{"id":530,"date":"2025-05-16T07:49:57","date_gmt":"2025-05-16T07:49:57","guid":{"rendered":"https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/?page_id=530"},"modified":"2025-05-16T08:41:08","modified_gmt":"2025-05-16T08:41:08","slug":"koskmudell","status":"publish","type":"page","link":"https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/koskmudell\/","title":{"rendered":"\u0432\u043e\u0434\u043e\u043f\u0430\u0434\u043d\u0430\u044f \u043c\u043e\u0434\u0435\u043b\u044c (Koskmudell)"},"content":{"rendered":"\n<p><strong>Koskmudel<\/strong> (ka jada-, kaskaad- ja klassikaline mudel <a href=\"https:\/\/et.wikipedia.org\/wiki\/Inglise_keel\">inglise keeles<\/a> <em>waterfall model<\/em>) on \u00fcks enimteatud ja vanimaid tarkvaraarenduse meetodeid , mis on oma nimetuse saanud j\u00e4rjestikuse veekoskede analoogiast \u2013 vesi langeb \u00fchelt astmelt j\u00e4rgmisse ega p\u00f6\u00f6rdu tagasi. T\u00f6\u00f6s liigutakse samuti samm-sammult madalamale astmele ning k\u00f5ik etapid peavad olema t\u00e4ielikult l\u00f5petatud enne j\u00e4rgmise etapi alustamist<\/p>\n\n\n\n<p>Koskmudelit kirjeldas esmakordselt Winston W. Royce 1970. aastal. Koskmudel on j\u00e4rjestikune mudel, mida kasutatakse erineva tarkvara loomiseks, kus projekt kulgeb pidevalt allapoole ega p\u00f6\u00f6rdu tagasi samamoodi nagu koskede puhul. Niisiis t\u00e4hendab kose mudel, et j\u00e4rgmise etapi juurde peaks liikuma alles siis, kui eelmine etapp on l\u00f5pule viidud, kuigi m\u00f5ne mudeli puhul v\u00f5ivad m\u00f5ningad variatsioonid ja muutused olla.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"557\" src=\"https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/wp-content\/uploads\/2025\/05\/64f89fc4ee4e196209bff692_waterfall_in_project_management_oyws-1024x557.png\" alt=\"\" class=\"wp-image-539\" srcset=\"https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/wp-content\/uploads\/2025\/05\/64f89fc4ee4e196209bff692_waterfall_in_project_management_oyws-1024x557.png 1024w, https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/wp-content\/uploads\/2025\/05\/64f89fc4ee4e196209bff692_waterfall_in_project_management_oyws-300x163.png 300w, https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/wp-content\/uploads\/2025\/05\/64f89fc4ee4e196209bff692_waterfall_in_project_management_oyws-768x418.png 768w, https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/wp-content\/uploads\/2025\/05\/64f89fc4ee4e196209bff692_waterfall_in_project_management_oyws-150x82.png 150w, https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/wp-content\/uploads\/2025\/05\/64f89fc4ee4e196209bff692_waterfall_in_project_management_oyws-600x327.png 600w, https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/wp-content\/uploads\/2025\/05\/64f89fc4ee4e196209bff692_waterfall_in_project_management_oyws.png 1400w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"680\" height=\"456\" src=\"https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/wp-content\/uploads\/2025\/05\/777d0a1d0bdd0b8d0bcd0bed0ba.webp\" alt=\"\" class=\"wp-image-541\" srcset=\"https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/wp-content\/uploads\/2025\/05\/777d0a1d0bdd0b8d0bcd0bed0ba.webp 680w, https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/wp-content\/uploads\/2025\/05\/777d0a1d0bdd0b8d0bcd0bed0ba-300x201.webp 300w, https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/wp-content\/uploads\/2025\/05\/777d0a1d0bdd0b8d0bcd0bed0ba-150x101.webp 150w, https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/wp-content\/uploads\/2025\/05\/777d0a1d0bdd0b8d0bcd0bed0ba-600x402.webp 600w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"Koskmudeli_etapid\">Koskmudeli etapid<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"N\u00f5uete_anal\u00fc\u00fcs_ja_kirjeldamine[2]\">N\u00f5uete anal\u00fc\u00fcs ja kirjeldamine<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u00fcsteemianal\u00fc\u00fcs<\/li>\n\n\n\n<li>Tarkvaraanal\u00fc\u00fcs<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"S\u00fcsteemi_ja_tarkvara_kavandamine[2]\">S\u00fcsteemi ja tarkvara kavandamine<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Andmestruktuurid<\/li>\n\n\n\n<li>Tarkvara arhitektuur<\/li>\n\n\n\n<li>Liideste omadused<\/li>\n\n\n\n<li>Algoritmilised detailid<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Realisatsioon_ja_moodulite_testimine[2]\">Realisatsioon ja moodulite testimine<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Luuakse programmiosad (funktsioonid, klassid)<\/li>\n\n\n\n<li>Luuakse moodulid (programmiosad \u00fchendatakse)<\/li>\n\n\n\n<li>K\u00f5ike testitakse eraldi<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Integratsioon_ja_s\u00fcsteemi_testimine[2]\">Integratsioon ja s\u00fcsteemi testimine<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Programmid ja moodulid \u00fchendatakse<\/li>\n\n\n\n<li>Testitakse s\u00fcsteemi loogikat ja osade liidestamist<\/li>\n\n\n\n<li>Testitakse vastavust n\u00f5uetele (valideerimine)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Kasutamine_ja_hooldus[2]\">Kasutamine ja hooldus<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tarkvara kasutatakse<\/li>\n\n\n\n<li>Tarkvara muudetakse\/t\u00e4iustatakse, sest:\n<ul class=\"wp-block-list\">\n<li>Kasutajad avastavad vigu<\/li>\n\n\n\n<li>\u00dcmbrus ja t\u00f6\u00f6keskkond muutuvad<\/li>\n\n\n\n<li>Klient tahab lisafunktsionaalsuseid<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"Koskmudeli_eelised_ja_puudused\">Koskmudeli plussid ja minussed<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Eelised\">PLUSS<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kergesti arusaadav ja kasutatav<\/li>\n\n\n\n<li>Lihtne hallata t\u00e4nu selle j\u00e4ikusele \u2013 igast faasist on spetsiifiline \u00fclevaade<\/li>\n\n\n\n<li>\u00dcks etapp l\u00f5petatakse, enne kui alustatakse teisega<\/li>\n\n\n\n<li>T\u00f6\u00f6tab h\u00e4sti v\u00e4ikeste projektidega, kus n\u00f5udmised on kindlalt paigas<\/li>\n\n\n\n<li>Protsessi ja tulemused dokumentatsioon on korras<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"Puudused\">MIINUS<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hiline testimisperiood \u2013 muudatusi on raske ellu viia, kui testimise k\u00e4igus selgub, et midagi on valesti<\/li>\n\n\n\n<li>Tarkvara on kasutatav vaid arenduse l\u00f5pus, mitte varem<\/li>\n\n\n\n<li>K\u00f5rge riskitase ja teadmatus<\/li>\n\n\n\n<li>Mudel ei sobi keeruliste projektide jaoks<\/li>\n\n\n\n<li>Kehv mudel pikkade ja j\u00e4tkuvate projektide jaoks<\/li>\n\n\n\n<li>Ei sobi ka projektidele, kus n\u00f5uetel on suur risk muutuda<\/li>\n\n\n\n<li>Projekti paindumatu jaotus faasideks<\/li>\n\n\n\n<li>Klient n\u00e4eb tulemust alles l\u00f5pus ja valesti m\u00f5istetud n\u00f5uded l\u00f5ppevad katastroofiga<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\" id=\"Koskmudeli_skeem\">Koskmudeli skeem<\/h1>\n\n\n\n<p>P\u00f5hiidee kohaselt jagatakse tegevused nii, et iga tegevus toimub jadamisi eraldi etapina. Olulise t\u00e4helepanekuna tuleb m\u00e4rkida, et eri autoritel on erinev etappide nimekiri<\/p>\n\n\n\n<h1 class=\"wp-block-heading\"><strong>Waterfall model vs Spiral model<\/strong><\/h1>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Aspekt<\/strong><\/td><td><strong>Koskmudell<\/strong><\/td><td><strong>Spiraalmudel<\/strong><\/td><\/tr><tr><td><strong>Keerukus<\/strong><\/td><td>Koskmudell on lihtne ja kerge.<\/td><td>Spiraalmudel on palju keerulisem<\/td><\/tr><tr><td><strong>Arendusmeetod<\/strong><\/td><td>Koskmudell t\u00f6\u00f6tab j\u00e4rjestikuse meetodi alusel.<\/td><td>Kuigi spiraalmudel t\u00f6\u00f6tab evolutsioonilisel meetodil.<\/td><\/tr><tr><td><strong>Riskijuhtimine<\/strong><\/td><td>Koskmudelis tuvastatakse vead v\u00f5i riskid ja need k\u00f5rvaldatakse p\u00e4rast etappide l\u00f5puleviimist.<\/td><td>Spiraalmudelis tuvastatakse ja parandatakse vead v\u00f5i riskid varem.<\/td><\/tr><tr><td><strong>Vastuv\u00f5tmine<\/strong><\/td><td>Kliendid v\u00f5tavad vastu koskmudeli.<\/td><td>Samal ajal kui arendajad v\u00f5tavad vastu spiraalmudeli.<\/td><\/tr><tr><td><strong>Projekti suuruse sobivus<\/strong><\/td><td>kohaldatav v\u00e4ikeste projektide puhul.<\/td><td>Spiraalmudel kasutatakse suurte projektide puhul.<\/td><\/tr><tr><td><strong>Planeerimine<\/strong><\/td><td>Koskmudelis on vaja n\u00f5udeid ja varajase faasi planeerimist.<\/td><td>Kuigi spiraalmudelis on vajadusel vaja n\u00f5udeid ja varajase faasi planeerimist.<\/td><\/tr><tr><td><strong>Paindlikkus muutuste suhtes<\/strong><\/td><td>Paindlikkus muutuste suhtes on koskmudelis keeruline.<\/td><td>Muutuste paindlikkus spiraalmudelis ei ole raske.<\/td><\/tr><tr><td><strong>Riski tase<\/strong><\/td><td>Koskmudelis on suur risk.<\/td><td>Spiraalmudelis on v\u00e4ike summarisk.<\/td><\/tr><tr><td><strong>Kulud<\/strong><\/td><td>Koskmudel on suhteliselt odav.<\/td><td>Kuigi spiraalmudeli maksumus on v\u00e4ga kallis.<\/td><\/tr><tr><td><strong>Klientide kaasamine<\/strong><\/td><td>Klientide kaasamine on minimaalne<\/td><td>Spiraalmudelis on klientide kaasatus k\u00f5rge.<\/td><\/tr><tr><td><strong>Hooldus<\/strong><\/td><td>See n\u00f5uab k\u00f5ige v\u00e4hem hooldust.<\/td><td>See n\u00f5uab t\u00fc\u00fcpilist hooldust.<\/td><\/tr><tr><td><strong>Raamistiku t\u00fc\u00fcp<\/strong><\/td><td>See p\u00f5hineb lineaarsel raamt\u00fc\u00fcbil.<\/td><td>See p\u00f5hineb lineaarsel ja iteratiivsel raamt\u00fc\u00fcbil.<\/td><\/tr><tr><td><strong>Testimine<\/strong><\/td><td>Testimine toimub p\u00e4rast arenduse eluts\u00fckli kodeerimisetappi.<\/td><td>Testimine toimub p\u00e4rast arendustegevuse faasi.<\/td><\/tr><tr><td><strong>Taaskasutatavus<\/strong><\/td><td>Taaskasutatavus on \u00e4\u00e4rmiselt ebat\u00f5en\u00e4oline.<\/td><td>Teatud m\u00e4\u00e4ral on korduvkasutatavus v\u00f5imalik.<\/td><\/tr><tr><td><strong>Klientide kontroll<\/strong><\/td><td>Kliendi kontroll administraatori \u00fcle on v\u00e4ga piiratud.<\/td><td>Klientidel on kontroll administraatori \u00fcle, v\u00f5rreldes vesil\u00f6\u00f6gimudeliga.<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div><\/div>\n\n\n<div class = \"hdq_quiz_wrapper\"><a href = \"https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/koskmudell\/\" rel=\"noamphtml\" class = \"hdq_quiz_start hdq_button button\" role = \"button\">QUIZ START<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Koskmudel (ka jada-, kaskaad- ja klassikaline mudel inglise keeles waterfall model) on \u00fcks enimteatud ja vanimaid tarkvaraarenduse meetodeid , mis on oma nimetuse saanud j\u00e4rjestikuse veekoskede analoogiast \u2013 vesi langeb \u00fchelt astmelt j\u00e4rgmisse ega p\u00f6\u00f6rdu tagasi. T\u00f6\u00f6s liigutakse samuti samm-sammult madalamale astmele ning k\u00f5ik etapid peavad olema t\u00e4ielikult l\u00f5petatud enne j\u00e4rgmise etapi alustamist Koskmudelit kirjeldas [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"plugin_block_meta":"","ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","footnotes":""},"class_list":["post-530","page","type-page","status-publish","hentry","entry","owp-thumbs-layout-horizontal","owp-btn-normal","owp-tabs-layout-horizontal","has-no-thumbnails","has-product-nav"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u0432\u043e\u0434\u043e\u043f\u0430\u0434\u043d\u0430\u044f \u043c\u043e\u0434\u0435\u043b\u044c (Koskmudell) - Aleksandra Semjonova &otilde;pimapp | portfoolio<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aleksandrasemjonova23.thkit.ee\/WP\/koskmudell\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0432\u043e\u0434\u043e\u043f\u0430\u0434\u043d\u0430\u044f \u043c\u043e\u0434\u0435\u043b\u044c (Koskmudell) - Aleksandra Semjonova &otilde;pimapp | portfoolio\" \/>\n<meta property=\"og:description\" content=\"Koskmudel (ka jada-, kaskaad- ja klassikaline mudel inglise keeles waterfall model) on \u00fcks enimteatud ja vanimaid tarkvaraarenduse meetodeid , mis on oma nimetuse saanud j\u00e4rjestikuse veekoskede analoogiast \u2013 vesi langeb \u00fchelt astmelt j\u00e4rgmisse ega p\u00f6\u00f6rdu tagasi. 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