1. In Microsoft Word, Excel, and PowerPoint, the shortcut key to open a new document or window is Ctrl+N. Pressing this key will open a new document or window.

2. If you want to open a specific type of document, you can select a specific document type following the Ctrl+N key combination. For example, if you want to open a new Word document, you can select Word Document followed by the Ctrl+N key combination.

3. Here are some other shortcut keys that can be used to open a new document or window-

- Ctrl+O: Open an existing document

- Ctrl+S: Save the current document

- Ctrl+P: Print the current document

- Ctrl+X: Cut selected content

- Ctrl+C: Copy selected content

- Ctrl+V: Paste selected content

- Ctrl+Z: Cancel previous action

- Ctrl+Y: Redo the previous action

1. According to the IT Act, Section 67 prevents the publication of obscene material.

2. Under Section 67 of the IT Act, if any objectionable video of any kind is posted on the internet, there is a provision to take action against the person.