1. The file extension in PowerPoint 2010 is .pptx.

2. It is an open XML (Open XML) format used in PowerPoint 2007 and later versions.

3. .pptx files can also be opened with other presentation software, such as OpenOffice Impress, Google Slides, and Apple Keynote.

1. File menu in PowerPoint 2010 is also called Backstage View. This is a new interface that Microsoft introduced in Office 2010. In Backstage View, all the File menu options are organized in one place, making them easy to find and use.

2. The main creators of MS PowerPoint software are Robert Gaskins and Dennis Austin, which was launched in 1987.

3. Education, marketing, business, etc. are areas where PPT is extremely useful.

1. M.S. The following charts can be created in Excel.

- Column - Chart

- line chart

- Pie chart

- Donut chart

- Bar chart

- Area Chart

- XY (Scatter) chart

- Bubble chart

- Stock Chart

- Surface Chart

- Radar chart

- Combo chart

1. In MS Excel, the text option is used for formatting the cell's content.

2. Under the formatting of text, alignment of the font in the cell, style of font, the colour of font, bold, italics, underline, fill colour, border colour, the format of numbers, format of date, format of decimal digits, wrap text ( Wrapping text), Shrink to fit, Orientation (vertically and horizontally), etc.

3. Use the following steps for formatting the text-

1. Select the cells or range that need to be formatted.

2. Select the Cell option from the Format menu on the menu bar.

3. You will get different tabs for different formats.

4. Click on the Font tab and do the formatting as required.

5. Finally click on the OK button.

Can be placed in a cell of Microsoft Excel.

- Number

- Text

- Formula

1. When the Tab key is pressed, 4 space characters are inserted.

2. The following are the tasks performed by the keyboard-

- With its help, alpha-numerical data is easily input into the computer.

- In the absence of a mouse, many of the tasks done by the mouse can be done.

- Through this, commands are given to the computer.

- By using the combination of buttons (shortcut keys) present in it, many operations can be performed, which saves a lot of time.

- Apart from this, tasks like playing games, controlling music etc. can be done.

1. The maximum number of characters a cell can contain in a worksheet is 256.

2. A file is a container in a computer system that stores data, information, settings, or commands, used with a computer program.

3. In graphical user interfaces (GUI), such as Microsoft operating systems, files are represented as icons that are associated with the program that opens the file.