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“The Knowledge Library”
Knowledge for All, without Barriers…
An Initiative by: Kausik Chakraborty.
“The Knowledge Library”
Knowledge for All, without Barriers……….
Knowledge for All, without Barriers…
Computer Output Devices An output device is a hardware component of a computer system that displays information to users. Monitor, Printer, Speakers Headphones, Projector, GPS and Plotter are some output devices of computer. Computers are a boon to today’s world, lives without them cannot be imagined. Computers are making our operations and tasks easy in every Read more…
Computer Memory, Types, Capacity, Speed and Uses A computer memory is a storage space that stores and fetches data. Know more about computer memory and it’s types, capacity, speed and uses. Memory is one of the major components of a computer system as it is required to run a computer system. We need to know Read more…
Hindi News Update for Sunday, July 12, 2026 रविवार, 12 जुलाई 2026 के मुख्य समाचार 🔶वियतनाम में 32 भारतीय पर्यटकों से भरी नाव पलटी; 18 लोग सुरक्षित निकाले व कई लापता, दूतावास ने जारी किए हेल्पलाइन नंबर 🔶BP, हार्ट और शूगर समेत केंद्र सरकार ने तय किए 39 जरूरी दवाओं के दाम, चेक करें लिस्ट Read more…
Hindi News Update for Saturday, July 11, 2026 शनिवार, 11 जुलाई 2026 के मुख्य समाचार 🔶पेट्रोलियम मंत्रालय का बड़ा बयान- सालों की टेस्टिंग के बाद लागू हुआ E20 इथेनॉल ब्लेंडिंग प्रोग्राम 🔶सरकार ने लागू किया नया नियम- डॉक्टर की पर्ची के बिना नहीं मिलेगी 12% से ज्यादा अल्कोहल वाली दवा 🔶इजरायल का सनसनीखेज दावा: ईरान Read more…
All About Keshab Chandra Nag: The Life, Legacy, Mathematics, and Lasting Influence of a Legendary Educator Introduction Keshab Chandra Nag occupies a distinguished place in the history of mathematics education in India. For several generations of students, his name became almost synonymous with school mathematics, particularly in West Bengal and neighboring regions. His textbooks, known Read more…
Generation of Computer For many decades we have relied on computers and now they have become an inseparable part of our lives. We cannot imagine our lives without computers are they have made our work easier. These computers have gone through changes over time and have you ever really wondered what a computer actually is? Read more…
Types of Computer The word computer has been derived from the English word ‘Compute’ which means “To Calculate”. Computers can be of various types but broadly computers can be categorized based on their size and data-handling capabilities. On the basis of size, there are 5 types of computers and on the basis of data handling capabilities, Read more…
Basic Computer Keyboard Shortcut Keys A to Z Shortcut Key Uses of Shortcut keys Alt + F File menu options in the current program Alt + E Edits options in the current program F1 Universal help (for any sort of program) Ctrl + A Selects all text Ctrl + X Cuts the selected item Ctrl + Read more…
Daily Current Affairs, News Headlines 12.07.2026 National Updates Northern Railway has achieved significant milestones in operational efficiency, revenue generation, ticket checking, and passenger services during the first quarter of the financial year 2026-27, from April to June. During this period, it enhanced passenger convenience through various operational innovations. The Reserve Bank of India- RBI absorbed Read more…
Vocabulary For All Competitive Exams |12-07-2026 Germane (adj.) Meaning: Having to do with the matter at hand. (तथ्य) Synonyms: relevant, applicable, pertinent Antonyms: irrelevant, immaterial, inapplicable Sentence: The fact is not germane to this issue. Perjure (verb) Meaning: To commit perjury. (झूठ बोलना) Synonyms: lie, fabricate, misrepresent Antonyms: testify, assert, swear Sentence: He perjured himself before the court by giving a Read more…