What is Algorithm? | Why Algorithm | Where to use and how to use | Examples and Programs

In mathematics and computer science, an algorithm is a finite sequence of well-defined, computer-implementable instructions, typically to solve a class of problems or to perform a computation. In mathematics and computer science, an algorithm is the list of instructions and rules that a computer needs to do to complete a task. In essence, algorithms are simply a series of instructions that are followed, step by step, to do something useful or solve a problem. for example. you could consider a cake recipe an algorithm for making a cake. Algorithms are always unambiguous and are used as specifications for performing calculations, data processing, automated reasoning, and other tasks. An algorithm is a set of instructions designed to perform a specific task. This can be a simple process, such as multiplying two numbers, or a complex operation, such as playing a compressed video file. The word Algorithm means “a process or set of rules to be followed in calculations or other problem-solving operations”. Therefore Algorithm refers to a set of rules/instructions that step-by-step define how a work is to be executed upon in order to get the expected results. Uses Algorithms are used throughout all areas of IT and computing. They can manipulate and process data and perform calculations or actions in various ways. Search engines use proprietary algorithms to display the most relevant results from their search index for specific queries. examples A great example of algorithms in action is with automation software. This is because automation works by following set rules to complete tasks. Those rules form an algorithm. Advantages of Algorithms: It is easy to understand. Algorithm is a step-wise representation of a solution to a given problem. In Algorithm the problem is broken down into smaller pieces or steps hence, it is easier for the programmer to convert it into an actual program. A finite set of steps that must be followed to solve any problem is called an algorithm. Algorithm is generally developed before the actual coding is done. It is written using English like language so that it is easily understandable even by non-programmers. Sometimes algorithms are written using pseudocodes, i.e. a language similar to the programming language to be used. Writing algorithm for solving a problem offers these advantages − Promotes effective communication between team members Enables analysis of problem at hand Acts as blueprint for coding Assists in debugging Becomes part of software documentation for future reference during maintenance phase These are the characteristics of a good and correct algorithm − Has a set of inputs Steps are uniquely defined Has finite number of steps Produces desired output An algorithm is a set of steps designed to solve a problem or accomplish a task. Algorithms are usually written in pseudocode, or a combination of your speaking language and one or more programming languages, in advance of writing a program.