Posts

Development of Computer

Image
History of Computers Introduction Have you ever thought how different your life would have been without the computer? It is indeed rightly called "The machine that changed the world". But the computer you see today on your desktop was not invented all of a sudden. It has taken years of rigorous research to reach the present stage, and scientists are still working hard to make it better and better. Let us learn a little about the development of computers over time. History of Computers The history of computers began with simple Adding Devices. These devices did not have circuits, memory, etc. They were primarily mechanical in nature. Abacus (Image from Wikimedia Commons) The Abacus, one of the earliest adding machines invented in China, was the first manual calculating device invented to count large numbers. It consisted of a wooden frame holding horizontal wires with beads strung on them. Simple calculations l...

Learn Online: Free MOOC from 40+ website

Free and Paid Online Courses Are you looking for a course to take? To either gain a skill or for knowledge? If you are looking for learning, the following websites will be very fruitful to your journey. Some courses give certificates, and some don't. Irrespective of this, learning and knowledge are above all. Even if you didn't get a certificate after completing a course, the knowledge and time you invested will give you great results. We hope you find this information useful in your journey. Under the Explore section, which contains more than 40 websites, combining all courses, it could be more than a thousand. Remember to check the specific course details to see if a certificate is offered and any associated costs. Many platforms offer free courses but charge for the certificate. Explore: Free/Pay for certificate General Learning Platforms: Stanford Online Harvard Online Learning Coursera ...

About: 2023 Badakhshan earthquake

Image
On the fateful day of March 31st, 2023, a colossal and powerful earthquake of magnitude 7.5 on the Richter scale devastated the Badakhshan province of Afghanistan, leaving in its wake widespread and unprecedented destruction and loss of lives. This cataclysmic earthquake originated from the Hindu Kush mountains, a region that is well-known for its frequent seismic activity and turbulence. The earthquake was felt across a vast expanse of the region, including as far away as Islamabad, Pakistan, and Dushanbe, Tajikistan. In the aftermath of this calamitous event, a series of devastating aftershocks followed in quick succession, and some were nearly as potent as the original quake, causing significant collateral damage and exacerbating the already dire situation. The extensive and widespread damage caused by the earthquake and its aftershocks was felt in all corners of the region, but the most affected areas included the districts of Jurm, Fayzabad, and Baharak. As per preliminary reports...

Explanation: IP address

Image
An Internet Protocol (IP) address , a numeric label affixed to every computer network-connected device that employs the Internet Protocol for communication, is an epitome of networked communication. It offers a distinct identity for each device on the network, permitting cross-device communication. An IP address is an amalgamation of four numeric groups, separated by periods, like 192.168.0.1. Each group, more precisely, two octets, identifies the network and the host on the network, respectively. Two versions of IP addresses exist, the IPv4 and IPv6. IPv4 is the standard and most commonly used, comprising 32 bits that provide nearly 4 billion distinct addresses. Nevertheless, IPv4 addresses are rapidly dwindling due to the increasing number of internet-connected devices. The new standard, IPv6, employs 128 bits, allowing for an unthinkably vast number of distinct addresses. IP addresses are the backbone of the Internet, facilitating seamless communication between devices. When a devic...