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Author: Administrator

UPC Barcode & Check Digit Calculation

Posted on by Administrator Posted in Computer Science, GCSE Concepts, Python - Intermediate, Python Challenges, Solved Challenges

A barcode is an optical, representation of data that can easily be scanned by a barcode reader. A barcode is used to store a number such as the product code of a product for sale in a shop, or the…

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My Login Script

Posted on by Administrator Posted in Computer Science, Python - Intermediate, Python Challenges, Solved Challenges

A lot of computer systems rely on the need for the user to login using a username and password. This form of authentication is used to uniquely identify a user and give them access to the relevant information on the…

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Question Time – Relational Databases

Posted on by Administrator Posted in A Level Concepts, A Level Quiz, Computer Science, Computing Concepts, Database Concepts, Quizzes

– Online Database – – SQL Activities – Feeling confident with your computing knowledge of Relational Databases? Spend a few minutes to answer or research the following questions: ? What are tables used for in a relational database? ? How…

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BBC micro:bit – Automated Car Park Display

Posted on by Administrator Posted in BBC micro:bit, Block Programming, Computer Science, Physical Computing, Solved Challenges

Our aim is to use the BBC micro:bit to create an automated Car Park Display to inform drivers of the number of empty spaces left in a car park. Our system should: Be initialised with the number of available spaces…

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Caesar Cipher

Posted on by Administrator Posted in Computer Science, Cryptography, Python - Intermediate, Python Challenges, Solved Challenges

In cryptography, a Caesar cipher, also known as shift cipher, is one of the simplest and most widely known encryption techniques. It is a type of substitution cipher in which each letter in the plaintext is replaced by a letter…

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Access Rights using Binary Masks

Posted on by Administrator Posted in A Level Concepts, A Level Quiz, Computer Science, Computing Concepts, GCSE Concepts, GCSE Quiz

Imagine a building with 8 rooms. Each room is fitted with a card reader used to give access or not to different members of staff. Each member of staff has a card giving them access to some of the rooms.…

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Responsive Website Layout

Posted on by Administrator Posted in Computer Science, HTML, CSS & JavaScript

When designing a website, you have to consider the different sizes of screens of your internet users. These may access your website using a computer (desktop/laptop), a tablet, a smartphone, a smart TV… A responsive website is a website where…

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Using Google Fonts

Posted on by Administrator Posted in Computer Science, HTML, CSS & JavaScript

When formatting text on a webpage, you will more likely want to use different types of fonts. You may be tempted to use fonts that are installed on your own computers. However, you need to be careful as there is…

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Resistor in Series and Parallel

Posted on by Administrator Posted in Computer Science, Python - Beginner, Python Challenges, Solved Challenges

In this blog post we will create a Python program that will help us calculate the total resistance when two resistors are connected either in series or in parallel. This program will be based on the following formulae: Program Flowchart…

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CSS Snowman

Posted on by Administrator Posted in Computer Science, HTML, CSS & JavaScript, Solved Challenges

Complete the following snowman using HTML and CSS code. You can edit this code in a new window using this button: Add a Message Add a “Merry Christmas” message above or below your snowman. And use CSS and google fonts…

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