1. Press the F5 key to start the presentation slide show.

2. View Show option is selected from the Slide Show menu to start the slide show of the presentation.

3. Shift+F5: Starts the slide show from the current slide.

1. Extensions are called top-level domains.

2. File extensions are used so that the computer's operating system or OS can recognize the file type.

3. A file extension primarily refers to a suffix added to the end of a computer file (an object containing information, data or commands) to define the file type.

1. Information is organized into horizontal and vertical columns using tables for easy reading.

2. In MS Excel 2010, the horizontal bar is located at the bottom right of the screen.

The following method is used to close the file of MS PowerPoint 2010.

- Click on the File tab and then click on the Close option.

- You can click on the close button appearing on the top right side of the window.

- The keyboard shortcut Ctrl + W can be used.

1. Internet means-

The Internet is a worldwide network of computers. The Internet consists of many local, regional, national and international networks. It is an international network of computers that interconnects millions of enterprises, government agencies, educational institutions individuals, etc. There is no denying the fact that the Internet has created a revolution in the way we live our lives. It has changed the way we communicate, do business and receive information, as well as our entertainment.

2. Network meaning is-

- A network is a group of computers that are interconnected through various devices so that they can communicate with each other.

Networks can be classified in many ways. One way to classify networks is based on the area they cover.

- A local Area Network (LAN) is a network in an office, building or premises.

- Metropolitan Area Network (MAN) is a network within a city.

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.

1. If a company wants to include its company name and logo at the bottom of each page of the brochure, the footer is to be used.

2. Inserting a header or footer in MS Word is a simple process that can be completed in just a few steps.

- Open the document in MS Word in which you want to insert a header or footer.

- Click on the “Insert” tab at the top of the MS Word window which is to the right of the Home tab. You can also open the insert tab by pressing the MS Word shortcut key “Alt+N”.

- In the “Header & Footer” group, click the “header” or “footer” button, depending on what you want to insert into your document.

- A menu will appear with various header and footer options. Select the desired option and then click “OK”.

- Header or Footer will now be inserted into your document. You can type directly into it or add images and other content as desired. When you're finished, click outside the header or footer area to return to the document.