WAP ( Write A Program)

Programming Methodology Introduction Learning to write computer program is very much like learning any skill. First, we should understand the problems well and then try to solve it in a logical manner. For example: We have read many books available in the market for describing the car driving methods. However, we can learn driving once we actually get into the car and start driving it. The same logic is applied in computer programming also. Computer programming is the process of writing, testing, troubleshooting, debugging and maintaining of a computer program. An effective program is that which gives result of all different inputs, including wrong input also. While creating program, we need to follow certain systematic approach. This systematic approach comprises two steps/things, viz., program structure and program representation. The program structure is implemented by using top-down or bottom-up approach and is known as ‘popular approach’, while the program representati...

Chapter 2 | Uploaded http://wapcplusplus.blogspot.in/p/class-xi-chapter-2.html Software Concepts Hardware and Software A computer consists of both hardware and software and both are equally important for the working of the computer system. The electronic components of a computer system that we can see and touch are called hardware.  Software is a general term used for computer programs that control the operations of the computer.  A program is a sequence of instructions that perform a particular task.  A set of programs form software. It is the software which gives hardware its capability. Hardware is of no use without software and software cannot be used without hardware. Types of Software Software can be broadly are categorized as:        System Software        Application Software        Utility Software System Software System Software is the softwar...