{"id":649,"date":"2015-03-09T23:37:03","date_gmt":"2015-03-09T23:37:03","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/?p=649"},"modified":"2015-03-10T22:16:41","modified_gmt":"2015-03-10T22:16:41","slug":"computational-constructs-revision","status":"publish","type":"post","link":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/2015\/03\/09\/computational-constructs-revision\/","title":{"rendered":"Computational Constructs"},"content":{"rendered":"<ul>\n<li>Expressions to assign values to variables<\/li>\n<li>Expressions to return values using arithmetic operations (+, -, *, \/, ^, mod)<\/li>\n<li>Execution of lines of code in sequence demonstrating input \u2013 process- output<\/li>\n<li>Expressions to concatenate strings and arrays using the &amp; operator<\/li>\n<li>Use of selection constructs including simple and complex conditional statements and logical operators.<\/li>\n<li>Iteration and repetition using fixed and conditional loops Pre-defined functions (with parameters)<\/li>\n<\/ul>\n<p><!--more--><\/p>\n<p>All code examples are given in Visual basic. You can find more about this topic in chapter 2 of &#8220;How to Pass NATIONAL 5 Computing Science&#8221;<\/p>\n<h2>Expressions to assign values to variables<\/h2>\n<p>The end result of an expression represents a value, which is typically of a familiar data type such as <span class=\"input\">Boolean<\/span>, <span class=\"input\">String<\/span>, or a numeric type.<\/p>\n<pre style=\"padding-left: 30px\">Name=\"Bob the Builder\"<\/pre>\n<pre style=\"padding-left: 30px\">Age=16<\/pre>\n<h2><\/h2>\n<h2>Expressions to return values using arithmetic operations (+, -, *, \/, ^, mod)<\/h2>\n<p>The end result of an expression represents a value, which is typically of a familiar data type such as <span class=\"input\">Boolean<\/span>, <span class=\"input\">String<\/span>, or a numeric type.<\/p>\n<pre style=\"padding-left: 30px\">msgbox(length*breadth)<\/pre>\n<pre style=\"padding-left: 30px\">squared=x^2<\/pre>\n<pre style=\"padding-left: 30px\">remainder=11 mod 2<\/pre>\n<pre style=\"padding-left: 30px\">perimeter=2*length+2*breadth<\/pre>\n<p>&nbsp;<\/p>\n<h2>Execution of lines of code in sequence demonstrating input \u2013 process- output<\/h2>\n<p>Procedural languages follow a predetermined sequence. The program below shows Input, Process and output<\/p>\n<pre style=\"padding-left: 30px\">name=inputbox(\"What is your name\") 'input\r\nupperName=upper(name) 'process\r\nmsgbox(\"your name in capitals is \" &amp; upperName) 'output<\/pre>\n<h2>\u00a0Expressions to concatenate strings and arrays using the &amp; operator<\/h2>\n<p>Concatenation is the joining together of two or more strings. Array&#8217;s can also be concatenated into strings.<\/p>\n<pre style=\"padding-left: 30px\">fullName=firstName &amp; lastName<\/pre>\n<h2>Use of selection constructs including simple and complex conditional statements and logical operators.<\/h2>\n<p>conditional statements use comparators (Comparison Operators) like &gt;,&lt;,=,&lt;&gt;<\/p>\n<p>Logical operators are used make the comparison more complex AND, OR, NOT<\/p>\n<pre style=\"padding-left: 30px\">If score&gt;=1000 then msgbox(\"well done\")<\/pre>\n<pre style=\"padding-left: 30px\">if time&gt;12 and hungry=true then msgbox(\"Lunchtime\")<\/pre>\n<h2>Iteration and repetition using fixed and conditional loops<\/h2>\n<p>The terms <em>iteration <\/em>and <em>repetition<\/em> are essentially the same thing in programming. They describe the repeated execution of a block of statements. A repetition or iteration structure is a loop statement. It repeats a block of statements <em>once<\/em>, <em>multiple times<\/em> or <em>not at all<\/em>. It all depends on the loop condition and when this condition is tested.<\/p>\n<pre style=\"padding-left: 30px\">For Counter= 1 to 5 ' fixed loop\r\n   msgbox(counter)\r\nnext<\/pre>\n<pre><\/pre>\n<p>&nbsp;<\/p>\n<pre style=\"padding-left: 30px\">Do 'conditional loop\r\n   quit=msgbox(\"Do you want to quit?\",vbYesNo)\r\nloop until quit=vbYes<\/pre>\n<h2>Pre-defined functions (with parameters)<\/h2>\n<p>A pre-defined function is a function that is built into the programming language. Examples include Sin, Cos &amp; Tan<\/p>\n<pre style=\"padding-left: 30px\">capsName=upper(name)<\/pre>\n<pre style=\"padding-left: 30px\">dice=int(rnd()*6)+1\r\n<\/pre>\n<p>Exemplification of functions<\/p>\n<p><a href=\"https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/Square.png\"><img decoding=\"async\" data-attachment-id=\"679\" data-permalink=\"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/2015\/03\/09\/computational-constructs-revision\/square\/\" data-orig-file=\"https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/Square.png\" data-orig-size=\"547,297\" 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=\"Square\" 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\/Square-300x162.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEID%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIGitPpXroSQw8d10F84e2vSTX2h6OAnipy%2Bm92lKt%2BPSAiEAy6p9O6mBjjPqygyxAIUUt6gz26nUJPdXw7rxbRxTx50quAUISRAFGgwyNzM1NzAxOTU0MzMiDODPdr3YJ%2BmQ0IcrmyqVBefL6hpic5TRJk6Jy7tiyM4jZzJghxU6bumWr16rgq91SABtDoRmWUP7qspYgrEq51eYKj1VtApdjPcMzUmlAuYv9FvMqwQqqnYBjIb%2Bq1F5wCOdZZAj0zBaCF2166XzSulxga3I4HnfpE%2FaW%2BdAcv1ntxSJcqRroCP9F%2Braezt%2B%2FUS2R8%2FgOQzwGyYoTpWoPpYlHb3QoEfYJ8LB5%2BB5zDhA%2B1Keam%2BJoJlcalJaxQQajrDxDwmc37B8UEHGUORSO7fs2Kgt5MGseVvWmH4%2BVKGYZNNUS3XT%2FYKiMu2STDmI0VWvCl%2BFR89rs6pFSufp0CRNu%2BMNXoxxWZdXQ9pgvxVPWeeM3G%2FPNEwCGdsBbNOVNfCowip6UGoWkAiftNrU%2Fl3pHQ10ZNkeVhNtv5OglKyirwQIY3yrPz%2BUBpO9cf%2BIVJNqv3umztMTLqS4fxS03DaVsSaWgeDkjN7pPZNVNXU5WNVCD4M1d6E5dycrf777VbuiVqeWwpttX10x88eTcxv3I1FnL21mv5m6u2SN8%2BMKiowV%2FjiMDnRgKtKRpQVBLjAmHd2OmEZkI5fvf9FdBH%2BwC5SqB2zyvu98lgYSESqN9yqU%2FBfdAprL6QZf8eMm5trQpgBV7cyZxzKXXRIMS48QKV5GBC3KXcKmVvqINSosROTTPkK1qsxegXNty4iMdtdgoqQz%2FnWAh%2FN98qQEcyJV%2BXQS1qsxlxjEZ32W%2FE3P2jBW%2FOuHUjsdKuclEfXl0ZbHubcHmdqAPqYfI7QZqxbd8D19HuMnlSb5HejratRpjbEV5DKHF3JjPBcisaEkZgoJ7%2FT6Zsc1Hwelk3VEObYs0L%2BEc0aToc3XP1LaITA7zrPczScahcfLvQSle6tuLaMtkDQwgb%2FU0wY6sQFJmtt91P1eyJjPK9iPQcfLVWsHXHg3nQFuxnJ4hHYsSvlcy80aVtEPqLwktZ2pxWiljhtl%2Bw3Xz2Uc7mG2PJIpWG7xSXkmt%2FsW0%2FU8vpThG7gOroYnC9LQcl0NuTRGVDzCbDZ9TxHnD20ISWH0xvb46gY5hsBaxZ6bYlvtl2Wk62Xe6DLSaLXZsrSc%2FeEmuH04LtFhThhRfrS%2BXzorW7HbTKHRg%2BeGaaITLK82NEsFdU8%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UUCCW4B4O%2F20260807%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260807T001229Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=edec77d90dbcd33206e7aed8f6376a361ede54872d3f84216bd5a2d311d0a9cb\" data-large-file=\"https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/Square.png\" class=\"alignnone size-medium wp-image-679\" src=\"https:\/\/glow-prod-nl.s3.eu-west-1.amazonaws.com\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/Square-300x162.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&#038;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEID%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIGitPpXroSQw8d10F84e2vSTX2h6OAnipy%2Bm92lKt%2BPSAiEAy6p9O6mBjjPqygyxAIUUt6gz26nUJPdXw7rxbRxTx50quAUISRAFGgwyNzM1NzAxOTU0MzMiDODPdr3YJ%2BmQ0IcrmyqVBefL6hpic5TRJk6Jy7tiyM4jZzJghxU6bumWr16rgq91SABtDoRmWUP7qspYgrEq51eYKj1VtApdjPcMzUmlAuYv9FvMqwQqqnYBjIb%2Bq1F5wCOdZZAj0zBaCF2166XzSulxga3I4HnfpE%2FaW%2BdAcv1ntxSJcqRroCP9F%2Braezt%2B%2FUS2R8%2FgOQzwGyYoTpWoPpYlHb3QoEfYJ8LB5%2BB5zDhA%2B1Keam%2BJoJlcalJaxQQajrDxDwmc37B8UEHGUORSO7fs2Kgt5MGseVvWmH4%2BVKGYZNNUS3XT%2FYKiMu2STDmI0VWvCl%2BFR89rs6pFSufp0CRNu%2BMNXoxxWZdXQ9pgvxVPWeeM3G%2FPNEwCGdsBbNOVNfCowip6UGoWkAiftNrU%2Fl3pHQ10ZNkeVhNtv5OglKyirwQIY3yrPz%2BUBpO9cf%2BIVJNqv3umztMTLqS4fxS03DaVsSaWgeDkjN7pPZNVNXU5WNVCD4M1d6E5dycrf777VbuiVqeWwpttX10x88eTcxv3I1FnL21mv5m6u2SN8%2BMKiowV%2FjiMDnRgKtKRpQVBLjAmHd2OmEZkI5fvf9FdBH%2BwC5SqB2zyvu98lgYSESqN9yqU%2FBfdAprL6QZf8eMm5trQpgBV7cyZxzKXXRIMS48QKV5GBC3KXcKmVvqINSosROTTPkK1qsxegXNty4iMdtdgoqQz%2FnWAh%2FN98qQEcyJV%2BXQS1qsxlxjEZ32W%2FE3P2jBW%2FOuHUjsdKuclEfXl0ZbHubcHmdqAPqYfI7QZqxbd8D19HuMnlSb5HejratRpjbEV5DKHF3JjPBcisaEkZgoJ7%2FT6Zsc1Hwelk3VEObYs0L%2BEc0aToc3XP1LaITA7zrPczScahcfLvQSle6tuLaMtkDQwgb%2FU0wY6sQFJmtt91P1eyJjPK9iPQcfLVWsHXHg3nQFuxnJ4hHYsSvlcy80aVtEPqLwktZ2pxWiljhtl%2Bw3Xz2Uc7mG2PJIpWG7xSXkmt%2FsW0%2FU8vpThG7gOroYnC9LQcl0NuTRGVDzCbDZ9TxHnD20ISWH0xvb46gY5hsBaxZ6bYlvtl2Wk62Xe6DLSaLXZsrSc%2FeEmuH04LtFhThhRfrS%2BXzorW7HbTKHRg%2BeGaaITLK82NEsFdU8%3D&#038;X-Amz-Algorithm=AWS4-HMAC-SHA256&#038;X-Amz-Credential=ASIAT7MQN47UUCCW4B4O%2F20260807%2Feu-west-1%2Fs3%2Faws4_request&#038;X-Amz-Date=20260807T001229Z&#038;X-Amz-SignedHeaders=host&#038;X-Amz-Expires=900&#038;X-Amz-Signature=edec77d90dbcd33206e7aed8f6376a361ede54872d3f84216bd5a2d311d0a9cb\" alt=\"Square\" width=\"300\" height=\"162\" srcset=\"https:\/\/glow-prod-nl.s3.eu-west-1.amazonaws.com\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/Square-300x162.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEID%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIGitPpXroSQw8d10F84e2vSTX2h6OAnipy%2Bm92lKt%2BPSAiEAy6p9O6mBjjPqygyxAIUUt6gz26nUJPdXw7rxbRxTx50quAUISRAFGgwyNzM1NzAxOTU0MzMiDODPdr3YJ%2BmQ0IcrmyqVBefL6hpic5TRJk6Jy7tiyM4jZzJghxU6bumWr16rgq91SABtDoRmWUP7qspYgrEq51eYKj1VtApdjPcMzUmlAuYv9FvMqwQqqnYBjIb%2Bq1F5wCOdZZAj0zBaCF2166XzSulxga3I4HnfpE%2FaW%2BdAcv1ntxSJcqRroCP9F%2Braezt%2B%2FUS2R8%2FgOQzwGyYoTpWoPpYlHb3QoEfYJ8LB5%2BB5zDhA%2B1Keam%2BJoJlcalJaxQQajrDxDwmc37B8UEHGUORSO7fs2Kgt5MGseVvWmH4%2BVKGYZNNUS3XT%2FYKiMu2STDmI0VWvCl%2BFR89rs6pFSufp0CRNu%2BMNXoxxWZdXQ9pgvxVPWeeM3G%2FPNEwCGdsBbNOVNfCowip6UGoWkAiftNrU%2Fl3pHQ10ZNkeVhNtv5OglKyirwQIY3yrPz%2BUBpO9cf%2BIVJNqv3umztMTLqS4fxS03DaVsSaWgeDkjN7pPZNVNXU5WNVCD4M1d6E5dycrf777VbuiVqeWwpttX10x88eTcxv3I1FnL21mv5m6u2SN8%2BMKiowV%2FjiMDnRgKtKRpQVBLjAmHd2OmEZkI5fvf9FdBH%2BwC5SqB2zyvu98lgYSESqN9yqU%2FBfdAprL6QZf8eMm5trQpgBV7cyZxzKXXRIMS48QKV5GBC3KXcKmVvqINSosROTTPkK1qsxegXNty4iMdtdgoqQz%2FnWAh%2FN98qQEcyJV%2BXQS1qsxlxjEZ32W%2FE3P2jBW%2FOuHUjsdKuclEfXl0ZbHubcHmdqAPqYfI7QZqxbd8D19HuMnlSb5HejratRpjbEV5DKHF3JjPBcisaEkZgoJ7%2FT6Zsc1Hwelk3VEObYs0L%2BEc0aToc3XP1LaITA7zrPczScahcfLvQSle6tuLaMtkDQwgb%2FU0wY6sQFJmtt91P1eyJjPK9iPQcfLVWsHXHg3nQFuxnJ4hHYsSvlcy80aVtEPqLwktZ2pxWiljhtl%2Bw3Xz2Uc7mG2PJIpWG7xSXkmt%2FsW0%2FU8vpThG7gOroYnC9LQcl0NuTRGVDzCbDZ9TxHnD20ISWH0xvb46gY5hsBaxZ6bYlvtl2Wk62Xe6DLSaLXZsrSc%2FeEmuH04LtFhThhRfrS%2BXzorW7HbTKHRg%2BeGaaITLK82NEsFdU8%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UUCCW4B4O%2F20260807%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260807T001229Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=edec77d90dbcd33206e7aed8f6376a361ede54872d3f84216bd5a2d311d0a9cb 300w, https:\/\/glow-prod-nl.s3.eu-west-1.amazonaws.com\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/Square-150x81.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEID%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIGitPpXroSQw8d10F84e2vSTX2h6OAnipy%2Bm92lKt%2BPSAiEAy6p9O6mBjjPqygyxAIUUt6gz26nUJPdXw7rxbRxTx50quAUISRAFGgwyNzM1NzAxOTU0MzMiDODPdr3YJ%2BmQ0IcrmyqVBefL6hpic5TRJk6Jy7tiyM4jZzJghxU6bumWr16rgq91SABtDoRmWUP7qspYgrEq51eYKj1VtApdjPcMzUmlAuYv9FvMqwQqqnYBjIb%2Bq1F5wCOdZZAj0zBaCF2166XzSulxga3I4HnfpE%2FaW%2BdAcv1ntxSJcqRroCP9F%2Braezt%2B%2FUS2R8%2FgOQzwGyYoTpWoPpYlHb3QoEfYJ8LB5%2BB5zDhA%2B1Keam%2BJoJlcalJaxQQajrDxDwmc37B8UEHGUORSO7fs2Kgt5MGseVvWmH4%2BVKGYZNNUS3XT%2FYKiMu2STDmI0VWvCl%2BFR89rs6pFSufp0CRNu%2BMNXoxxWZdXQ9pgvxVPWeeM3G%2FPNEwCGdsBbNOVNfCowip6UGoWkAiftNrU%2Fl3pHQ10ZNkeVhNtv5OglKyirwQIY3yrPz%2BUBpO9cf%2BIVJNqv3umztMTLqS4fxS03DaVsSaWgeDkjN7pPZNVNXU5WNVCD4M1d6E5dycrf777VbuiVqeWwpttX10x88eTcxv3I1FnL21mv5m6u2SN8%2BMKiowV%2FjiMDnRgKtKRpQVBLjAmHd2OmEZkI5fvf9FdBH%2BwC5SqB2zyvu98lgYSESqN9yqU%2FBfdAprL6QZf8eMm5trQpgBV7cyZxzKXXRIMS48QKV5GBC3KXcKmVvqINSosROTTPkK1qsxegXNty4iMdtdgoqQz%2FnWAh%2FN98qQEcyJV%2BXQS1qsxlxjEZ32W%2FE3P2jBW%2FOuHUjsdKuclEfXl0ZbHubcHmdqAPqYfI7QZqxbd8D19HuMnlSb5HejratRpjbEV5DKHF3JjPBcisaEkZgoJ7%2FT6Zsc1Hwelk3VEObYs0L%2BEc0aToc3XP1LaITA7zrPczScahcfLvQSle6tuLaMtkDQwgb%2FU0wY6sQFJmtt91P1eyJjPK9iPQcfLVWsHXHg3nQFuxnJ4hHYsSvlcy80aVtEPqLwktZ2pxWiljhtl%2Bw3Xz2Uc7mG2PJIpWG7xSXkmt%2FsW0%2FU8vpThG7gOroYnC9LQcl0NuTRGVDzCbDZ9TxHnD20ISWH0xvb46gY5hsBaxZ6bYlvtl2Wk62Xe6DLSaLXZsrSc%2FeEmuH04LtFhThhRfrS%2BXzorW7HbTKHRg%2BeGaaITLK82NEsFdU8%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UUCCW4B4O%2F20260807%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260807T001229Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=d3d776f858d66b7f04a7b64a7f706db4e2e4ef00f58d1209bd4408a79379941e 150w, https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/Square.png 547w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<pre>Hexagon(n)\r\n\r\nRepeat 6 Times\r\nMove (n)\r\nRotate (60)\r\nEnd Repeat<\/pre>\n<p><a href=\"https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/Hexagon.png\"><img decoding=\"async\" data-attachment-id=\"680\" data-permalink=\"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/2015\/03\/09\/computational-constructs-revision\/hexagon\/\" data-orig-file=\"https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/Hexagon.png\" data-orig-size=\"343,255\" 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=\"Hexagon\" 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\/Hexagon-300x223.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEID%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIGitPpXroSQw8d10F84e2vSTX2h6OAnipy%2Bm92lKt%2BPSAiEAy6p9O6mBjjPqygyxAIUUt6gz26nUJPdXw7rxbRxTx50quAUISRAFGgwyNzM1NzAxOTU0MzMiDODPdr3YJ%2BmQ0IcrmyqVBefL6hpic5TRJk6Jy7tiyM4jZzJghxU6bumWr16rgq91SABtDoRmWUP7qspYgrEq51eYKj1VtApdjPcMzUmlAuYv9FvMqwQqqnYBjIb%2Bq1F5wCOdZZAj0zBaCF2166XzSulxga3I4HnfpE%2FaW%2BdAcv1ntxSJcqRroCP9F%2Braezt%2B%2FUS2R8%2FgOQzwGyYoTpWoPpYlHb3QoEfYJ8LB5%2BB5zDhA%2B1Keam%2BJoJlcalJaxQQajrDxDwmc37B8UEHGUORSO7fs2Kgt5MGseVvWmH4%2BVKGYZNNUS3XT%2FYKiMu2STDmI0VWvCl%2BFR89rs6pFSufp0CRNu%2BMNXoxxWZdXQ9pgvxVPWeeM3G%2FPNEwCGdsBbNOVNfCowip6UGoWkAiftNrU%2Fl3pHQ10ZNkeVhNtv5OglKyirwQIY3yrPz%2BUBpO9cf%2BIVJNqv3umztMTLqS4fxS03DaVsSaWgeDkjN7pPZNVNXU5WNVCD4M1d6E5dycrf777VbuiVqeWwpttX10x88eTcxv3I1FnL21mv5m6u2SN8%2BMKiowV%2FjiMDnRgKtKRpQVBLjAmHd2OmEZkI5fvf9FdBH%2BwC5SqB2zyvu98lgYSESqN9yqU%2FBfdAprL6QZf8eMm5trQpgBV7cyZxzKXXRIMS48QKV5GBC3KXcKmVvqINSosROTTPkK1qsxegXNty4iMdtdgoqQz%2FnWAh%2FN98qQEcyJV%2BXQS1qsxlxjEZ32W%2FE3P2jBW%2FOuHUjsdKuclEfXl0ZbHubcHmdqAPqYfI7QZqxbd8D19HuMnlSb5HejratRpjbEV5DKHF3JjPBcisaEkZgoJ7%2FT6Zsc1Hwelk3VEObYs0L%2BEc0aToc3XP1LaITA7zrPczScahcfLvQSle6tuLaMtkDQwgb%2FU0wY6sQFJmtt91P1eyJjPK9iPQcfLVWsHXHg3nQFuxnJ4hHYsSvlcy80aVtEPqLwktZ2pxWiljhtl%2Bw3Xz2Uc7mG2PJIpWG7xSXkmt%2FsW0%2FU8vpThG7gOroYnC9LQcl0NuTRGVDzCbDZ9TxHnD20ISWH0xvb46gY5hsBaxZ6bYlvtl2Wk62Xe6DLSaLXZsrSc%2FeEmuH04LtFhThhRfrS%2BXzorW7HbTKHRg%2BeGaaITLK82NEsFdU8%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UUCCW4B4O%2F20260807%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260807T001229Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=79c538a8c8c0964d8c9ea651c9ac2d7cc9e39a86fe429ebd888e6385552710a1\" data-large-file=\"https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/Hexagon.png\" class=\"alignnone size-medium wp-image-680\" src=\"https:\/\/glow-prod-nl.s3.eu-west-1.amazonaws.com\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/Hexagon-300x223.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&#038;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEID%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIGitPpXroSQw8d10F84e2vSTX2h6OAnipy%2Bm92lKt%2BPSAiEAy6p9O6mBjjPqygyxAIUUt6gz26nUJPdXw7rxbRxTx50quAUISRAFGgwyNzM1NzAxOTU0MzMiDODPdr3YJ%2BmQ0IcrmyqVBefL6hpic5TRJk6Jy7tiyM4jZzJghxU6bumWr16rgq91SABtDoRmWUP7qspYgrEq51eYKj1VtApdjPcMzUmlAuYv9FvMqwQqqnYBjIb%2Bq1F5wCOdZZAj0zBaCF2166XzSulxga3I4HnfpE%2FaW%2BdAcv1ntxSJcqRroCP9F%2Braezt%2B%2FUS2R8%2FgOQzwGyYoTpWoPpYlHb3QoEfYJ8LB5%2BB5zDhA%2B1Keam%2BJoJlcalJaxQQajrDxDwmc37B8UEHGUORSO7fs2Kgt5MGseVvWmH4%2BVKGYZNNUS3XT%2FYKiMu2STDmI0VWvCl%2BFR89rs6pFSufp0CRNu%2BMNXoxxWZdXQ9pgvxVPWeeM3G%2FPNEwCGdsBbNOVNfCowip6UGoWkAiftNrU%2Fl3pHQ10ZNkeVhNtv5OglKyirwQIY3yrPz%2BUBpO9cf%2BIVJNqv3umztMTLqS4fxS03DaVsSaWgeDkjN7pPZNVNXU5WNVCD4M1d6E5dycrf777VbuiVqeWwpttX10x88eTcxv3I1FnL21mv5m6u2SN8%2BMKiowV%2FjiMDnRgKtKRpQVBLjAmHd2OmEZkI5fvf9FdBH%2BwC5SqB2zyvu98lgYSESqN9yqU%2FBfdAprL6QZf8eMm5trQpgBV7cyZxzKXXRIMS48QKV5GBC3KXcKmVvqINSosROTTPkK1qsxegXNty4iMdtdgoqQz%2FnWAh%2FN98qQEcyJV%2BXQS1qsxlxjEZ32W%2FE3P2jBW%2FOuHUjsdKuclEfXl0ZbHubcHmdqAPqYfI7QZqxbd8D19HuMnlSb5HejratRpjbEV5DKHF3JjPBcisaEkZgoJ7%2FT6Zsc1Hwelk3VEObYs0L%2BEc0aToc3XP1LaITA7zrPczScahcfLvQSle6tuLaMtkDQwgb%2FU0wY6sQFJmtt91P1eyJjPK9iPQcfLVWsHXHg3nQFuxnJ4hHYsSvlcy80aVtEPqLwktZ2pxWiljhtl%2Bw3Xz2Uc7mG2PJIpWG7xSXkmt%2FsW0%2FU8vpThG7gOroYnC9LQcl0NuTRGVDzCbDZ9TxHnD20ISWH0xvb46gY5hsBaxZ6bYlvtl2Wk62Xe6DLSaLXZsrSc%2FeEmuH04LtFhThhRfrS%2BXzorW7HbTKHRg%2BeGaaITLK82NEsFdU8%3D&#038;X-Amz-Algorithm=AWS4-HMAC-SHA256&#038;X-Amz-Credential=ASIAT7MQN47UUCCW4B4O%2F20260807%2Feu-west-1%2Fs3%2Faws4_request&#038;X-Amz-Date=20260807T001229Z&#038;X-Amz-SignedHeaders=host&#038;X-Amz-Expires=900&#038;X-Amz-Signature=79c538a8c8c0964d8c9ea651c9ac2d7cc9e39a86fe429ebd888e6385552710a1\" alt=\"Hexagon\" width=\"300\" height=\"223\" srcset=\"https:\/\/glow-prod-nl.s3.eu-west-1.amazonaws.com\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/Hexagon-300x223.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEID%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIGitPpXroSQw8d10F84e2vSTX2h6OAnipy%2Bm92lKt%2BPSAiEAy6p9O6mBjjPqygyxAIUUt6gz26nUJPdXw7rxbRxTx50quAUISRAFGgwyNzM1NzAxOTU0MzMiDODPdr3YJ%2BmQ0IcrmyqVBefL6hpic5TRJk6Jy7tiyM4jZzJghxU6bumWr16rgq91SABtDoRmWUP7qspYgrEq51eYKj1VtApdjPcMzUmlAuYv9FvMqwQqqnYBjIb%2Bq1F5wCOdZZAj0zBaCF2166XzSulxga3I4HnfpE%2FaW%2BdAcv1ntxSJcqRroCP9F%2Braezt%2B%2FUS2R8%2FgOQzwGyYoTpWoPpYlHb3QoEfYJ8LB5%2BB5zDhA%2B1Keam%2BJoJlcalJaxQQajrDxDwmc37B8UEHGUORSO7fs2Kgt5MGseVvWmH4%2BVKGYZNNUS3XT%2FYKiMu2STDmI0VWvCl%2BFR89rs6pFSufp0CRNu%2BMNXoxxWZdXQ9pgvxVPWeeM3G%2FPNEwCGdsBbNOVNfCowip6UGoWkAiftNrU%2Fl3pHQ10ZNkeVhNtv5OglKyirwQIY3yrPz%2BUBpO9cf%2BIVJNqv3umztMTLqS4fxS03DaVsSaWgeDkjN7pPZNVNXU5WNVCD4M1d6E5dycrf777VbuiVqeWwpttX10x88eTcxv3I1FnL21mv5m6u2SN8%2BMKiowV%2FjiMDnRgKtKRpQVBLjAmHd2OmEZkI5fvf9FdBH%2BwC5SqB2zyvu98lgYSESqN9yqU%2FBfdAprL6QZf8eMm5trQpgBV7cyZxzKXXRIMS48QKV5GBC3KXcKmVvqINSosROTTPkK1qsxegXNty4iMdtdgoqQz%2FnWAh%2FN98qQEcyJV%2BXQS1qsxlxjEZ32W%2FE3P2jBW%2FOuHUjsdKuclEfXl0ZbHubcHmdqAPqYfI7QZqxbd8D19HuMnlSb5HejratRpjbEV5DKHF3JjPBcisaEkZgoJ7%2FT6Zsc1Hwelk3VEObYs0L%2BEc0aToc3XP1LaITA7zrPczScahcfLvQSle6tuLaMtkDQwgb%2FU0wY6sQFJmtt91P1eyJjPK9iPQcfLVWsHXHg3nQFuxnJ4hHYsSvlcy80aVtEPqLwktZ2pxWiljhtl%2Bw3Xz2Uc7mG2PJIpWG7xSXkmt%2FsW0%2FU8vpThG7gOroYnC9LQcl0NuTRGVDzCbDZ9TxHnD20ISWH0xvb46gY5hsBaxZ6bYlvtl2Wk62Xe6DLSaLXZsrSc%2FeEmuH04LtFhThhRfrS%2BXzorW7HbTKHRg%2BeGaaITLK82NEsFdU8%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UUCCW4B4O%2F20260807%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260807T001229Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=79c538a8c8c0964d8c9ea651c9ac2d7cc9e39a86fe429ebd888e6385552710a1 300w, https:\/\/glow-prod-nl.s3.eu-west-1.amazonaws.com\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/Hexagon-150x111.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEID%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIGitPpXroSQw8d10F84e2vSTX2h6OAnipy%2Bm92lKt%2BPSAiEAy6p9O6mBjjPqygyxAIUUt6gz26nUJPdXw7rxbRxTx50quAUISRAFGgwyNzM1NzAxOTU0MzMiDODPdr3YJ%2BmQ0IcrmyqVBefL6hpic5TRJk6Jy7tiyM4jZzJghxU6bumWr16rgq91SABtDoRmWUP7qspYgrEq51eYKj1VtApdjPcMzUmlAuYv9FvMqwQqqnYBjIb%2Bq1F5wCOdZZAj0zBaCF2166XzSulxga3I4HnfpE%2FaW%2BdAcv1ntxSJcqRroCP9F%2Braezt%2B%2FUS2R8%2FgOQzwGyYoTpWoPpYlHb3QoEfYJ8LB5%2BB5zDhA%2B1Keam%2BJoJlcalJaxQQajrDxDwmc37B8UEHGUORSO7fs2Kgt5MGseVvWmH4%2BVKGYZNNUS3XT%2FYKiMu2STDmI0VWvCl%2BFR89rs6pFSufp0CRNu%2BMNXoxxWZdXQ9pgvxVPWeeM3G%2FPNEwCGdsBbNOVNfCowip6UGoWkAiftNrU%2Fl3pHQ10ZNkeVhNtv5OglKyirwQIY3yrPz%2BUBpO9cf%2BIVJNqv3umztMTLqS4fxS03DaVsSaWgeDkjN7pPZNVNXU5WNVCD4M1d6E5dycrf777VbuiVqeWwpttX10x88eTcxv3I1FnL21mv5m6u2SN8%2BMKiowV%2FjiMDnRgKtKRpQVBLjAmHd2OmEZkI5fvf9FdBH%2BwC5SqB2zyvu98lgYSESqN9yqU%2FBfdAprL6QZf8eMm5trQpgBV7cyZxzKXXRIMS48QKV5GBC3KXcKmVvqINSosROTTPkK1qsxegXNty4iMdtdgoqQz%2FnWAh%2FN98qQEcyJV%2BXQS1qsxlxjEZ32W%2FE3P2jBW%2FOuHUjsdKuclEfXl0ZbHubcHmdqAPqYfI7QZqxbd8D19HuMnlSb5HejratRpjbEV5DKHF3JjPBcisaEkZgoJ7%2FT6Zsc1Hwelk3VEObYs0L%2BEc0aToc3XP1LaITA7zrPczScahcfLvQSle6tuLaMtkDQwgb%2FU0wY6sQFJmtt91P1eyJjPK9iPQcfLVWsHXHg3nQFuxnJ4hHYsSvlcy80aVtEPqLwktZ2pxWiljhtl%2Bw3Xz2Uc7mG2PJIpWG7xSXkmt%2FsW0%2FU8vpThG7gOroYnC9LQcl0NuTRGVDzCbDZ9TxHnD20ISWH0xvb46gY5hsBaxZ6bYlvtl2Wk62Xe6DLSaLXZsrSc%2FeEmuH04LtFhThhRfrS%2BXzorW7HbTKHRg%2BeGaaITLK82NEsFdU8%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UUCCW4B4O%2F20260807%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260807T001229Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=0a2864cc519dcc34fff35f8e1d25e8bc7d611b9a3f3908289f4ff25f9abeeaa0 150w, https:\/\/blogs.glowscotland.org.uk\/nl\/public\/ColtnessHS-ComputingScience\/uploads\/sites\/12638\/2015\/03\/Hexagon.png 343w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Expressions to assign values to variables Expressions to return values using arithmetic operations (+, -, *, \/, ^, mod) Execution of lines of code in sequence demonstrating input \u2013 process- output Expressions to concatenate strings and arrays using the &amp; operator Use of selection constructs including simple and complex conditional statements and logical operators. Iteration &hellip;<\/p>\n","protected":false},"author":32,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17013,475,17009],"tags":[],"class_list":["post-649","post","type-post","status-publish","format-standard","hentry","category-national-5","category-revision","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\/649","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=649"}],"version-history":[{"count":7,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/posts\/649\/revisions"}],"predecessor-version":[{"id":696,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/posts\/649\/revisions\/696"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/media?parent=649"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/categories?post=649"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/nl\/ColtnessHS-ComputingScience\/wp-json\/wp\/v2\/tags?post=649"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}