1. The primary purpose of a computer is to process data and convert it into information. Data is defined as unprocessed information, which is then processed or structured to provide meaningful results. Information is defined as data that can be used for a specific purpose.

2. Computers process data in the following ways-

- Input: Computers receive data through input devices, such as a keyboard, mouse, or camera.

- Processing: Computers process data through processors. The processor operates on data according to a set of instructions.

- Output: Computers display data through output devices, such as monitors, printers, or speakers.

1. The Esc key will not advance the slide in the slideshow view.

2. There is a button on the left side of the keyboard which is called “ESC Key”. This key is right next to the Functions Keys.

3. It is mostly used to cancel a command. As-

- An open Dialog Box can also be closed with the Escape key without using the mouse.

- A website being loaded in a browser can be cancelled by using the Escape key. That is, the website is not allowed to load.

- It is also used in many games to cancel Kari.

- The videos shown on the full screen of the media player can be opened in normal mode by using the Escape key.

- It is also used to cancel a wrong entry in an input field.

- Open Start Menu or PullDown Menu can be closed quickly by Esc key.

1. If you want to repeat the row/column on all pages while printing in MS Excel 2010 then you can use Print Titles.

A new laptop has been designed that weighs less, is smaller and uses less power than previous laptop models. Solid-state hard drive technology has been used to accomplish this.

1. Mail Merge is a facility in MS Word using multiple or different letters, invitation cards, and personal letters that can be sent to many people in a minimum time.

2. This feature is more useful in a situation when a user has to deliver a letter or invitation card to thousands of people.

3. We can understand mail merge with an example. Suppose we have to send a letter or card to 1000 different people with their names and addresses, in that case, we will have to copy and paste that letter 1000 times for all those people, and then a lot of time will be wasted. A database will be created which will contain the names, addresses and other information of all the recipients. This database file is in MS Excel or MS Access.