1. The main page of a website is the home page which acts as a gateway to the rest of the pages of the website. The home page is usually the gateway to the website.

2. A home page is a webpage that serves as the starting point of a website.

3. This is the default webpage that loads when visiting a web address that contains only a domain name.

A switching hub, also known as a network switch, is designed to send packets using package addresses. A network switch operates at the data link layer of the OSI model and uses MAC addresses to forward data frames to specific devices within a local area network (LAN). Unlike a hub, which simply broadcasts data to all devices in the network, a switch intelligently forwards packets only to the device intended to receive the data, increasing network efficiency and reducing unnecessary network traffic.

1. The shortcut key to open File Explorer or File Manager is Ctrl + O.

2. In Microsoft Excel and all other spreadsheet programs, pressing Ctrl+O brings up the Open window, allowing you to load an existing spreadsheet stored on your computer.

3. In Microsoft Word and other word processors, pressing Ctrl+O brings up the Open window, allowing you to load an existing document stored on your computer.

1. Optical Mark Reading (OMR) is a method of entering data into a computer system.

2. Optical mark readers read pencil or pen marks made in pre-determined positions on paper forms as answers to questions or tick list signs.

1. It is an international online software store developed by Google for Android devices.

2. Google Play is an online store where people can find their favorite applications, games, movies, TV shows, books, and more.

3. There are 2 million applications and games available for billions of people in the world.

4. So far, developers have earned more than $120 billion from these.