KESHAV RAVINDRA SAHU

9/SOURCES OF ELECTRICITY We have seen the various types of battery or cell in our houses. An earliest cell know as simple Volta cell was discovered by an Italian scientist, Alessandro Volta (1745-1827 ). He discovered that when plates of two different metals are placed in an acid solution electricity is produced. This cell consists of two metal plates: a zinc plate and a copper plate. Dilute sulphuric acid is used as the solution between the two plates. When the two plates are connected to a battery bulb it starts glowing. (Besides some of source current place in The dr and clo Leclan voltage A dry of zir term 90[©:/KESHAV SINGH :®/]

CONDUCTORS AND INSULATORS While studying about different concepts of electric circuit, you must have noticed that the copper wires allow electric current to pass through them and substances like wood and rubber do not allow the electric current to pass through them. The copper wire is a conductor of the electric current whereas wood is an insulator of the electric current.[©:/KESHAV SINGH :®/]

MAP Distance )Maps are drawn according to the scale. Maps reduce the world or a state to fit into a sheet of paper. We can find the actual distance between two places given in the map. Scale is the ratio between the actual distance on the ground and the distance shown on the map. For example, distance between two places is 2 cm and the scale is 1 cm = 10 km. The actual distance between those two places will be 20 km. A scale can be shown in three ways:[©:/KESHAV SINGH :®/]

Investors won't lose anything, but the shares of Google's owner will plunge 20-fold.  As we wrote earlier, Alphabet intends to split its shares in July 2022. Currently, the securities are worth more than $3,000, but due to the split they are going to be more affordable for investors.  The board of directors of Alphabet, Google's parent company, has approved a 20:1 split of shares. The company plans to split all three classes of securities, A, B and C. Each investor on the share register as of July 1, 2022, will receive 19 additional shares after the close of trading on July 15. As The Wall Street Journal notes, trading with the split amendment will begin July 18. Before that, however, the board's decision must be approved by the company's shareholders.

"Internet' is one of the easiest* and cheapest way of getting connected to the people. It is the most popular way of getting information about organisations at distant places. Internet is a huge worldwide network of computers connected to each other. It has become very popular due to its fast and quick response.[©:/KESHAV SINGH :®/]

Info : Functions of the Internet Internet allows people on one computer to send messages to people on another computer. It helps in transferring files from one computer to the another. It is the easiest and the most economical way of communicating with the people sitting at the different corners of the world in real time. It is known as chatting. It helps in doing shopping while sitting at our home.[©:/KESHAV SINGH :®/]

History of the internet  Info : In 1969, the US Department of Defence started with a project to allow researchers and military personnel to communicate with each other in an emergency and named the project as ARPANET. Later in 1980s another federal agency, National Science Foundation, created a new network called NSF NET for academic and engineering research. This network was more capable than ARPANET. NSF NET allowed only the researchers to be connected with its network and any kind of private business was not allowed on it. Internet Explorer World Wide Web The World Wide Web refers electronic documents, which other just like a spider's web. known as web pages. It is th the Internet so user-friendly It is the WWW, which ena mation stored in the c ternet. Mozil In 1980s some more private companies started with their own new projects and later joined hands with ARPANET and NSF NET, and thus sowed the seeds of Internet. Therefore in 1990s, with the advent of WWW came what...

How does internet work? Info : Since Internet is actually a network of networks, ordinary users of computers are not connected directly to the Internet. Instead they are connected to smaller networks, which in turn are connected to the Internet backbone through gateways. A Gateway is a device that connects two dissimilar networks. 82[©:/KESHAV SINGH :®/]

Copying the Text from the Web To copy text, follow the given steps: e most frequently used documents, images, sound and more from individual servers around the world. Some of the The search tool provides us with URLs to other pages. We click on these links, and retrieve popular web search engines are yahoo.com , altavista.com , google.com , msn.com . Release the mouse, place the pointer within the highlighted text and right-click. A pop-up menu appears. Select Copy from the pop-up menu. Go to the document to paste the copied text into, right-click and select Paste from the pop-up menu. Place the mouse pointer on the image, a better practice would be to place the pointer in the middle of the image. Right-click and select Save Picture As from the pop-up menu. In the Save As dialog box, locate the file or image that is to be saved in and give a name that you will recognize. Click OK.[©:/KESHAV SINGH :®/]

/उड़ चल हारिल लिए हाथ में यही अकेला ओछा तिनका ऊषा जाग उठी प्राची में कैसी बाट, भरोसा किनका ! शक्ति रहे तेरे हाथों में छूट न जाए चाह सृजन की शक्ति रहे तेरे पाँवों में रुक न जाए यह गति जीवन की ! ऊपर..... बढ़ा चीर चल दिग्मंडल अनथक पंखों की चोटों से नभ में एक मचा दे हलचल ! तिनका तेरे हाथों में हैं अमर एक रचना का साधन तिनका तेरे पंजे में है विधना के प्राणों का स्पंदन! काँप न, यद्यपि दसों दिशा में तुझे शून्य नभ घेर रहा है रुक न यद्यपि उपहास जगत का तुझको पथ से हेर रहा है![©:/KESHAV SINGH :®/]

Windows 10 is the most recent version of the Microsoft Windows operating system. There b been many different versions of Windows over the years, including Windows 8 (release 2012), Windows 7 (2009), Windows Vista (2006), and Windows XP (2001). While older versi of Windows mainly ran on desktop and laptop computers, Windows 10 is also designed to we equally well on tablets. tile rea dra To til Pi als How is Windows 10 different from other versions? Windows 10 looks and feels similar to older versions. Still, it includes a lot of new features and improvements. Windows Start Menu One of the most important features in Windows 10 is the Start menu. You'll use the Start to open apps, access commonly used folders, and a whole lot more. The Start menu of Windows 10 is the combination of Windows 7 Start menu and Window Start screen. On the left of the Windows 10 Start menu, the middle section shows the m used and many recent added apps and programs. You can also find File Explorer, Settings...