程序，项目和产品之间的区别

1.程序：
当今世界，计算机系统有多种用途。在编写程序时会观察到这种用法之一。程序是提供给计算机以执行特定任务的指令。它是与计算机系统通信的媒介。

2.项目：
Project是创新的工作，旨在创建尚未制作的软件。这些项目由软件团队根据企业的要求进行。它必须经历七个阶段才能完成。这些阶段涉及设计，测试，编码，维护等。

3.产品：
该软件项目经历请求分析，设计，编码，测试，集成和维护阶段。所有阶段完成后，便形成了产品。这是为解决独特问题而制作的软件。为了分发的目的，大量制造了产品。

程序，项目和产品之间的区别：

S.No.	Program	Project	Product
1.	It contains instructions to perform a specific task.	It is performed in the software development life cycle to create a unique software.	It is the outcome of a project.
2.	It need not focus on efficiency and cost.	It has a cost and quality focus due to the budget restrictions.	It is focused on the efficiency and cost as it affects its profitability.
3.	It exists permanently on the secondary storage device.(unless destroyed or deleted)	It has no existence after all the stages result in the product.(This is when the project is complete and is now called a product.)	It can have existence unless it is uninstalled or deleted.
4.	It can be made in a time frame of upto 3 months, varying directly on the size and complexity.	It can take up to 3 years before it is completed. This is due to the various stages and maintenance that it undergoes.	It is made continuously as long as the product is profitable and the offering enterprise is interested in it.
5.	Program managers handle the programs.	Project managers handle the projects.	Product managers are responsible for the products.
6.	It has memory requirements for storing the program.	It has memory, time as well as human resources requirements.	It has human, technology and time requirements.
7.	The main focus of the program is the resulting output.	The main focus of the project is developing a new software, that has not already been made.	The main focus of a product is its profitability and user satisfaction.
8.	The program does not need guidelines.	Guidelines are necessary for project development as it involves a lot of people working in varied teams.	Firm Guidelines are needed to complete and manufacture the product.