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CMP 101 Fundamentals of Computer and programming in C

CMP 101 Fundamentals of Computer and programming in C. Rohit Khokher. Computer Software. Computer Program An ordered set of instructions written in a programming language . Running or execution of a program A program in action Software is a computer program.

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CMP 101 Fundamentals of Computer and programming in C

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  1. CMP 101 Fundamentals of Computer and programming in C RohitKhokher

  2. Computer Software • Computer Program • An ordered set of instructions written in a programming language. • Running or execution of a program • A program in action • Software is a computer program.

  3. Relationship between hardware & software • Hardware and Software make a Computer system. • The hardware is body while software is soul and mind of a computer system.

  4. Software Types • Software Types • System Software • Makes a system operable. • Facilitates application software execution . • Examples : Operating system, Compilers, Assemblers, Linkers, Computer communication software, Utility software… • Application Software • Word processing, spreadsheet (EXCEL), Database, Graphics, Personal Assistance, Entertainment, …

  5. Logical System Architecture Application Software System Software Hardware

  6. Acquiring Software Buy Prewritten software (Off the Shelf Software) Buy Customize software Downloading software Developing software

  7. Developing software • Software Engineering • Software Requirement Analysis • Software Design • Software Coding • Software Unit Testing • Software Integration • Software Testing • Software Deployment

  8. In the total cost of a computer system the cost of software is 90% while hardware is merely 10%. Software supplied in ROM and that can run readily are called firmware

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