1. You can switch pages between portrait and landscape layouts in MS Word, 2010 using the orientation shortcut.

2. The two most common types of orientation are portrait and landscape.

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. In MS Excel 2010, the address of the topmost cell is Al.

2. Microsoft Excel is a commercial spreadsheet application written and distributed by Microsoft for Microsoft Windows and Mac OS X.

3. Microsoft Excel is a spreadsheet tool capable of performing calculations, analyzing data, and integrating information from different programs.

1. Times New Roman is a serif font.

2. Monotype sold the font as "Times New Roman" and Linotype marketed its version as "Times Roman".

3. General typography style in which the vertical lines of characters are straight and not at an angle. This is in contrast to italic, which uses slanted lines.

An electronic payment system using debit cards and credit cards can be done in

1. PPI (pixels per inch) refers to display resolution, or, how many individual pixels are displayed in one inch of a digital image.

2. DPI (dots per inch) refers to printer resolution, or, the number of dots of ink on a printed image.

3. The physical size of an image refers to the dimensions in which it will print (ex: 8.5" x 11") or the pixel dimensions of an image displayed on the web (ex: 600 pixels x 800 pixels).

An output device is a computer hardware device that displays or reproduces information processed by a computer in human-readable form. Output devices usually receive information from the computer through an input device, such as a mouse or keyboard.

Some examples of output devices include-

1. Monitor: A monitor is a visual output device that displays images generated by a computer.

2. Printer: A printer is a physical output device that prints computer-generated documents on paper.

3. Speaker: A speaker is an audio output device that reproduces the sound produced by the computer.

4. Headphone: A headphone is a personal audio output device that reproduces the sound generated by a computer solely for the user to hear.

5. Projector: A projector is similar to a monitor, but it projects images onto a larger screen.

6. GPS Device: A GPS device is an output device that displays its current location to the user on a map or other view.

7. Braille Reader: A Braille reader is an output device that displays computer-generated information in Braille for visually impaired people.

The best way to protect your hard drive data is a multi-tiered approach that includes the following:-

1. Data Backup: This is the most important security measure. If your hard drive fails, is stolen, or the data becomes corrupted, you must have a way to restore the data. Data backups should be maintained regularly and in a safe location.

2. Password Protection: Password protects your hard drive. This will help prevent unauthorized access. Use strong passwords that are easy to remember, but difficult to guess.

3. Encryption: Encrypt your hard drive. This will make the data unreadable to people who do not know the password. Encryption provides an additional security layer that keeps data safe in the event of theft or loss.

4. Virus and malware protection: Install a reliable antivirus and antimalware program on your computer. This will help protect your data from harmful software.

5. Secure file sharing: If you plan to share your data with others, make sure you do so in a secure manner. Use a secure file-sharing service that offers encryption and password protection.