Author: Administrator

Daily Protocolometer

In this post, we are investigating our daily use of the main protocols used when accessing the Internet while using our smartphone, laptop or desktop computer, tablet, smartTV or game console. Protocols are an essential concept to enable network communications

Hair & Beauty Salon – Entity Relationship Diagram (ERD)

“Stylish” is a Hair & Beauty Salon offering a wide range of hair & beauty treatments to customers. They currently employ five hair stylists and three beauticians. They currently use a notebook to record all their information such as customer

Creating Logic Gates using Transistors

As you know, computers can only process binary data which consists of 0’s and 1’s. This is due to the fact that the main processing components (e.g. the CPU) are made of transistors: tiny electronic switches that can be turned

The Lost Roman Sundial

Roman Britain was a period of nearly 400 years between AD 43 to AD 410 when large parts of Great Britain were under occupation by the Roman Empire. During this period, the Romans built roads and architectural structures that can

Art Expo – Code Breaking Challenge

The most prestigious art exhibition is about to start at Tate Modern, London, UK. For the purpose of this exhibition, paintings from all over the world have been securely transported to London using a state of the art protection system

Understanding Binary Data

01101001 0 and 255 65,535 binary data 8 bits bits odd least significant text files transistor 511 even Byte most significant The key electronic component that you will find in any computer system is called a . The CPU of

Work Life Balance (HTML, CSS & JS Challenge)

When your browser displays a webpage on screen it uses 3 different programming languages called HTML, CSS and JavaScript. We call the combination of these three languages “client-side web technologies”. Each of the three language has its own syntax and

The Birthday Paradox

The birthday paradox is based on a counter-intuitive fact that in any class of 23 students or more, there is a higher probability of having at least two students sharing the same bithday. Considering that there are 366 different possible

Elastic Collision in a Pool Game

A range of video games use elastic collision formulas to predict the change of velocity of two objects when a collision occurs. Elastic collision occurs when two objects are colliding and the total kinetic energy of the two objects remains

The Monty Hall Problem

The Monty Hall problem is a counter-intuitive brain teaser based on probabilities. This puzzle is named after Monty Hall, the TV presenter of “Let’s Make a Deal”, an American TV show (known as “Deal or No Deal” in the UK)