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Keyboard Types, Layout & Technology

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What is Keyboard? Keyboard is an input device attached to a computer. This is used to print the text, numbers and special characters on screen in a document. What we are using today is a refined design of yester year’s research and development.  There are lots of improvements happen from its invention to development keeping in user’s point of view and ease. Now keyboard is most useful peripheral device of a computer. History of Keyboard  The invention of this wonderful device based on tele printer and keypunch machines. Christopher Latham Sholes was an American Inventor who invented the QWERTY keyboard. He was the first man who invented the first commercially used typewriter. He was born in Mooresburg, Pennsylvania on 14th February 1819. His design is the base of development in the field of keyboard. The first computer ENIAC was based on a punch card reader as its input and output device. But after 2years another computer BINAC was developed that was designed to use electro-me...

Converting Numbers to Words in MS Excel

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Converting numbers to words is not an easy job in MS Excel even though no such function is available to do this task. I have tried lots of functions to achieve the conversion of the numeral to words but all went in vain. (There is a small video for your reference which shows the conversion of numerals to words at the end of this blog.)

UNDERSTANDING QR CODE

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The word “QR Code” is registered trademark of DENSO WAVE INCORPORATED in Japan and other countries. What is QR Code? QR code is a small printed code having a vast source of information. Basically, it is a two-dimensional matrix to store information. QR Code stands for Quick Response Code a way of communication. Originating from Japan’s automobile sector. It has spread to worldwide due to its quick response and large amount of data storage facility. QR code consists of black colour square modules arranged in a squared pattern on a white background. It has three square box on three corners of a QR Code. These three square codes basically  position detection pattern that gives the QR code its quick response characteristics. QR technology entirely change the way of accessing and retrieving digital information. It is a digital communication tool that works as a bridge between traditional communication media and digital technologies. Understanding QR Code in Details  QR Code is...

Mouse Types, Technology, Function, and Tricks

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  A mouse is a pointing device attached to the computer. The invention of this device makes the work super easy. This wonderful device was invented by Douglas Englebart in 1964 . This invention makes the computer work easy and accessible to millions of people. Today, we can’t think of a computer without this wonderful device while there is an alternative called “TrackPad” on the laptop. But Mouse is a very easy-to-use device; a novice can learn it fast in a week by practicing it a few hours daily.  Mouse Structure  A standard mouse is consisting of two buttons and a wheel-type button in between these two buttons. These three parts of the mouse help and control the cursor movement on the screen. Actually, a mouse is a camera based on CMOS (complementary metal-oxide-semiconductor) sensor that converts the light into electrical current. It takes the picture of the surface underneath and these images are converted into a data signal for tracing the movement of the pointer on ...

Metaverse a Virtual Universe Parallel to Real Universe

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Metaverse is a new word that is made up of a combination of two words “Meta” and “Universe”, where Meta means beyond and “Verse” refers to Universe.  This term first debuted in Neal Stephenson's 1992 novel "Snow Crash," in which the protagonist, a pizza delivery man, hangs out in an online virtual fantasy world. WHEREAS "Ready Player One," a novel set in the Oasis Metaverse, updated the concept in 2011. There are many movies based on this concept that elaborately show the function of the Metaverse and give an idea of that too like Ready Player One and Avatar etc.  What is Metaverse? I t is a virtual 3D world created for interaction, doing business, and forging social connections using immersive, interactive, and collaborative technology in the field of the Internet. This is the world in which peoples interacts with each other through their respective Avatars using the metaphor of the real world but without its physical limits. Immersive technology is an integrat...

Effect of Power transients on Electronic components / Devices

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A flow of electrical power or charge is characterized as electricity . It is an essential aspect of our lives. It is also true that our lives are completely reliant on it. At night, electricity illuminates our homes and streetlights. It keeps our home cool in the summer with fans and a cooler and warm in the winter with a heater. There is a great deal of equipment that meets our everyday demands and makes our lives easier and more comfortable. The introduction of the computer, which has drastically revolutionized our lives, is the most significant revolution in the field of electricals and electronics. Discovery and Naming of Electricity  The discovery and development of electricity can be traced back to a curious occurrence discovered in the sixteenth century. When amber (a hard transparent yellow-brown substance used to make jewellery or decorative objects) was rubbed against a piece of flannel (a soft woven fabric), it developed a charge that attracted light objects such as dry...