{"id":70092,"date":"2020-01-03T17:43:59","date_gmt":"2020-01-03T12:13:59","guid":{"rendered":"https:\/\/www.vskills.in\/certification\/tutorial\/?p=70092"},"modified":"2024-04-12T14:21:59","modified_gmt":"2024-04-12T08:51:59","slug":"sdlc-waterfall-model-2","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/sdlc-waterfall-model-2\/","title":{"rendered":"SDLC &#8211; Waterfall Model"},"content":{"rendered":"\n<p><a href=\"https:\/\/www.vskills.in\/certification\/tutorial\/certified-manual-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">Go back to Tutorial<\/a><\/p>\n\n\n<h1><strong>Understanding Waterfall Model<\/strong><\/h1>\n<figure style=\"width: 438px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"\" src=\"https:\/\/www.cs.odu.edu\/~price\/cs451\/Lectures\/01overview\/process2\/process2_ht0x.gif\" alt=\"SDLC - Waterfall Model\" width=\"438\" height=\"291\"><figcaption class=\"wp-caption-text\">SDLC &#8211; Waterfall Model<\/figcaption><\/figure>\n<p>SDLC &#8211; Waterfall Model, is one of the earliest models of the software development cycle. &nbsp;The different phases in the waterfall model progress sequentially downwards, thereby, resembling a waterfall. In this model, each phase requires completion to begin the next phase. This is because the outcome of the previous phase will act as the input for the current phase.<\/p>\n<p>Following phases occurs in this model-<\/p>\n<ul>\n<li>Firstly, Requirement Gathering &amp; Analysis<\/li>\n<li>Secondly, System Design<\/li>\n<li>After that, Implementation<\/li>\n<li>Moreover, Testing<\/li>\n<li>Further, Deployment<\/li>\n<li>Lastly, Maintenance<\/li>\n<\/ul>\n<p><strong>Requirement Gathering &amp; Analysis<\/strong><\/p>\n<p>All the possible requirements of the system to be developed are captured in this phase. Here, the requirement feasibility analysis is done to ensure whether the requirements are feasible or not. In this phase, a Software Requirement Specification (SRS) document is created, containing both functional and non-functional requirements of the software to be developed.<\/p>\n<p><strong>System Design<\/strong><\/p>\n<p>In this phase, we gradually move forward to answer &#8216;How&#8217; of the system after answering the &#8216;What&#8217; of the system in the previous phase. Here, we create design documents specifying the different modules\/components of the system, there interfacing, data flow, etc.<\/p>\n<p><strong>Implementation<\/strong><\/p>\n<p>The implementation phase or coding phase involves the development of a software product, keeping previous phase design documents as the base.<\/p>\n<p><strong>Testing<\/strong><\/p>\n<p>This phase involves the validation of the software product developed in the previous phase as per the functional and non-functional requirements set out during the requirement gathering and analysis phase.<\/p>\n<p><strong>Deployment<\/strong><\/p>\n<p>The deployment phase involves making the software live in the production\/real environment after it tested for its tested thoroughly in the previous phase.<\/p>\n<p><strong>Maintenance<\/strong><\/p>\n<p>Over a period of time, a software product may require some updations in order to remain functional in the real-world environment. The maintenance phase takes care of this activity by timely tuning of the software as per the requirement.<\/p>\n<h2><strong>Advantages<\/strong><\/h2>\n<ul>\n<li>It is easy to understand and implement.<\/li>\n<li>There are specific deliverables in each phase of the life cycle.<\/li>\n<\/ul>\n<h2><strong>Disadvantages<\/strong><\/h2>\n<ul>\n<li>As this model requires freezing of requirements, hence, it not suitable for projects in which changes in requirements are possible\/inevitable.<\/li>\n<li>Working model is only visible in the later phases of the life cycle &#8211; after the implementation phase.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><b>Get certified and unlock more opportunities. Practice and Validate your skills to become a&nbsp;<a href=\"https:\/\/www.vskills.in\/certification\/testing\/manual-tester\">Certified Manual Tester<\/a>&nbsp;No<\/b><b>w!<\/b><\/p>\n\n\n<p><a href=\"https:\/\/www.vskills.in\/certification\/tutorial\/certified-manual-tester\/\" target=\"_blank\" rel=\"noreferrer noopener\">Go back to Tutorial<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Go back to Tutorial Understanding Waterfall Model SDLC &#8211; Waterfall Model, is one of the earliest models of the software development cycle. &nbsp;The different phases in the waterfall model progress sequentially downwards, thereby, resembling a waterfall. In this model, each phase requires completion to begin the next phase. This is because the outcome of the&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[8011],"tags":[8048],"class_list":["post-70092","page","type-page","status-publish","hentry","category-manual-tester","tag-waterfall-model"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SDLC - Waterfall Model - Vskills Tutorial<\/title>\n<meta name=\"description\" content=\"Get ready to boost your learning and prepare for Certified Manual Tester Professional. Practice and Prepare for SDLC Waterfall Model Now!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vskills.in\/certification\/tutorial\/sdlc-waterfall-model-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SDLC - Waterfall Model - Vskills Tutorial\" \/>\n<meta property=\"og:description\" content=\"Get ready to boost your learning and prepare for Certified Manual Tester Professional. 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