What is BCD code? In computing and electronic systems, binary-coded decimal (BCD) is used to encode decimal numbers (base-10 numbers) in a binary form where each decimal digit is represented by a nibble (4 bits). For instance decimal number 5…
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BBC micro:bit Counter using a 7-Segment Display
The aim of this challenge is to create a countdown timer, controlled by a BBC micro:bit that will display the numbers on a screen using a 7-segment display. A lot of electronic devices use this approach to display numbers on…
Logic Gates Tester Kit
The purpose of this challenge is to create an electronic circuit used to test and identify logic gates integrated circuits. Logic gates are built as integrated circuits (also referred to as chips, or microchips). An integrated circuit is a set…
Sliding Puzzle
The aim of this challenge is to use HTML, CSS and Javascript to create an interactive sliding puzzle. Step 1: Creating 9 tiles from a single picture, using CSS Our aim is the use a single picture file called flower.png…
Guitar Chords Reader
The idea of this python challenge is to write a python program to help guitar players learn and practise new songs. Our program will read all the chords used in a song and display and animate a visual representation/chart of…
Text Based Animations
In this challenge we will use Python code to create text-based (ASCII) animations. Each of these animations is using a main loop that repeats the given code every 0.2 seconds and clear the screen between two iterations (frames). Check our…
Splash Screen and Progress Bar
Adding a Splash Screen to your Python Projects A splash screen usually appears for a few seconds while a game or program is launching. It can contain basic information such as the name of the game and its version number.…
Football Results Tracker
You have been asked to create a program to keep track of the scores from the football Premier League. Your program will store match results in a text file using the following format: home team;away team;home score;away score; For instance,…
Page Rank Algorithm – Take the Quiz
Check your understanding of the page rank algorithm used by search engines such as Google to sort search results. To find out more about this algorithm, read this blog post first: Search Engine Indexing and Page Rank Algorithm Quiz #1…
Search Engine Indexing and Page Rank Algorithm
Search Engines Indexing Search engines like Google maintain huge databases called “indexes” of all the keywords and the web addresses of pages where these keywords appear. When a web designer creates a new website they can contact the search engine…
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