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.

The option is available in the Quick Access Toolbar.

- ctrl + s

- ctrl + z

- ctrl + y

1. It is an international online software store developed by Google for Android devices.

2. Google Play is an online store where people can find their favorite applications, games, movies, TV shows, books, and more.

3. There are 2 million applications and games available for billions of people in the world.

4. So far, developers have earned more than $120 billion from these.

1. DOS is not an example of a mobile operating system.

2. Android Android (Android Droid) and Apple iOS (Apple iOS) is a mobile operating system.

3. Mobile operating systems are operating systems that run on mobile devices such as smartphones, tablets, and smartwatches.

1. Full form of IRCTC is Indian Railway Catering and Tourism Corporation.

2. The website https://www.irctc.co.in belongs to Indian Railways.

3. IRCTC has revolutionized the lives of the common man traveling by Indian Railways.

4. IRCTC online ticket booking system is a boon for the common man, empowering him through technology.

The following are required to file income tax return online:

PAN Card: It is a mandatory document that authenticates you as identity and address proof for filing income tax returns.

Aadhaar Card: This is an optional document that can be used as identity proof.

Form 16: This is a certificate that shows your income and deductions. Your employer provides you with Form 16.

Bank account details: You will use your bank account to pay your return.

Copy of previous year's return: A copy of the previous year's return is also required.

Internet Connection: You will need an internet connection to file your return on the Income Tax Department website.

Application for Government Services and Fee Payment: Using the e-Mitra portal, citizens can apply for various government services and pay fees. These services include-

- Bill payment Home

- Application for certificates

- Filing of grievances

- Birth certificate

- Death certificate

- Caste certificate

- Basic address proof

- Ration card

- Passport

- driving license