Question
A software developer wants to create a payroll application. Explain how algorithm, flowchart, program, and programming language contribute to software development. Illustrate your explanation with a suitable example.
Answer :
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Skip in 10
# Contribution of Algorithm, Flowchart, Program, and Programming Language in Software Development Software development is a systematic process of solving a problem through computers. A software developer first understands the problem, plans a solution, represents the solution logically, converts it into computer instructions, and finally tests and maintains the software. In the development of a payroll application, four important concepts are algorithm, flowchart, program, and programming language. Each has a different role, but all are closely connected and contribute to the successful development of software. An algorithm is a finite and step-by-step procedure used to solve a particular problem. It describes what needs to be done and the order in which the operations should be performed. An algorithm is written in simple language and does not depend on any particular programming language. It helps the developer understand the logic of the application before writing actual computer instructions. A good algorithm should be clear, definite, finite, and capable of producing the required result. For example, suppose a payroll application has to calculate the monthly salary of an employee. The basic algorithm can be described as follows. First, enter the employee's basic salary. Next, enter allowances such as house rent allowance and transport allowance. Then enter deductions such as provident fund, tax, or other deductions. Calculate the gross salary by adding the basic salary and allowances. Calculate the total deduction by adding all deductions. Finally, calculate the net salary by subtracting total deductions from gross salary. Display the employee's details, gross salary, deductions, and net salary. This algorithm provides a clear logical plan for developing the payroll application. A flowchart is a graphical representation of an algorithm. It uses standard symbols to show the sequence of operations and the movement of control from one step to another. Common flowchart symbols include the oval for Start and End, the parallelogram for input and output, the rectangle for processing, and the diamond for decision-making. Arrows are used to show the direction of the process. In the payroll example, the flowchart would begin with a Start symbol. It would then move to an input step for entering the employee's name, employee ID, basic salary, allowances, and deductions. A
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