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.

The CPU (Central Processing Unit), motherboard, and RAM (Random Access Memory) are internal components of a computer hardware system. These components are essential for the computer to function and are located inside the computer's casing.

Dot matrix printers use printer ribbons. A dot matrix printer is a type of impact printer that produces characters and images on paper by striking a series of dots against an ink-soaked ribbon. The ribbon transfers ink onto the paper to create text and graphics. Dot matrix printers were widely used in the past for tasks such as printing invoices, receipts, and multipart forms.

Laser printer resolution is specified in terms of DPI, which stands for Dots Per Inch. DPI refers to the number of dots a printer can place within one square inch of space on a printed page. Higher DPI values generally result in sharper and more detailed printouts. Laser printers typically offer higher DPI resolutions, such as 600 DPI or 1200 DPI, leading to high-quality text and graphics output.

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.

Examples of social networking sites are.

Facebook

Twitter

Instagram

Google+

WhatsApp

Quora

LinkedIn

Pinterest

Snapchat

MySpace

Telegram

WeChat

Flickr

Meetup

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.

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.