GCSE Computer Science: Programming

Teach GCSE students the core programming topics they need to pass their GCSE exams.
Suitable for use with AQA, CIE, Edexcel & OCR.

Sign up now →

GCSE Computer Science: Programming

This module covers the computer programming topics that students need to learn at GCSE level. Including:

Basic programming constructs
Variables and data types
String manipulation
Functions and procedures
File handling
Data structures
Producing robust programs

What’s included?

Each module contains:

An editable PowerPoint lesson presentation
Editable revision handouts
A glossary which covers the key terminologies of the module
Topic mindmaps for visualising the key concepts
Printable flashcards to help students engage active recall and confidence-based repetition
A quiz with accompanying answer key to test knowledge and understanding of the module

As a premium member, you get access to the entire library of GCSE Computer science resources. Choose your theory modules to below to start your downloads.

GCSE Computer Science: Programming Image 1

Basic Programming Constructs

GCSE Computer Science: Programming Image 2

Variables and Data Types

GCSE Computer Science: Programming Image 3

String Manipulation

GCSE Computer Science: Programming Image 4

Functions and Procedures

GCSE Computer Science: Programming Image 4

Random Number Generation

GCSE Computer Science: Programming Image 6

File Handling

GCSE Computer Science: Programming Image 7

Data Structures

GCSE Computer Science: Programming Image 8

Producing Robust Programs

GCSE Computer Science: Programming Image 9

View All Modules

View All Modules

img:is([sizes="auto" i],[sizes^="auto," i]){contain-intrinsic-size:3000px 1500px;}img.wp-smiley,img.emoji{display:inline !important;border:none !important;box-shadow:none !important;height:1em !important;width:1em !important;margin:0 .07em !important;vertical-align:-.1em !important;background:none !important;padding:0 !important;}.safe-svg-cover{text-align:center;}.safe-svg-cover .safe-svg-inside{display:inline-block;max-width:100%;}.safe-svg-cover svg{height:100%;max-height:100%;max-width:100%;width:100%;}.jetpack-sharing-buttons__services-list{display:flex;flex-direction:row;flex-wrap:wrap;gap:0;list-style-type:none;margin:5px;padding:0;}.jetpack-sharing-buttons__services-list.has-small-icon-size{font-size:12px;}.jetpack-sharing-buttons__services-list.has-normal-icon-size{font-size:16px;}.jetpack-sharing-buttons__services-list.has-large-icon-size{font-size:24px;}.jetpack-sharing-buttons__services-list.has-huge-icon-size{font-size:36px;}@media print{.jetpack-sharing-buttons__services-list{display:none !important;}}.editor-styles-wrapper .wp-block-jetpack-sharing-buttons{gap:0;padding-inline-start:0;}ul.jetpack-sharing-buttons__services-list.has-background{padding:1.25em 2.375em;}.wp-block-rank-math-toc-block nav ol{counter-reset:item;}.wp-block-rank-math-toc-block nav ol li{display:block;}.wp-block-rank-math-toc-block nav ol li:before{content:counters(item,".") ". ";counter-increment:item;}@-webkit-keyframes spin{0%{-webkit-transform:rotate(0deg);}100%{-webkit-transform:rotate(-360deg);}}@keyframes spin{0%{-webkit-transform:rotate(0deg);}100%{-webkit-transform:rotate(-360deg);}}@keyframes bounce{from{-webkit-transform:translateY(0px);transform:translateY(0px);}to{-webkit-transform:translateY(-5px);transform:translateY(-5px);}}@-webkit-keyframes bounce{from{-webkit-transform:translateY(0px);transform:translateY(0px);}to{-webkit-transform:translateY(-5px);transform:translateY(-5px);}}@-webkit-keyframes loading{0%{background-size:20% 50%,20% 50%,20% 50%;}20%{background-size:20% 20%,20% 50%,20% 50%;}40%{background-size:20% 100%,20% 20%,20% 50%;}60%{background-size:20% 50%,20% 100%,20% 20%;}80%{background-size:20% 50%,20% 50%,20% 100%;}100%{background-size:20% 50%,20% 50%,20% 50%;}}@keyframes loading{0%{background-size:20% 50%,20% 50%,20% 50%;}20%{background-size:20% 20%,20% 50%,20% 50%;}40%{background-size:20% 100%,20% 20%,20% 50%;}60%{background-size:20% 50%,20% 100%,20% 20%;}80%{background-size:20% 50%,20% 50%,20% 100%;}100%{background-size:20% 50%,20% 50%,20% 50%;}}:root{--rankmath-wp-adminbar-height:0;}#rank-math-rich-snippet-wrapper{overflow:hidden;}#rank-math-rich-snippet-wrapper h5.rank-math-title{display:block;font-size:18px;line-height:1.4;}#rank-math-rich-snippet-wrapper .rank-math-review-image{float:right;max-width:40%;margin-left:15px;}#rank-math-rich-snippet-wrapper .rank-math-review-data{margin-bottom:15px;}#rank-math-rich-snippet-wrapper .rank-math-total-wrapper{width:100%;padding:0 0 20px 0;float:left;clear:both;position:relative;-webkit-box-sizing:border-box;box-sizing:border-box;}#rank-math-rich-snippet-wrapper .rank-math-total-wrapper .rank-math-total{border:0;display:block;margin:0;width:auto;float:left;text-align:left;padding:0;font-size:24px;line-height:1;font-weight:700;-webkit-box-sizing:border-box;box-sizing:border-box;overflow:hidden;}#rank-math-rich-snippet-wrapper .rank-math-total-wrapper .rank-math-review-star{float:left;margin-left:15px;margin-top:5px;position:relative;z-index:99;line-height:1;}#rank-math-rich-snippet-wrapper .rank-math-total-wrapper .rank-math-review-star .rank-math-review-result-wrapper{display:inline-block;white-space:nowrap;position:relative;color:#e7e7e7;}#rank-math-rich-snippet-wrapper .rank-math-total-wrapper .rank-math-review-star .rank-math-review-result-wrapper .rank-math-review-result{position:absolute;top:0;left:0;overflow:hidden;white-space:nowrap;color:#ffbe01;}#rank-math-rich-snippet-wrapper .rank-math-total-wrapper .rank-math-review-star .rank-math-review-result-wrapper i{font-size:18px;-webkit-text-stroke-width:1px;font-style:normal;padding:0 2px;line-height:inherit;}#rank-math-rich-snippet-wrapper .rank-math-total-wrapper .rank-math-review-star .rank-math-review-result-wrapper i:before{content:"★";}body.rtl #rank-math-rich-snippet-wrapper .rank-math-review-image{float:left;margin-left:0;margin-right:15px;}body.rtl #rank-math-rich-snippet-wrapper .rank-math-total-wrapper .rank-math-total{float:right;}body.rtl #rank-math-rich-snippet-wrapper .rank-math-total-wrapper .rank-math-review-star{float:right;margin-left:0;margin-right:15px;}body.rtl #rank-math-rich-snippet-wrapper .rank-math-total-wrapper .rank-math-review-star .rank-math-review-result{left:auto;right:0;}@media screen and (max-width: 480px){#rank-math-rich-snippet-wrapper .rank-math-review-image{display:block;max-width:100%;width:100%;text-align:center;margin-right:0;}#rank-math-rich-snippet-wrapper .rank-math-review-data{clear:both;}}.clear{clear:both;}.wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em;}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none;}:root{--wp--preset--aspect-ratio--square:1;--wp--preset--aspect-ratio--4-3:4/3;--wp--preset--aspect-ratio--3-4:3/4;--wp--preset--aspect-ratio--3-2:3/2;--wp--preset--aspect-ratio--2-3:2/3;--wp--preset--aspect-ratio--16-9:16/9;--wp--preset--aspect-ratio--9-16:9/16;--wp--preset--color--black:#000;--wp--preset--color--cyan-bluish-gray:#abb8c3;--wp--preset--color--white:#fff;--wp--preset--color--pale-pink:#f78da7;--wp--preset--color--vivid-red:#cf2e2e;--wp--preset--color--luminous-vivid-orange:#ff6900;--wp--preset--color--luminous-vivid-amber:#fcb900;--wp--preset--color--light-green-cyan:#7bdcb5;--wp--preset--color--vivid-green-cyan:#00d084;--wp--preset--color--pale-cyan-blue:#8ed1fc;--wp--preset--color--vivid-cyan-blue:#0693e3;--wp--preset--color--vivid-purple:#9b51e0;--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple:linear-gradient(135deg,rgba(6,147,227,1) 0%,#9b51e0 100%);--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan:linear-gradient(135deg,#7adcb4 0%,#00d082 100%);--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange:linear-gradient(135deg,rgba(252,185,0,1) 0%,rgba(255,105,0,1) 100%);--wp--preset--gradient--luminous-vivid-orange-to-vivid-red:linear-gradient(135deg,rgba(255,105,0,1) 0%,#cf2e2e 100%);--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray:linear-gradient(135deg,#eee 0%,#a9b8c3 100%);--wp--preset--gradient--cool-to-warm-spectrum:linear-gradient(135deg,#4aeadc 0%,#9778d1 20%,#cf2aba 40%,#ee2c82 60%,#fb6962 80%,#fef84c 100%);--wp--preset--gradient--blush-light-purple:linear-gradient(135deg,#ffceec 0%,#9896f0 100%);--wp--preset--gradient--blush-bordeaux:linear-gradient(135deg,#fecda5 0%,#fe2d2d 50%,#6b003e 100%);--wp--preset--gradient--luminous-dusk:linear-gradient(135deg,#ffcb70 0%,#c751c0 50%,#4158d0 100%);--wp--preset--gradient--pale-ocean:linear-gradient(135deg,#fff5cb 0%,#b6e3d4 50%,#33a7b5 100%);--wp--preset--gradient--electric-grass:linear-gradient(135deg,#caf880 0%,#71ce7e 100%);--wp--preset--gradient--midnight:linear-gradient(135deg,#020381 0%,#2874fc 100%);--wp--preset--font-size--small:13px;--wp--preset--font-size--medium:20px;--wp--preset--font-size--large:36px;--wp--preset--font-size--x-large:42px;--wp--preset--spacing--20:.44rem;--wp--preset--spacing--30:.67rem;--wp--preset--spacing--40:1rem;--wp--preset--spacing--50:1.5rem;--wp--preset--spacing--60:2.25rem;--wp--preset--spacing--70:3.38rem;--wp--preset--spacing--80:5.06rem;--wp--preset--shadow--natural:6px 6px 9px rgba(0,0,0,.2);--wp--preset--shadow--deep:12px 12px 50px rgba(0,0,0,.4);--wp--preset--shadow--sharp:6px 6px 0px rgba(0,0,0,.2);--wp--preset--shadow--outlined:6px 6px 0px -3px rgba(255,255,255,1),6px 6px rgba(0,0,0,1);--wp--preset--shadow--crisp:6px 6px 0px rgba(0,0,0,1);}:where(.is-layout-flex){gap:.5em;}:where(.is-layout-grid){gap:.5em;}body .is-layout-flex{display:flex;}.is-layout-flex{flex-wrap:wrap;align-items:center;}.is-layout-flex > :is(*,div){margin:0;}body .is-layout-grid{display:grid;}.is-layout-grid > :is(*,div){margin:0;}:where(.wp-block-columns.is-layout-flex){gap:2em;}:where(.wp-block-columns.is-layout-grid){gap:2em;}:where(.wp-block-post-template.is-layout-flex){gap:1.25em;}:where(.wp-block-post-template.is-layout-grid){gap:1.25em;}.has-black-color{color:var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-color{color:var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-color{color:var(--wp--preset--color--white) !important;}.has-pale-pink-color{color:var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-color{color:var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-color{color:var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-color{color:var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-color{color:var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-color{color:var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-color{color:var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-color{color:var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-color{color:var(--wp--preset--color--vivid-purple) !important;}.has-black-background-color{background-color:var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-background-color{background-color:var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-background-color{background-color:var(--wp--preset--color--white) !important;}.has-pale-pink-background-color{background-color:var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-background-color{background-color:var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-background-color{background-color:var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-background-color{background-color:var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-background-color{background-color:var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-background-color{background-color:var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-background-color{background-color:var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-background-color{background-color:var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-background-color{background-color:var(--wp--preset--color--vivid-purple) !important;}.has-black-border-color{border-color:var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-border-color{border-color:var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-border-color{border-color:var(--wp--preset--color--white) !important;}.has-pale-pink-border-color{border-color:var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-border-color{border-color:var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-border-color{border-color:var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-border-color{border-color:var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-border-color{border-color:var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-border-color{border-color:var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-border-color{border-color:var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-border-color{border-color:var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-border-color{border-color:var(--wp--preset--color--vivid-purple) !important;}.has-vivid-cyan-blue-to-vivid-purple-gradient-background{background:var(--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple) !important;}.has-light-green-cyan-to-vivid-green-cyan-gradient-background{background:var(--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan) !important;}.has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange) !important;}.has-luminous-vivid-orange-to-vivid-red-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-orange-to-vivid-red) !important;}.has-very-light-gray-to-cyan-bluish-gray-gradient-background{background:var(--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray) !important;}.has-cool-to-warm-spectrum-gradient-background{background:var(--wp--preset--gradient--cool-to-warm-spectrum) !important;}.has-blush-light-purple-gradient-background{background:var(--wp--preset--gradient--blush-light-purple) !important;}.has-blush-bordeaux-gradient-background{background:var(--wp--preset--gradient--blush-bordeaux) !important;}.has-luminous-dusk-gradient-background{background:var(--wp--preset--gradient--luminous-dusk) !important;}.has-pale-ocean-gradient-background{background:var(--wp--preset--gradient--pale-ocean) !important;}.has-electric-grass-gradient-background{background:var(--wp--preset--gradient--electric-grass) !important;}.has-midnight-gradient-background{background:var(--wp--preset--gradient--midnight) !important;}.has-small-font-size{font-size:var(--wp--preset--font-size--small) !important;}.has-medium-font-size{font-size:var(--wp--preset--font-size--medium) !important;}.has-large-font-size{font-size:var(--wp--preset--font-size--large) !important;}.has-x-large-font-size{font-size:var(--wp--preset--font-size--x-large) !important;}:where(.wp-block-post-template.is-layout-flex){gap:1.25em;}:where(.wp-block-post-template.is-layout-grid){gap:1.25em;}:where(.wp-block-columns.is-layout-flex){gap:2em;}:where(.wp-block-columns.is-layout-grid){gap:2em;}:root :where(.wp-block-pullquote){font-size:1.5em;line-height:1.6;}body{background-color:#f1f5f9;color:#3a3a3a;}a{color:#1e73be;}a:hover,a:focus,a:active{color:#000;}body .grid-container{max-width:1100px;}.wp-block-group__inner-container{max-width:1100px;margin-left:auto;margin-right:auto;}.site-header .header-image{width:50px;}body,button,input,select,textarea{font-family:"Source Sans Pro",sans-serif;font-size:18px;}body{line-height:1.5;}.entry-content > [class*="wp-block-"]:not(:last-child){margin-bottom:1.5em;}.main-title{font-size:20px;}.main-navigation .main-nav ul ul li a{font-size:14px;}.sidebar .widget,.footer-widgets .widget{font-size:17px;}h1{font-weight:300;font-size:40px;}h2{font-weight:300;font-size:30px;}h3{font-size:20px;}h4{font-size:inherit;}h5{font-size:inherit;}@media (max-width:768px){.main-title{font-size:30px;}h1{font-size:30px;}h2{font-size:25px;}}.top-bar{background-color:#636363;color:#fff;}.top-bar a{color:#fff;}.top-bar a:hover{color:#303030;}.site-header{background-color:#fff;color:#3a3a3a;}.site-header a{color:#3a3a3a;}.main-title a,.main-title a:hover{color:#222;}.site-description{color:#757575;}.main-navigation,.main-navigation ul ul{background-color:#4f90f2;}.main-navigation .main-nav ul li a,.menu-toggle,.main-navigation .menu-bar-items{color:#fff;}.main-navigation .main-nav ul li:hover > a,.main-navigation .main-nav ul li:focus > a,.main-navigation .main-nav ul li.sfHover > a,.main-navigation .menu-bar-item:hover > a,.main-navigation .menu-bar-item.sfHover > a{color:#fff;background-color:#3580f2;}button.menu-toggle:hover,button.menu-toggle:focus,.main-navigation .mobile-bar-items a,.main-navigation .mobile-bar-items a:hover,.main-navigation .mobile-bar-items a:focus{color:#fff;}.main-navigation .main-nav ul li[class*="current-menu-"] > a{color:#fff;background-color:#3580f2;}.main-navigation .main-nav ul li[class*="current-menu-"] > a:hover,.main-navigation .main-nav ul li[class*="current-menu-"].sfHover > a{color:#fff;background-color:#3580f2;}.navigation-search input[type="search"],.navigation-search input[type="search"]:active,.navigation-search input[type="search"]:focus,.main-navigation .main-nav ul li.search-item.active > a,.main-navigation .menu-bar-items .search-item.active > a{color:#fff;background-color:#3580f2;}.main-navigation ul ul{background-color:#fff;}.main-navigation .main-nav ul ul li a{color:#222;}.main-navigation .main-nav ul ul li:hover > a,.main-navigation .main-nav ul ul li:focus > a,.main-navigation .main-nav ul ul li.sfHover > a{color:#fff;background-color:#4f90f2;}.main-navigation .main-nav ul ul li[class*="current-menu-"] > a{color:#fff;background-color:#3580f2;}.main-navigation .main-nav ul ul li[class*="current-menu-"] > a:hover,.main-navigation .main-nav ul ul li[class*="current-menu-"].sfHover > a{color:#fff;background-color:#3580f2;}.separate-containers .inside-article,.separate-containers .comments-area,.separate-containers .page-header,.one-container .container,.separate-containers .paging-navigation,.inside-page-header{background-color:#fff;}.entry-meta{color:#595959;}.entry-meta a{color:#595959;}.entry-meta a:hover{color:#1e73be;}.sidebar .widget{background-color:#fff;}.sidebar .widget .widget-title{color:#000;}.footer-widgets{background-color:#fff;}.footer-widgets .widget-title{color:#000;}.site-info{color:#613d0e;background-color:#efa647;}.site-info a{color:#613d0e;}.site-info a:hover{color:#0a0100;}.footer-bar .widget_nav_menu .current-menu-item a{color:#0a0100;}input[type="text"],input[type="email"],input[type="url"],input[type="password"],input[type="search"],input[type="tel"],input[type="number"],textarea,select{color:#666;background-color:#fafafa;border-color:#ccc;}input[type="text"]:focus,input[type="email"]:focus,input[type="url"]:focus,input[type="password"]:focus,input[type="search"]:focus,input[type="tel"]:focus,input[type="number"]:focus,textarea:focus,select:focus{color:#666;background-color:#fff;border-color:#bfbfbf;}button,html input[type="button"],input[type="reset"],input[type="submit"],a.button,a.wp-block-button__link:not(.has-background){color:#fff;background-color:#4e90f2;}button:hover,html input[type="button"]:hover,input[type="reset"]:hover,input[type="submit"]:hover,a.button:hover,button:focus,html input[type="button"]:focus,input[type="reset"]:focus,input[type="submit"]:focus,a.button:focus,a.wp-block-button__link:not(.has-background):active,a.wp-block-button__link:not(.has-background):focus,a.wp-block-button__link:not(.has-background):hover{color:#fff;background-color:#3580f2;}a.generate-back-to-top{background-color:rgba(0,0,0,.4);color:#fff;}a.generate-back-to-top:hover,a.generate-back-to-top:focus{background-color:rgba(0,0,0,.6);color:#fff;}@media (max-width: 768px){.main-navigation .menu-bar-item:hover > a,.main-navigation .menu-bar-item.sfHover > a{background:none;color:#fff;}}.inside-top-bar{padding:10px;}.inside-header{padding:10px;}.entry-content .alignwide,body:not(.no-sidebar) .entry-content .alignfull{margin-left:-40px;width:calc(100% + 80px);max-width:calc(100% + 80px);}.rtl .menu-item-has-children .dropdown-menu-toggle{padding-left:20px;}.rtl .main-navigation .main-nav ul li.menu-item-has-children > a{padding-right:20px;}.site-info{padding:20px;}@media (max-width:768px){.separate-containers .inside-article,.separate-containers .comments-area,.separate-containers .page-header,.separate-containers .paging-navigation,.one-container .site-content,.inside-page-header,.wp-block-group__inner-container{padding:30px;}.site-info{padding-right:10px;padding-left:10px;}.entry-content .alignwide,body:not(.no-sidebar) .entry-content .alignfull{margin-left:-30px;width:calc(100% + 60px);max-width:calc(100% + 60px);}}.one-container .sidebar .widget{padding:0px;}@media (max-width: 768px){.main-navigation .menu-toggle,.main-navigation .mobile-bar-items,.sidebar-nav-mobile:not(#sticky-placeholder){display:block;}.main-navigation ul,.gen-sidebar-nav{display:none;}[class*="nav-float-"] .site-header .inside-header > *{float:none;clear:both;}}.dynamic-author-image-rounded{border-radius:100%;}.dynamic-featured-image,.dynamic-author-image{vertical-align:middle;}.one-container.blog .dynamic-content-template:not(:last-child),.one-container.archive .dynamic-content-template:not(:last-child){padding-bottom:0px;}.dynamic-entry-excerpt > p:last-child{margin-bottom:0px;}body.modal-open #wpadminbar{z-index:999;}.embed-responsive-16by9 .fluid-width-video-wrapper{padding:0 !important;position:initial;}.secondary-navigation{background-color:#fff;}.secondary-navigation .main-nav ul li a,.secondary-navigation .menu-toggle,.secondary-menu-bar-items .menu-bar-item > a{color:#3a3a3a;font-size:16px;line-height:44px;}.secondary-navigation .secondary-menu-bar-items{color:#3a3a3a;font-size:16px;}button.secondary-menu-toggle:hover,button.secondary-menu-toggle:focus{color:#3a3a3a;}.widget-area .secondary-navigation{margin-bottom:20px;}.secondary-navigation ul ul{background-color:#fff;top:auto;}.secondary-navigation .main-nav ul ul li a{color:#3a3a3a;font-size:15px;}.secondary-navigation .main-nav ul li:not([class*="current-menu-"]):hover > a,.secondary-navigation .main-nav ul li:not([class*="current-menu-"]):focus > a,.secondary-navigation .main-nav ul li.sfHover:not([class*="current-menu-"]) > a,.secondary-menu-bar-items .menu-bar-item:hover > a{color:#1e73be;background-color:#fff;}.secondary-navigation .main-nav ul ul li:not([class*="current-menu-"]):hover > a,.secondary-navigation .main-nav ul ul li:not([class*="current-menu-"]):focus > a,.secondary-navigation .main-nav ul ul li.sfHover:not([class*="current-menu-"]) > a{color:#fff;background-color:#1e73be;}.secondary-navigation .main-nav ul li[class*="current-menu-"] > a{color:#1e73be;background-color:#fff;}.secondary-navigation .main-nav ul ul li[class*="current-menu-"] > a{color:#fff;background-color:#1e73be;}@media (max-width: 768px){.secondary-menu-bar-items .menu-bar-item:hover > a{background:none;color:#3a3a3a;}}:root{--tcb-background-author-image:url("https://cdn-ilcffnh.nitrocdn.com/DVKboHyfbHExUdSsZwGLQZVyAFkHRoMi/assets/desktop/optimized/rev-99a0723/secure.gravatar.com/avatar/d7dd8b697a585abde61258ee22607417.eee9ce7f002310cda70d7801d9ebcbd6");--tcb-background-user-image:url("");--tcb-background-featured-image-thumbnail:url("https://cdn-ilcffnh.nitrocdn.com/DVKboHyfbHExUdSsZwGLQZVyAFkHRoMi/assets/images/optimized/rev-99a0723/teachcomputerscience.com/wp-content/plugins/thrive-visual-editor/editor/css/images/featured_image.png");}.getpaid-price-buttons label{transition:all .3s ease-out;text-align:center;padding:10px 20px;background-color:#eee;border:1px solid #e0e0e0;}.getpaid-price-circles label{padding:0 4px;-moz-border-radius:50%;-webkit-border-radius:50%;border-radius:50%;}.getpaid-price-circles label span{display:block;padding:50%;margin:-3em -50% 0;position:relative;top:1.5em;border:1em solid transparent;white-space:nowrap;}.getpaid-price-buttons input[type="radio"]{visibility:hidden;height:0;width:0 !important;}.getpaid-price-buttons input[type="radio"]:checked + label,.getpaid-price-buttons label:hover{color:#fff;background-color:#1e73be;border-color:#1e73be;}.getpaid-public-items-archive-single-item .inner{box-shadow:0 1px 3px rgba(0,0,0,.12),0 1px 2px rgba(0,0,0,.24);}.getpaid-public-items-archive-single-item:hover .inner{box-shadow:0 1px 4px rgba(0,0,0,.15),0 1px 3px rgba(0,0,0,.3);}.wp-block-getpaid-public-items-getpaid-public-items-loop .item-name{font-size:1.3rem;}.getpaid-subscription-item-actions{color:#ddd;font-size:13px;padding:2px 0 0;position:relative;left:-9999em;}.getpaid-subscriptions-table-row:hover .getpaid-subscription-item-actions{position:static;}.getpaid-subscriptions table{font-size:.9em;table-layout:fixed;}.getpaid-subscriptions-table-column-subscription{font-weight:500;}.getpaid-subscriptions-table-row span.label{font-weight:500;}.getpaid-subscriptions.bsui .table-bordered thead th{border-bottom-width:1px;}.getpaid-subscriptions.bsui .table-striped tbody tr:nth-of-type(odd){background-color:rgba(0,0,0,.01);}.wpinv-page .bsui a.btn{text-decoration:none;margin-right:2px;margin-bottom:2px;}.getpaid-cc-card-inner{max-width:460px;}.getpaid-payment-modal-close{position:absolute;top:0;right:0;z-index:200;}.getpaid-form-cart-item-price{min-width:120px !important;}#primary .getpaid-payment-form p{float:none !important;}.bsui .is-invalid ~ .invalid-feedback,.bsui .is-invalid ~ .invalid-tooltip{display:block;}.bsui .is-invalid{border-color:#dc3545 !important;}.getpaid-file-upload-element{height:200px;border:3px dashed #dee2e6;cursor:pointer;}.getpaid-file-upload-element:hover{border:3px dashed #424242;}.getpaid-file-upload-element.getpaid-trying-to-drop{border:3px dashed #8bc34a;background:#f1f8e9;}img#wpstats{display:none;}.widget ul li{list-style-type:initial;}.main-title{font-weight:600;text-transform:uppercase;}.main-title a{color:#333;}.hero{padding:2rem;text-align:center;background-color:white;background-image:url("https://cdn-ilcffnh.nitrocdn.com/DVKboHyfbHExUdSsZwGLQZVyAFkHRoMi/assets/images/source/rev-99a0723/teachcomputerscience.com/wp-content/uploads/2019/06/circuit.svg");}.hero.nitro-lazy{background-image:none !important;}.hero .container{max-width:800px;background:white;border:1px solid #f4f4f4;padding:1em;}.hero h1{font-weight:bold;}.hero h2{font-size:24px;font-weight:400;}.hero .button{margin-top:2rem;}.button{display:inline-block;}.callout{background:#efa647;color:#613d0e;padding:2rem;text-align:center;font-size:1.3rem;}.wp-block-column .ionicons,.wp-block-column i,.wp-block-column h3,.wp-block-column p{text-align:center;display:block;}.wp-block-column h3{font-weight:600;}.wp-block-column .icon{font-size:2rem;display:inline-block;background:#eee;color:white;color:#033d96;border-radius:100%;height:60px;width:60px;vertical-align:middle;}.wp-block-column .icon:before{display:block;height:60px;width:60px;vertical-align:middle;line-height:1.85;}.narrow #page{max-width:700px;}.slim #page{max-width:960px;}.rcp_form input{width:100%;}.rcp_form input[type="radio"],.rcp_form input[type="checkbox"]{width:auto;}#pricing{padding-top:3rem;text-align:center;}#pricing h3{font-size:1.8em;}#pricing ul{list-style-type:none;margin:0;}#pricing ul > li{border-bottom:1px solid #f5f5f5;padding:1rem 0;}#pricing .price{font-size:3em;text-align:center;margin-bottom:0;font-weight:600;}#pricing .price span{font-size:.3em;color:#777;line-height:1.2;}#pricing .highlighted{position:relative;border:2px solid #27ae60;}#pricing .highlighted h2,#pricing .highlighted h3{color:#27ae60;font-weight:bold;}#pricing .highlighted .button{background:#27ae60;}#pricing .highlighted .button:hover{background:#179e4f;}#pricing .billed-at{color:#777;margin-bottom:.875em !important;}#pricing .value-text{position:absolute;left:0;right:0;bottom:100%;display:block;background:#27ae60;margin-left:-2px;margin-right:-2px;color:#fff;padding:1rem;}.flex-container{display:flex;flex-wrap:nowrap;}.flex-container .inside-article{float:none;margin:0 .3rem;}.flex-container .footer{margin-top:2rem;margin-left:-2rem;margin-right:-2rem;}.membership #page,.membership .flex-container{max-width:1200px;}.one-third-two-thirds .wp-block-column{padding:2rem;text-align:left;}.one-third-two-thirds .wp-block-column:nth-of-type(1){background:#efa647;color:#613d0e;text-align:center;}.one-third-two-thirds .wp-block-column:nth-of-type(1) p{font-size:1.3rem;}.one-third-two-thirds .wp-block-column:nth-of-type(1) ul{text-align:left;font-size:1.3rem;}@media (max-width: 1024px){.flex-container{flex-wrap:wrap;}.flex-container .inside-article{margin-top:.5rem;}.flex-container .premium{margin-top:4rem;}.flex-container .tablet-grid-25{max-width:100%;flex-basis:100%;}}.module-blocks .wp-block-column{position:relative;padding:1rem;border:1px solid #eee;text-align:center;}.module-blocks .wp-block-column figure{text-align:center;}.module-blocks .wp-block-column figure img{width:150px;}.module-blocks .wp-block-column ul{text-align:left;flex-grow:1;display:block;}.module-blocks .wp-block-column .button{margin-bottom:1em;}.sample .wp-block-column:nth-of-type(1){position:relative;}.sample .wp-block-column:nth-of-type(1):before{display:inline-block;content:"Free sample available";position:absolute;top:0;right:0;padding:3px 10px;background:#f7f0ea;color:#613d0e;}.popup-box{border-color:#efa647;}.popup-box h3{background:#efa647;color:#613d0e;}.upsell{margin-top:1em;border:2px solid #00a32a;background-color:#fafdfb;}button,html input[type="button"],input[type="reset"],input[type="submit"],a.button,a.button:visited,a.wp-block-button__link:not(.has-background){border-radius:.3em;padding:.8em 1.8em;margin-bottom:5px;}.breadcrumbs{padding:10px;margin-bottom:-20px;}.breadcrumbs p{margin-bottom:0;}.wp-block-button{padding-top:0;}.notice{padding:1em;text-align:center;background:#4e90f2;color:white;}.upsell-block{display:none;}.black-friday-membership .inside-article{background-color:transparent;}.black-friday-membership .black-friday-pricing .price{margin-bottom:0;}.black-friday-membership .black-friday-pricing .gb-inside-container{min-height:665px;}.price em{font-size:.5em;color:#777;line-height:1.2;}.hello-bar{text-align:center !important;padding:20px !important;background-color:#1e1f6b !important;color:white !important;font-size:19px;}.hello-bar a{color:white;text-decoration:underline;}.eqb_quiz{margin-bottom:1em;}.wpc-button-complete:hover{background-color:#008a20 !important;opacity:1 !important;}.course .inside-article{border:none;}.wpc-progress-bar{margin-bottom:20px;}.wpc-bar-progress .wpc-numbers span{font-weight:normal;}.wpc-progress-fill{margin:5px;}.simple-wpc-progress-bar .wpc-progress-fill{margin:0;height:5px;}.simple-wpc-progress-bar .wpc-numbers{display:none;}.wpc-progress-fill{margin-left:0;}.offline-download a.button.member-download{border-radius:0 !important;background-color:#646970;padding:.6em 1em;}html{font-size:16px;}.wp-container-core-columns-is-layout-1{flex-wrap:nowrap;}.wp-container-core-columns-is-layout-2{flex-wrap:nowrap;}.wp-container-core-columns-is-layout-3{flex-wrap:nowrap;}.wp-container-core-columns-is-layout-4{flex-wrap:nowrap;}