1. Social media is a technology through which we can share our ideas and information with people.

2. Social media is internet based and it provides instant electronic communication facility to the users. Users connect to social media through a web browser or application from a computer, laptop, tablet or smartphone.

3. Examples of social media –

1. Facebook

2. YouTube

3. Instagram

4. LinkedIn

5. Twitter

6. Whatsapp

7. Pinterest

8. Snapchat

9. Telegram

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

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: 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.

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.

1. Clock speed is used to measure the speed of the processor.

2. Clock speed is the rate at which a processor can complete a processing cycle. It is usually measured in megahertz or gigahertz.

3. One megahertz is equal to one million cycles per second, while one gigahertz is equal to one billion cycles per second. This means that a 1.8 GHz processor has twice the clock speed of a 900 MHz processor.

The mobile wallet can be used for the following functions:

1. Payment: Using a mobile wallet, you can make payments both online and offline. You can pay using your mobile wallet at any store, restaurant, or other business that accepts mobile wallets.

2. Money Transfer: Using a mobile wallet, you can transfer funds from your bank account to another person's bank account. You can send money to your friends, family, or any other person using a mobile wallet.

3. Recharge and bill payments: Using a mobile wallet, you can pay your mobile phone, data pack, electricity bill, water bill, and other bills.

4. Point of Sale (POS) Transactions: Using mobile wallets, you can make payments through POS machines. For POS transactions, you simply need to open your mobile wallet app and tap your phone on the POS machine to make a payment.

1. Icons are small pictures that represent a program, folder, or program function and are displayed in the user's user interface when they are double-clicked.

All statements are true.

- CRT The monitor is the thinnest monitor.

- Dot matrix is the fastest computer.

- CAG memory is slower than the main memory.