1. A web browser is software used to view websites.

2. When a user requests a web page from a particular website, the browser retrieves its files from the web server and then displays that page on the user's screen.

3. Browsers are used on multiple devices, including desktops, laptops, tablets, and smartphones.

4. Some of the famous internet browsers in the world are – Google Chrome, Microsoft Edge, Microsoft Internet Explorer, Mozilla Firefox, Opera, Apple Safari, and Amazon Silk.

You can restore the following if your computer crashes.

1. Restoring the Windows Registry

2. Restoring installed applications

1. F5 is used to start a presentation from the beginning.

2. We can see how your slideshow looks in full screen.

3. To start the slide show from the current slide, press Shift+F5.

4. The shortcut key to create a new slide in MS PowerPoint 2010 is Ctrl + M.

1. To cut a cell or range in Excel: Ctrl + X can be used to cut a selected cell or range in MS Excel. This copies the data to the clipboard and clears the original cells or range.

2. To cut text: Ctrl + X can be used to cut selected text in any text editor or word processor. This copies the text to the clipboard and frees up the original space.

3. To cut an image or object: Ctrl + X can be used to cut a selected image or object in any graphics program. This copies the image or object to the clipboard and frees up the original space.

1. The full form of USB is Universal Serial Bus.

2. USB is a wired device with the help of which you can connect any other device like mobile with laptop, mobile with computer etc.

3. Apart from this, you can also insert a memory card inside the laptop with its help because it is a port in which we can insert things like Pendrive, Card Reader, Data Cable etc.

1. A presentation design template is used to ensure a uniform display of all the slides present in the presentation.

2. A presentation design template is a ready-made theme that includes text, images, shapes, and colours. Using templates, you can create a uniform look and feel for all slides.