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 vehicle etc.
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 be utilized to book inns on Expedia, look for furniture on Overstock and purchase Xbox amusements. In any case, a great part of the buildup is tied in with getting rich by exchanging it. The cost of bitcoin soar into the thousands of every 2017.
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.