgHyR9JedUS9RFgPuydsgheV4bwsL7G/IMG_2597.jpeg) [source ](https://www.freepik.com/premium-vector/internet_27549287.htm#query=Mother%20board%20of%20computer%20adress%20bus%20data%20bus&position=6&from_view=search&track=ais&uuid=5620baa4-9fe2-4974-82b9-c09685c652f9) There are various network service providers in Pakistan such as Telenor, Ufone, Zong and Moblink. The mobile phone connects to the different towers that are installed by these network service providers at different locations through the radio signal and from which the mobile gets internet connection. .

![IMG_2596.jpeg](https://cdn.steemitimages.com/DQmQYQrNk6unHSacXvxmheVbiU2oSzS8TjExJ6kxNCw43nu/IMG_2596.jpeg)[source](https://www.freepik.com/premium-vector/internet_27549287.htm#query=Mother%20board%20of%20computer%20adress%20bus%20data%20bus&position=6&from_view=search&track=ais&uuid=5620baa4-9fe2-4974-82b9-c09685c652f9)

A mobile phone has a mechanism inside that receives signals through radio waves. Apart from secular data, another type is Wi-Fi wireless net service. There is an internet connection in the home and office etc. It provides the signals to the mobile through the router, but it gives the signal to a specific area range | What is the main function of an email?| |-| ![IMG_2598.jpeg](https://cdn.steemitimages.com/DQmctJUiJXudJDPYRXAnfKN4AJ7tVubMWBFJBGRNq41Dr7H/IMG_2598.jpeg)[source ](https://www.freepik.com/premium-vector/internet_27549287.htm#query=Mother%20board%20of%20computer%20adress%20bus%20data%20bus&position=6&from_view=search&track=ais&uuid=5620baa4-9fe2-4974-82b9-c09685c652f9) E mail stands for electronic mail. It refers to sending and receiving messages through computers and the Internet. A person sitting in a corner of the world can send a message to a person sitting in another place in the world in a few seconds. The invention of the internet and e-mail has revolutionized the world. Before its invention, it used to take weeks for people to send a message from one place to another. Email is considered to be a very effective way of sending or receiving a message. You can also send the document by attaching it to the email. |🌻Thanks for visiting my post 🌻 | |-| ![4i88GgaV8qiFU89taP2MgKXzwntUGAvkoQiKU7VxyD37q9Ape7V1qmwQ5qp8GWXx87pD3NM44jqK6ME62YF4sgYuLFRYyBykA6YPXTh8TtcSfd5anYPsrjDq5Y.png](https://cdn.steemitimages.com/DQmVWyps8PaTHPBrxF4PoZ9oDTKGmCkWGut3qb1bgr7DpTH/4i88GgaV8qiFU89taP2MgKXzwntUGAvkoQiKU7VxyD37q9Ape7V1qmwQ5qp8GWXx87pD3NM44jqK6ME62YF4sgYuLFRYyBykA6YPXTh8TtcSfd5anYPsrjDq5Y.png) I would invite my friends @aalirubab, @hudamalik20 and @zain-blouch to take part in the contest. Please remember me in your prayers. >With kind Regards @mr-joker ![4i88GgaV8qiFU89taP2MgKXzwntUGAvkoQiKU7VxyD37q9Ape7V1qmwQ5qp8GWXx87pD3NM44jqK6ME62YF4sgYuLFRYyBykA6YPXTh8TtcSfd5anYPsrjDq5Y.png](https://cdn.steemitimages.com/DQmVWyps8PaTHPBrxF4PoZ9oDTKGmCkWGut3qb1bgr7DpTH/4i88GgaV8qiFU89taP2MgKXzwntUGAvkoQiKU7VxyD37q9Ape7V1qmwQ5qp8GWXx87pD3NM44jqK6ME62YF4sgYuLFRYyBykA6YPXTh8TtcSfd5anYPsrjDq5Y.png) ![A5tMjLhTTnj4UJ3Q17DFR9PmiB5HnomwsPZ1BrfGqKbjdep9XdjD5XCGLYCzxH1VmTGELMjUzHwb3WCzZuNWxcfCzE9uHGjcziRmjhwTdKfHJRXwvUw6cHG1hPoUrk...a6XvwTSmPAnE5WMd13DrhCYfunfLk33q56s71MSSeKrXkbWBdzQXMUmPgQPPKq5bEaXQZaMMSi3GTJ8XfhQzPF75FXJfGuoUa1SNQedjDLWbPho7umu1uBYiHC.png](https://cdn.steemitimages.com/DQmcixgKGFX1buSwy4WFF47mhZkYxax4BRcGoYtyiihg9Zf/A5tMjLhTTnj4UJ3Q17DFR9PmiB5HnomwsPZ1BrfGqKbjdep9XdjD5XCGLYCzxH1VmTGELMjUzHwb3WCzZuNWxcfCzE9uHGjcziRmjhwTdKfHJRXwvUw6cHG1hPoUrk...a6XvwTSmPAnE5WMd13DrhCYfunfLk33q56s71MSSeKrXkbWBdzQXMUmPgQPPKq5bEaXQZaMMSi3GTJ8XfhQzPF75FXJfGuoUa1SNQedjDLWbPho7umu1uBYiHC.png)