computer notes

Computer Fundamentals for All Competitive Exams – Learn Dunia

Computer is an electronic device that execute the instruction given in a program and controls the operations that are expressible in numerical or logical terms. Computer are found everywhere around us, performing different tasks, weather we notice it or not. Computers are used during purchase of our groceries, pumping of gas at ATM, during a […]

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bitcoin

BITCOIN the First Decentralized Digital Currency – Learn Dunia

Bitcoin is an Open source, Peer to Peer, computerized Cryptocurrency, it is the principal decentralized advanced cash. Bitcoins are made by known individual or the gathering of people groups under the name Satoshi Nakamoto and discharged as an open source programming in 2009. Transactions are made with no center men – meaning, no banks! Bitcoin can […]

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osi

Computer Study Notes on OSI Layers – Learn Dunia

The Open System Interconnection(OSI) model is a reference model developed by ISO(International Organization for Standardization) in 1984, it defines a networking framework to implement protocols in seven layers, which divides the task involved with moving information between networked computers into seven smaller, more manageable task groups.

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