1. We live in an eCommerce-centric world where all types of business models are growing at a rapid pace.

2. This model involves electronic transactions between two customers. Typically, they transact through a third party that provides a platform to those two customers. Websites selling second-hand items are examples of the C2C eCommerce model.

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. 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. 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.

You can restore the following if your computer crashes.

1. Restoring the Windows Registry

2. Restoring installed applications

1. In Microsoft PowerPoint, the Ctrl + D shortcut key inserts a duplicate of the selected slide.

2. Ctrl+D is a keyboard shortcut used in many computer programs to perform various tasks. In a web browser, pressing Ctrl+D adds the current webpage to your bookmarks or favourites list.

3. In Microsoft Excel and Google Sheets, pressing Ctrl+D fills a cell and overwrites it with the contents of the cell in a column above it.