{"id":671,"date":"2015-03-10T16:18:16","date_gmt":"2015-03-10T16:18:16","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/?p=671"},"modified":"2015-03-10T22:13:34","modified_gmt":"2015-03-10T22:13:34","slug":"design-notations-also-applies-in-isdd","status":"publish","type":"post","link":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/2015\/03\/10\/design-notations-also-applies-in-isdd\/","title":{"rendered":"Design notations  (also applies in ISDD)"},"content":{"rendered":"<ul>\n<li>Pseudocode to exemplify programming constructs<\/li>\n<li>Graphical to illustrate selection and iteration<\/li>\n<li>Other contemporary design notations:<\/li>\n<\/ul>\n<p><!--more--><\/p>\n<h2>Pseudocode<\/h2>\n<p>This is an informal <strong>text notation<\/strong> resembling a simplified programming language, it does not have a strict structure.\u00a0Pseudocode is used to exemplify programming constructs<\/p>\n<p>Example 1<\/p>\n<pre>1. set total to 0\r\n2. set count to 0\r\n3. While count less than 10\r\n4.    Get price from user\r\n5.    Add price to total\r\n6.    Add one to the count\r\n7. end while\r\n8. Display the average price\r\n<\/pre>\n<p>Example 2<\/p>\n<pre>1. set total to 0\r\n2. for 10 items\r\n3.    get price from user\r\n4.    add price to total\r\n5. next item\r\n6. display total\/10<\/pre>\n<h2>Structure\u00a0Chart<\/h2>\n<p>A<strong> Graphical design notation<\/strong> that is used to show the structure of a program and how it&#8217;s various parts (modules) are organised and how data flows between them.<\/p>\n<h2><a href=\"https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/320px-CPT-Structured_Chart_Example.svg1_.png\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"672\" data-permalink=\"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/2015\/03\/10\/design-notations-also-applies-in-isdd\/320px-cpt-structured_chart_example-svg1\/\" data-orig-file=\"https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/320px-CPT-Structured_Chart_Example.svg1_.png\" data-orig-size=\"320,202\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"320px-CPT-Structured_Chart_Example.svg[1]\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/glow-prod-nl.s3.eu-west-1.amazonaws.com\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/320px-CPT-Structured_Chart_Example.svg1_-300x189.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEGkaCWV1LXdlc3QtMSJGMEQCIAIqbMrLbMDyDrEPgTnYlqHqjX77OPHnJzsNEr0FpcahAiAiMLS3ckSOqO8NzZNmJN%2FOE2YHDAnWR0pidQ6cXy4wWyq4BQgxEAUaDDI3MzU3MDE5NTQzMyIMx34uyHxviIJtEtNqKpUFlhWXoRiRSh6YGlaaZ0ElnvKtRFJ4KSvKJfQwhmwW%2BmozTMW%2BFDQbGgu9Uim6FwtlfK8y9NwKhKQB0ogWoASAFEr1y1qKdxm5z0%2BA5tYeYdxQUm%2FGY7eXrhnA0Rdcn%2F%2FUHAHy7tJUqeKHvLXABb87sKEzm03u%2BCds3Cj0vB9DQp52ngSLcRBJF0zTaRLZp5FzQvCziCkoCmLETeKtJ1JtB0qn0Sywra0TUmaW4KASvBxgh%2FBXwOPrp1qnlY6WbQ7hiHCs6frsd80XgxryCER%2B7OlpI8jvf4EKsZ6vTwhZsuSnR18CbXTV812B51p3dZvTgI8%2FZLgFd8lB13QxhwNlS41D2CgM5Rir4%2Bd9a8Oo8G3cMK84wmrLg0L5Cap%2F%2FAJMp0rYZXVDqlcrxE3VIlA2z9atNnkgiUK4TcSg6ub%2BvNfdf4UOHBYfN4X6mtHjurZkslSx91rFK0FyX4bvdSK1%2BNTnP9VyH4HHaHoaznkAyd6RNlLQKtST2Ji9sS%2B%2FfAbDoDJpMbqdaSCGi%2FEA2fWoO0POi5whHd2zwL9pY6N8KHrU0J8xxZd27eehU6hx%2BF4Ro9YMCE%2BZd1gBMH0Me%2BQ8ha3GlNgb5UpktGg6YdNihrUOxwYBHPRDMLllAWmBRVk2oH%2BfudGB4gjUqzcQv3qNcMG7SIph6mXbJYz5XJ99qtDXgCZVIGY8c9hN2kwERVTloxsLdYvqgWFQ1Zydtv7tJxknTj7gddWeXHD6g8bgtmAqUBJYc2yOA%2B8adUikygCoV3GmlwB2xs%2BXKdhYnXzsKlLleeUmBc5XvQyLaQL%2B5ej8GsLXzeX986dm11BNQ8ZI2a%2FxjXy2r4NZ%2BpQlRYUpYe%2BW3v9xESJU5epx83Aa8slH2URCaDC7ou7RBjqyAef5MbBkgohGBaUkwHFF5YXUrruXn1noyjN1aqxxLKPYHQaMVnlXsGdsfHZ62JsxAYOhuAwImzjEZieuZUZAZSxku9IscByFT5XMBrJ3dsUORMYqoW1tTtjs1Uf3ORFxiwe3uZ%2FlfWM961MXZbkGcX%2FYeU8Wc0XomZR5MpIbMvo2aPWkVMtxUGnj%2FoxlKYJagrMveodzeSO%2BXNhWk6dYZJyvq9Mp6Fqzz5CbwynRBhhOzfw%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UWG4V5A6X%2F20260624%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260624T090819Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=0149a6347bcc6ea4cbe01b20829887510285d2b436aea81d8560fe8513841967\" data-large-file=\"https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/320px-CPT-Structured_Chart_Example.svg1_.png\" class=\"alignnone wp-image-672 size-medium\" src=\"https:\/\/glow-prod-nl.s3.eu-west-1.amazonaws.com\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/320px-CPT-Structured_Chart_Example.svg1_-300x189.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&#038;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEGkaCWV1LXdlc3QtMSJGMEQCIAIqbMrLbMDyDrEPgTnYlqHqjX77OPHnJzsNEr0FpcahAiAiMLS3ckSOqO8NzZNmJN%2FOE2YHDAnWR0pidQ6cXy4wWyq4BQgxEAUaDDI3MzU3MDE5NTQzMyIMx34uyHxviIJtEtNqKpUFlhWXoRiRSh6YGlaaZ0ElnvKtRFJ4KSvKJfQwhmwW%2BmozTMW%2BFDQbGgu9Uim6FwtlfK8y9NwKhKQB0ogWoASAFEr1y1qKdxm5z0%2BA5tYeYdxQUm%2FGY7eXrhnA0Rdcn%2F%2FUHAHy7tJUqeKHvLXABb87sKEzm03u%2BCds3Cj0vB9DQp52ngSLcRBJF0zTaRLZp5FzQvCziCkoCmLETeKtJ1JtB0qn0Sywra0TUmaW4KASvBxgh%2FBXwOPrp1qnlY6WbQ7hiHCs6frsd80XgxryCER%2B7OlpI8jvf4EKsZ6vTwhZsuSnR18CbXTV812B51p3dZvTgI8%2FZLgFd8lB13QxhwNlS41D2CgM5Rir4%2Bd9a8Oo8G3cMK84wmrLg0L5Cap%2F%2FAJMp0rYZXVDqlcrxE3VIlA2z9atNnkgiUK4TcSg6ub%2BvNfdf4UOHBYfN4X6mtHjurZkslSx91rFK0FyX4bvdSK1%2BNTnP9VyH4HHaHoaznkAyd6RNlLQKtST2Ji9sS%2B%2FfAbDoDJpMbqdaSCGi%2FEA2fWoO0POi5whHd2zwL9pY6N8KHrU0J8xxZd27eehU6hx%2BF4Ro9YMCE%2BZd1gBMH0Me%2BQ8ha3GlNgb5UpktGg6YdNihrUOxwYBHPRDMLllAWmBRVk2oH%2BfudGB4gjUqzcQv3qNcMG7SIph6mXbJYz5XJ99qtDXgCZVIGY8c9hN2kwERVTloxsLdYvqgWFQ1Zydtv7tJxknTj7gddWeXHD6g8bgtmAqUBJYc2yOA%2B8adUikygCoV3GmlwB2xs%2BXKdhYnXzsKlLleeUmBc5XvQyLaQL%2B5ej8GsLXzeX986dm11BNQ8ZI2a%2FxjXy2r4NZ%2BpQlRYUpYe%2BW3v9xESJU5epx83Aa8slH2URCaDC7ou7RBjqyAef5MbBkgohGBaUkwHFF5YXUrruXn1noyjN1aqxxLKPYHQaMVnlXsGdsfHZ62JsxAYOhuAwImzjEZieuZUZAZSxku9IscByFT5XMBrJ3dsUORMYqoW1tTtjs1Uf3ORFxiwe3uZ%2FlfWM961MXZbkGcX%2FYeU8Wc0XomZR5MpIbMvo2aPWkVMtxUGnj%2FoxlKYJagrMveodzeSO%2BXNhWk6dYZJyvq9Mp6Fqzz5CbwynRBhhOzfw%3D&#038;X-Amz-Algorithm=AWS4-HMAC-SHA256&#038;X-Amz-Credential=ASIAT7MQN47UWG4V5A6X%2F20260624%2Feu-west-1%2Fs3%2Faws4_request&#038;X-Amz-Date=20260624T090819Z&#038;X-Amz-SignedHeaders=host&#038;X-Amz-Expires=900&#038;X-Amz-Signature=0149a6347bcc6ea4cbe01b20829887510285d2b436aea81d8560fe8513841967\" alt=\"320px-CPT-Structured_Chart_Example.svg[1]\" width=\"300\" height=\"189\" srcset=\"https:\/\/glow-prod-nl.s3.eu-west-1.amazonaws.com\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/320px-CPT-Structured_Chart_Example.svg1_-300x189.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEGkaCWV1LXdlc3QtMSJGMEQCIAIqbMrLbMDyDrEPgTnYlqHqjX77OPHnJzsNEr0FpcahAiAiMLS3ckSOqO8NzZNmJN%2FOE2YHDAnWR0pidQ6cXy4wWyq4BQgxEAUaDDI3MzU3MDE5NTQzMyIMx34uyHxviIJtEtNqKpUFlhWXoRiRSh6YGlaaZ0ElnvKtRFJ4KSvKJfQwhmwW%2BmozTMW%2BFDQbGgu9Uim6FwtlfK8y9NwKhKQB0ogWoASAFEr1y1qKdxm5z0%2BA5tYeYdxQUm%2FGY7eXrhnA0Rdcn%2F%2FUHAHy7tJUqeKHvLXABb87sKEzm03u%2BCds3Cj0vB9DQp52ngSLcRBJF0zTaRLZp5FzQvCziCkoCmLETeKtJ1JtB0qn0Sywra0TUmaW4KASvBxgh%2FBXwOPrp1qnlY6WbQ7hiHCs6frsd80XgxryCER%2B7OlpI8jvf4EKsZ6vTwhZsuSnR18CbXTV812B51p3dZvTgI8%2FZLgFd8lB13QxhwNlS41D2CgM5Rir4%2Bd9a8Oo8G3cMK84wmrLg0L5Cap%2F%2FAJMp0rYZXVDqlcrxE3VIlA2z9atNnkgiUK4TcSg6ub%2BvNfdf4UOHBYfN4X6mtHjurZkslSx91rFK0FyX4bvdSK1%2BNTnP9VyH4HHaHoaznkAyd6RNlLQKtST2Ji9sS%2B%2FfAbDoDJpMbqdaSCGi%2FEA2fWoO0POi5whHd2zwL9pY6N8KHrU0J8xxZd27eehU6hx%2BF4Ro9YMCE%2BZd1gBMH0Me%2BQ8ha3GlNgb5UpktGg6YdNihrUOxwYBHPRDMLllAWmBRVk2oH%2BfudGB4gjUqzcQv3qNcMG7SIph6mXbJYz5XJ99qtDXgCZVIGY8c9hN2kwERVTloxsLdYvqgWFQ1Zydtv7tJxknTj7gddWeXHD6g8bgtmAqUBJYc2yOA%2B8adUikygCoV3GmlwB2xs%2BXKdhYnXzsKlLleeUmBc5XvQyLaQL%2B5ej8GsLXzeX986dm11BNQ8ZI2a%2FxjXy2r4NZ%2BpQlRYUpYe%2BW3v9xESJU5epx83Aa8slH2URCaDC7ou7RBjqyAef5MbBkgohGBaUkwHFF5YXUrruXn1noyjN1aqxxLKPYHQaMVnlXsGdsfHZ62JsxAYOhuAwImzjEZieuZUZAZSxku9IscByFT5XMBrJ3dsUORMYqoW1tTtjs1Uf3ORFxiwe3uZ%2FlfWM961MXZbkGcX%2FYeU8Wc0XomZR5MpIbMvo2aPWkVMtxUGnj%2FoxlKYJagrMveodzeSO%2BXNhWk6dYZJyvq9Mp6Fqzz5CbwynRBhhOzfw%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UWG4V5A6X%2F20260624%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260624T090819Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=0149a6347bcc6ea4cbe01b20829887510285d2b436aea81d8560fe8513841967 300w, https:\/\/glow-prod-nl.s3.eu-west-1.amazonaws.com\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/320px-CPT-Structured_Chart_Example.svg1_-150x94.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEGkaCWV1LXdlc3QtMSJGMEQCIAIqbMrLbMDyDrEPgTnYlqHqjX77OPHnJzsNEr0FpcahAiAiMLS3ckSOqO8NzZNmJN%2FOE2YHDAnWR0pidQ6cXy4wWyq4BQgxEAUaDDI3MzU3MDE5NTQzMyIMx34uyHxviIJtEtNqKpUFlhWXoRiRSh6YGlaaZ0ElnvKtRFJ4KSvKJfQwhmwW%2BmozTMW%2BFDQbGgu9Uim6FwtlfK8y9NwKhKQB0ogWoASAFEr1y1qKdxm5z0%2BA5tYeYdxQUm%2FGY7eXrhnA0Rdcn%2F%2FUHAHy7tJUqeKHvLXABb87sKEzm03u%2BCds3Cj0vB9DQp52ngSLcRBJF0zTaRLZp5FzQvCziCkoCmLETeKtJ1JtB0qn0Sywra0TUmaW4KASvBxgh%2FBXwOPrp1qnlY6WbQ7hiHCs6frsd80XgxryCER%2B7OlpI8jvf4EKsZ6vTwhZsuSnR18CbXTV812B51p3dZvTgI8%2FZLgFd8lB13QxhwNlS41D2CgM5Rir4%2Bd9a8Oo8G3cMK84wmrLg0L5Cap%2F%2FAJMp0rYZXVDqlcrxE3VIlA2z9atNnkgiUK4TcSg6ub%2BvNfdf4UOHBYfN4X6mtHjurZkslSx91rFK0FyX4bvdSK1%2BNTnP9VyH4HHaHoaznkAyd6RNlLQKtST2Ji9sS%2B%2FfAbDoDJpMbqdaSCGi%2FEA2fWoO0POi5whHd2zwL9pY6N8KHrU0J8xxZd27eehU6hx%2BF4Ro9YMCE%2BZd1gBMH0Me%2BQ8ha3GlNgb5UpktGg6YdNihrUOxwYBHPRDMLllAWmBRVk2oH%2BfudGB4gjUqzcQv3qNcMG7SIph6mXbJYz5XJ99qtDXgCZVIGY8c9hN2kwERVTloxsLdYvqgWFQ1Zydtv7tJxknTj7gddWeXHD6g8bgtmAqUBJYc2yOA%2B8adUikygCoV3GmlwB2xs%2BXKdhYnXzsKlLleeUmBc5XvQyLaQL%2B5ej8GsLXzeX986dm11BNQ8ZI2a%2FxjXy2r4NZ%2BpQlRYUpYe%2BW3v9xESJU5epx83Aa8slH2URCaDC7ou7RBjqyAef5MbBkgohGBaUkwHFF5YXUrruXn1noyjN1aqxxLKPYHQaMVnlXsGdsfHZ62JsxAYOhuAwImzjEZieuZUZAZSxku9IscByFT5XMBrJ3dsUORMYqoW1tTtjs1Uf3ORFxiwe3uZ%2FlfWM961MXZbkGcX%2FYeU8Wc0XomZR5MpIbMvo2aPWkVMtxUGnj%2FoxlKYJagrMveodzeSO%2BXNhWk6dYZJyvq9Mp6Fqzz5CbwynRBhhOzfw%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UWG4V5A6X%2F20260624%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260624T090819Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=75159d0302ce8cec7137d4473fac26e5d3d1fa8fc10d6ebdde682d6b6f175521 150w, https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/320px-CPT-Structured_Chart_Example.svg1_.png 320w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/h2>\n<h2>Flow Chart<\/h2>\n<p>A <strong>Graphical design notation<\/strong> that\u00a0are used in designing and documenting complex processes or programs. Like other types of diagrams, they help visualize what is going on and thereby help the people to understand a process, and perhaps also find flaws, bottlenecks, and other less-obvious features within it. \u00a0<strong>Selection and Iteration<\/strong> can been seen in the example below.<\/p>\n<p><a href=\"https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/gflow.png\"><img loading=\"lazy\" decoding=\"async\" data-attachment-id=\"673\" data-permalink=\"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/2015\/03\/10\/design-notations-also-applies-in-isdd\/gflow\/\" data-orig-file=\"https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/gflow.png\" data-orig-size=\"230,421\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"gflow\" data-image-description=\"\" data-image-caption=\"\" data-medium-file=\"https:\/\/glow-prod-nl.s3.eu-west-1.amazonaws.com\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/gflow-163x300.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEGkaCWV1LXdlc3QtMSJGMEQCIAIqbMrLbMDyDrEPgTnYlqHqjX77OPHnJzsNEr0FpcahAiAiMLS3ckSOqO8NzZNmJN%2FOE2YHDAnWR0pidQ6cXy4wWyq4BQgxEAUaDDI3MzU3MDE5NTQzMyIMx34uyHxviIJtEtNqKpUFlhWXoRiRSh6YGlaaZ0ElnvKtRFJ4KSvKJfQwhmwW%2BmozTMW%2BFDQbGgu9Uim6FwtlfK8y9NwKhKQB0ogWoASAFEr1y1qKdxm5z0%2BA5tYeYdxQUm%2FGY7eXrhnA0Rdcn%2F%2FUHAHy7tJUqeKHvLXABb87sKEzm03u%2BCds3Cj0vB9DQp52ngSLcRBJF0zTaRLZp5FzQvCziCkoCmLETeKtJ1JtB0qn0Sywra0TUmaW4KASvBxgh%2FBXwOPrp1qnlY6WbQ7hiHCs6frsd80XgxryCER%2B7OlpI8jvf4EKsZ6vTwhZsuSnR18CbXTV812B51p3dZvTgI8%2FZLgFd8lB13QxhwNlS41D2CgM5Rir4%2Bd9a8Oo8G3cMK84wmrLg0L5Cap%2F%2FAJMp0rYZXVDqlcrxE3VIlA2z9atNnkgiUK4TcSg6ub%2BvNfdf4UOHBYfN4X6mtHjurZkslSx91rFK0FyX4bvdSK1%2BNTnP9VyH4HHaHoaznkAyd6RNlLQKtST2Ji9sS%2B%2FfAbDoDJpMbqdaSCGi%2FEA2fWoO0POi5whHd2zwL9pY6N8KHrU0J8xxZd27eehU6hx%2BF4Ro9YMCE%2BZd1gBMH0Me%2BQ8ha3GlNgb5UpktGg6YdNihrUOxwYBHPRDMLllAWmBRVk2oH%2BfudGB4gjUqzcQv3qNcMG7SIph6mXbJYz5XJ99qtDXgCZVIGY8c9hN2kwERVTloxsLdYvqgWFQ1Zydtv7tJxknTj7gddWeXHD6g8bgtmAqUBJYc2yOA%2B8adUikygCoV3GmlwB2xs%2BXKdhYnXzsKlLleeUmBc5XvQyLaQL%2B5ej8GsLXzeX986dm11BNQ8ZI2a%2FxjXy2r4NZ%2BpQlRYUpYe%2BW3v9xESJU5epx83Aa8slH2URCaDC7ou7RBjqyAef5MbBkgohGBaUkwHFF5YXUrruXn1noyjN1aqxxLKPYHQaMVnlXsGdsfHZ62JsxAYOhuAwImzjEZieuZUZAZSxku9IscByFT5XMBrJ3dsUORMYqoW1tTtjs1Uf3ORFxiwe3uZ%2FlfWM961MXZbkGcX%2FYeU8Wc0XomZR5MpIbMvo2aPWkVMtxUGnj%2FoxlKYJagrMveodzeSO%2BXNhWk6dYZJyvq9Mp6Fqzz5CbwynRBhhOzfw%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UWG4V5A6X%2F20260624%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260624T090819Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=fe1426e83eaddf33bd2a8e441d99ff207251c4d0bb021b2f471c9c58acb7b1d2\" data-large-file=\"https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/gflow.png\" class=\"alignnone size-medium wp-image-673\" src=\"https:\/\/glow-prod-nl.s3.eu-west-1.amazonaws.com\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/gflow-163x300.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&#038;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEGkaCWV1LXdlc3QtMSJGMEQCIAIqbMrLbMDyDrEPgTnYlqHqjX77OPHnJzsNEr0FpcahAiAiMLS3ckSOqO8NzZNmJN%2FOE2YHDAnWR0pidQ6cXy4wWyq4BQgxEAUaDDI3MzU3MDE5NTQzMyIMx34uyHxviIJtEtNqKpUFlhWXoRiRSh6YGlaaZ0ElnvKtRFJ4KSvKJfQwhmwW%2BmozTMW%2BFDQbGgu9Uim6FwtlfK8y9NwKhKQB0ogWoASAFEr1y1qKdxm5z0%2BA5tYeYdxQUm%2FGY7eXrhnA0Rdcn%2F%2FUHAHy7tJUqeKHvLXABb87sKEzm03u%2BCds3Cj0vB9DQp52ngSLcRBJF0zTaRLZp5FzQvCziCkoCmLETeKtJ1JtB0qn0Sywra0TUmaW4KASvBxgh%2FBXwOPrp1qnlY6WbQ7hiHCs6frsd80XgxryCER%2B7OlpI8jvf4EKsZ6vTwhZsuSnR18CbXTV812B51p3dZvTgI8%2FZLgFd8lB13QxhwNlS41D2CgM5Rir4%2Bd9a8Oo8G3cMK84wmrLg0L5Cap%2F%2FAJMp0rYZXVDqlcrxE3VIlA2z9atNnkgiUK4TcSg6ub%2BvNfdf4UOHBYfN4X6mtHjurZkslSx91rFK0FyX4bvdSK1%2BNTnP9VyH4HHaHoaznkAyd6RNlLQKtST2Ji9sS%2B%2FfAbDoDJpMbqdaSCGi%2FEA2fWoO0POi5whHd2zwL9pY6N8KHrU0J8xxZd27eehU6hx%2BF4Ro9YMCE%2BZd1gBMH0Me%2BQ8ha3GlNgb5UpktGg6YdNihrUOxwYBHPRDMLllAWmBRVk2oH%2BfudGB4gjUqzcQv3qNcMG7SIph6mXbJYz5XJ99qtDXgCZVIGY8c9hN2kwERVTloxsLdYvqgWFQ1Zydtv7tJxknTj7gddWeXHD6g8bgtmAqUBJYc2yOA%2B8adUikygCoV3GmlwB2xs%2BXKdhYnXzsKlLleeUmBc5XvQyLaQL%2B5ej8GsLXzeX986dm11BNQ8ZI2a%2FxjXy2r4NZ%2BpQlRYUpYe%2BW3v9xESJU5epx83Aa8slH2URCaDC7ou7RBjqyAef5MbBkgohGBaUkwHFF5YXUrruXn1noyjN1aqxxLKPYHQaMVnlXsGdsfHZ62JsxAYOhuAwImzjEZieuZUZAZSxku9IscByFT5XMBrJ3dsUORMYqoW1tTtjs1Uf3ORFxiwe3uZ%2FlfWM961MXZbkGcX%2FYeU8Wc0XomZR5MpIbMvo2aPWkVMtxUGnj%2FoxlKYJagrMveodzeSO%2BXNhWk6dYZJyvq9Mp6Fqzz5CbwynRBhhOzfw%3D&#038;X-Amz-Algorithm=AWS4-HMAC-SHA256&#038;X-Amz-Credential=ASIAT7MQN47UWG4V5A6X%2F20260624%2Feu-west-1%2Fs3%2Faws4_request&#038;X-Amz-Date=20260624T090819Z&#038;X-Amz-SignedHeaders=host&#038;X-Amz-Expires=900&#038;X-Amz-Signature=fe1426e83eaddf33bd2a8e441d99ff207251c4d0bb021b2f471c9c58acb7b1d2\" alt=\"gflow\" width=\"163\" height=\"300\" srcset=\"https:\/\/glow-prod-nl.s3.eu-west-1.amazonaws.com\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/gflow-163x300.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEGkaCWV1LXdlc3QtMSJGMEQCIAIqbMrLbMDyDrEPgTnYlqHqjX77OPHnJzsNEr0FpcahAiAiMLS3ckSOqO8NzZNmJN%2FOE2YHDAnWR0pidQ6cXy4wWyq4BQgxEAUaDDI3MzU3MDE5NTQzMyIMx34uyHxviIJtEtNqKpUFlhWXoRiRSh6YGlaaZ0ElnvKtRFJ4KSvKJfQwhmwW%2BmozTMW%2BFDQbGgu9Uim6FwtlfK8y9NwKhKQB0ogWoASAFEr1y1qKdxm5z0%2BA5tYeYdxQUm%2FGY7eXrhnA0Rdcn%2F%2FUHAHy7tJUqeKHvLXABb87sKEzm03u%2BCds3Cj0vB9DQp52ngSLcRBJF0zTaRLZp5FzQvCziCkoCmLETeKtJ1JtB0qn0Sywra0TUmaW4KASvBxgh%2FBXwOPrp1qnlY6WbQ7hiHCs6frsd80XgxryCER%2B7OlpI8jvf4EKsZ6vTwhZsuSnR18CbXTV812B51p3dZvTgI8%2FZLgFd8lB13QxhwNlS41D2CgM5Rir4%2Bd9a8Oo8G3cMK84wmrLg0L5Cap%2F%2FAJMp0rYZXVDqlcrxE3VIlA2z9atNnkgiUK4TcSg6ub%2BvNfdf4UOHBYfN4X6mtHjurZkslSx91rFK0FyX4bvdSK1%2BNTnP9VyH4HHaHoaznkAyd6RNlLQKtST2Ji9sS%2B%2FfAbDoDJpMbqdaSCGi%2FEA2fWoO0POi5whHd2zwL9pY6N8KHrU0J8xxZd27eehU6hx%2BF4Ro9YMCE%2BZd1gBMH0Me%2BQ8ha3GlNgb5UpktGg6YdNihrUOxwYBHPRDMLllAWmBRVk2oH%2BfudGB4gjUqzcQv3qNcMG7SIph6mXbJYz5XJ99qtDXgCZVIGY8c9hN2kwERVTloxsLdYvqgWFQ1Zydtv7tJxknTj7gddWeXHD6g8bgtmAqUBJYc2yOA%2B8adUikygCoV3GmlwB2xs%2BXKdhYnXzsKlLleeUmBc5XvQyLaQL%2B5ej8GsLXzeX986dm11BNQ8ZI2a%2FxjXy2r4NZ%2BpQlRYUpYe%2BW3v9xESJU5epx83Aa8slH2URCaDC7ou7RBjqyAef5MbBkgohGBaUkwHFF5YXUrruXn1noyjN1aqxxLKPYHQaMVnlXsGdsfHZ62JsxAYOhuAwImzjEZieuZUZAZSxku9IscByFT5XMBrJ3dsUORMYqoW1tTtjs1Uf3ORFxiwe3uZ%2FlfWM961MXZbkGcX%2FYeU8Wc0XomZR5MpIbMvo2aPWkVMtxUGnj%2FoxlKYJagrMveodzeSO%2BXNhWk6dYZJyvq9Mp6Fqzz5CbwynRBhhOzfw%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UWG4V5A6X%2F20260624%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260624T090819Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=fe1426e83eaddf33bd2a8e441d99ff207251c4d0bb021b2f471c9c58acb7b1d2 163w, https:\/\/glow-prod-nl.s3.eu-west-1.amazonaws.com\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/gflow-81x150.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEGkaCWV1LXdlc3QtMSJGMEQCIAIqbMrLbMDyDrEPgTnYlqHqjX77OPHnJzsNEr0FpcahAiAiMLS3ckSOqO8NzZNmJN%2FOE2YHDAnWR0pidQ6cXy4wWyq4BQgxEAUaDDI3MzU3MDE5NTQzMyIMx34uyHxviIJtEtNqKpUFlhWXoRiRSh6YGlaaZ0ElnvKtRFJ4KSvKJfQwhmwW%2BmozTMW%2BFDQbGgu9Uim6FwtlfK8y9NwKhKQB0ogWoASAFEr1y1qKdxm5z0%2BA5tYeYdxQUm%2FGY7eXrhnA0Rdcn%2F%2FUHAHy7tJUqeKHvLXABb87sKEzm03u%2BCds3Cj0vB9DQp52ngSLcRBJF0zTaRLZp5FzQvCziCkoCmLETeKtJ1JtB0qn0Sywra0TUmaW4KASvBxgh%2FBXwOPrp1qnlY6WbQ7hiHCs6frsd80XgxryCER%2B7OlpI8jvf4EKsZ6vTwhZsuSnR18CbXTV812B51p3dZvTgI8%2FZLgFd8lB13QxhwNlS41D2CgM5Rir4%2Bd9a8Oo8G3cMK84wmrLg0L5Cap%2F%2FAJMp0rYZXVDqlcrxE3VIlA2z9atNnkgiUK4TcSg6ub%2BvNfdf4UOHBYfN4X6mtHjurZkslSx91rFK0FyX4bvdSK1%2BNTnP9VyH4HHaHoaznkAyd6RNlLQKtST2Ji9sS%2B%2FfAbDoDJpMbqdaSCGi%2FEA2fWoO0POi5whHd2zwL9pY6N8KHrU0J8xxZd27eehU6hx%2BF4Ro9YMCE%2BZd1gBMH0Me%2BQ8ha3GlNgb5UpktGg6YdNihrUOxwYBHPRDMLllAWmBRVk2oH%2BfudGB4gjUqzcQv3qNcMG7SIph6mXbJYz5XJ99qtDXgCZVIGY8c9hN2kwERVTloxsLdYvqgWFQ1Zydtv7tJxknTj7gddWeXHD6g8bgtmAqUBJYc2yOA%2B8adUikygCoV3GmlwB2xs%2BXKdhYnXzsKlLleeUmBc5XvQyLaQL%2B5ej8GsLXzeX986dm11BNQ8ZI2a%2FxjXy2r4NZ%2BpQlRYUpYe%2BW3v9xESJU5epx83Aa8slH2URCaDC7ou7RBjqyAef5MbBkgohGBaUkwHFF5YXUrruXn1noyjN1aqxxLKPYHQaMVnlXsGdsfHZ62JsxAYOhuAwImzjEZieuZUZAZSxku9IscByFT5XMBrJ3dsUORMYqoW1tTtjs1Uf3ORFxiwe3uZ%2FlfWM961MXZbkGcX%2FYeU8Wc0XomZR5MpIbMvo2aPWkVMtxUGnj%2FoxlKYJagrMveodzeSO%2BXNhWk6dYZJyvq9Mp6Fqzz5CbwynRBhhOzfw%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UWG4V5A6X%2F20260624%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260624T090819Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=a783db55b74914ac3dc1f696cd0c6ee35be436e6fe02806709756fa81fd39e04 81w\" sizes=\"auto, (max-width: 163px) 100vw, 163px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pseudocode to exemplify programming constructs Graphical to illustrate selection and iteration Other contemporary design notations:<\/p>\n","protected":false},"author":32,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17936,17010,17013,17009],"tags":[],"class_list":["post-671","post","type-post","status-publish","format-standard","hentry","category-design-notations","category-information-systems-development","category-national-5","category-software-design-devlopment"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/posts\/671","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/comments?post=671"}],"version-history":[{"count":5,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/posts\/671\/revisions"}],"predecessor-version":[{"id":693,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/posts\/671\/revisions\/693"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/media?parent=671"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/categories?post=671"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/tags?post=671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}