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In computer science, self-modifying code is code that alters its own instructions while it is executing. Getting code that overwrites itself can seem dubious, rather risky and hence unrecommended. However in some cases, it is a technique that can be…
Drone displays/light shows are performed by synchronized and choreographed collections of drones that position themselves to recreate various aerial formations. Each drone is equipped with LED lights that can change colour during the display. The first drone display was presented…
Take the Quiz! (open full screen) Can you recognise the different types of cables used in IT? Do you know what are the main wireless technologies used to connect IT equipment? Take the quiz to check your knowledge of wired…
LED Dice Our aim is to create an LED Dice using a breadboard and 7 LEDs disposed as follows: We will then use three buttons/switches to control the 7 LEDs of the dice to recreate the following patterns: Octal Number…
In this challenge we will create an interactive stopwatch using HTML, CSS and JavaScript. The aim of this blog post is to use Object Oriented Programming to create our own Stopwatch class. Step 1: Stopwatch Class and its constructor First…
In this challenge we will create a one-player game of poker based on the rules of Texas Hold’em Poker. In a game of Texas Hold’em Poker, for each round, five “community cards” are dealt face-up on the “board”. Each player…
In this post we will investigate how to implement a queue and a stack data structure using low-level programming. We will use an upgraded version of Little Man Computer (LMC) that supports indirect addressing to to do. Implementing a Queue…
For the purpose of this challenge we will use algebraic pyramids pointing downwards (or upside down pyramids!). The idea of this mathematical puzzle is to fill in all the bricks of a pyramid based on the following rule: To work…
The aim of this Python Challenge is to write a script to validate an arithmetic expression by checking that it has a valid sequence of opening and closing brackets. Let’s consider the following arithmetic expressions to decide whether they contain…
A proportion is simply a statement that two ratios are equal. The following are examples of proportions: 1/4 = 25/100 8/24 = 1/3 40/60 = 2/3 Proportions are often use in Maths to simplify a fraction or to represent a…
LMC Simulator
Logic Gates Circuits
Network Designer
Flowchart Studio
Online Python IDE