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<p>This book presents how a computer system functions and the basics of programming. A computer is a progressive electronic device that takes raw data as input from the user and processes it under the control of set of instructions (called program) gives the result (output) and saves it for future use. The hardware and software work together in digital devices and systems to provide computerised functionality and are mutually dependent. Hardware includes the physical components like the motherboard chips memory and hard drives while software includes the programs that run on the hardware.</p><p>An operating system manages the computer ; memory and processes and of its software and hardware. It also allows you to communicate with the computer without knowing how to speak its language. The internet is a worldwide telecommunications system that provides connectivity for millions of other smaller networks. Such topics are covered in detail and this book explains the fundamentals of computers and topics related to computer programming in layman’s terms. It also covers the complete contents of computer applications unlike books available in the market today.</p>
