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Drawing flags using Python Turtle
In this challenge we will use Python Turtle to draw a range of flags on screen. First, you will need to investigate the code used to create three different flags: France Sweden Czech Republic To understand these code snippets you…
Boolean Algebra using Logic Gates
Boolean Algebra is used to simplify long/complex Boolean expressions. It is needed to optimise the use of logics gates (and hence transistors) when making an electronic circuit. Considering that the CPU is made of billions of logic gates, it is…
Logic Gates Challenges
For this set of challenges, your task is to design logic gates circuits in order to produce the desired output for the given inputs as described in each challenge. You can combine as many logic gates as necessary using the…
Digital Padlock using Logic Gates
In this post we are going to use logic gates and D-Type Flip-Flop circuits to create a 3-bit digital padlock with a stored combination that can be reset. Let’s first investigate how we are going to store the 3-bit combination…
Design your own Logic Gates Circuits
In this blog post your will use our logic gates circuits simulator to create and test your own circuits. Circuit #1 Our first circuit will be based on the following Boolean Expression: Click on the above circuit to open it…
GCSE Computer Science Revision
Getting ready for your GCSE Computer Science exams? Test our knowledge by answering all the following questions:
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…
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