Integrated circuits (ICs) were first introduced during the third generation of computers. The third generation of computers, which emerged in the 1960s, saw the development and widespread use of integrated circuits. These tiny electronic circuits contained multiple transistors, resistors, and capacitors on a single semiconductor chip. The use of integrated circuits significantly reduced the size of computers, increased their processing speed, and improved their reliability, marking a significant advancement in computer technology.

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. There are a total of 12 function keys on the keyboard, labelled F1 to F12.

2. These keys usually perform a special function defined by the operating system or the currently running program.

- F1 key: It is used as a help key in almost every program. When this key is pressed a help screen opens.

- F2 key: In Microsoft Windows, renames a highlighted icon, file, or folder in all versions of Windows.

- F3 key: When on the Windows desktop, often opens a search feature for many programs, including Microsoft Windows.

- F4 key: Use to open or find a window in Windows 95 to XP.

- F5 key: In all modern Internet browsers, pressing F5 refreshes or reloads the page or document window.

- F6 key: Move the cursor to the address bar in Internet Explorer, Mozilla Firefox, and most other Internet browsers.

- F7 key: Commonly used to perform a grammar check in Microsoft programs, such as Microsoft Word, Outlook, etc.

- F8 key: It is used to enter the Windows Startup Menu.

- F9 key: Used to refresh the document in Microsoft Word.

- F10 key: In Microsoft Windows, activate the menu bar of an open application.

- F11 key: Used to enter and exit full-screen mode in all modern Internet browsers.

- F12 key: Use the Save As window in Microsoft Word.

Applications for almost all documents can be made through the e-Mitra portal.

1. Citizens of e-Mitra portal are given the facility to apply under more than 300 schemes.

2. The main services of e-Mitra are:- Aadhar Card, Jan Aadhar Card, Bhamashah Card, Income Certificate, Caste Certificate, Residence Certificate, Ration Card, Death Certificate, Driving License, etc.

Examples of social networking sites are.

Facebook

Twitter

Instagram

Google+

WhatsApp

Quora

LinkedIn

Pinterest

Snapchat

MySpace

Telegram

WeChat

Flickr

Meetup