Author: Administrator

Comparison Operators using Logic Gates

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

This set of challenges is designed to be completed with a logic board such as the Logic & Arithmetic board designed by the University of Southampton and the UK Electronic Skills Foundation. Alternatively, if you do not have access to…

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Logic Gates Circuits

Posted on by Administrator Posted in Computer Hardware, Computer Science, Computing Concepts, GCSE Concepts, GCSE Quiz, Physical Computing

This set of challenges is designed to be completed with a logic board such as the Logic & Arithmetic board designed by the University of Southampton and the UK Electronic Skills Foundation. Alternatively, if you do not have access to…

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Performance Modelling & Data Visualisation – Q&A

Posted on by Administrator Posted in A Level Concepts, A Level Quiz, Computer Science, Computing Concepts, Question & Answer, Solved Challenges
Question 1[2 marks] A small town wants to improve the traffic within the town centre at peak time. They are considering using a synchronised traffic lights system to fluidify the traffic. But before replacing all existing traffic lights and installing…
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Recursive vs. Iterative Algorithm – Q&A

Posted on by Administrator Posted in A Level Concepts, A Level Quiz, Computer Science, Computing Concepts, Question & Answer, Solved Challenges
Question 1[2 marks] For this question, we are looking at an algorithm used to implement the divisibility rule for 3 which states that: A number is divisible by 3 if the sum of all its digits is divisible by 3.…
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File Size Calculations – Q&A

Posted on by Administrator Posted in Computer Science, Computing Concepts, GCSE Concepts, GCSE Quiz, Question & Answer, Solved Challenges

Question 1[3 marks] How many of the above text files can we store on a 1.44MB floppy disk? Each text file contains 6,000 characters and is encoded using ASCII: 8 bits per character. ✔ ✘ ↻ A Question 2[3 marks]…

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OOP – Inheritance – Q&A

Posted on by Administrator Posted in A Level Concepts, A Level Quiz, Computer Science, Computing Concepts, OOP Concepts, Question & Answer, Solved Challenges

Question 1[2 marks] Class File:​ private filename​ //Constructor for the File class procedure new(strFilename):​ filename = strFilename​ public procedure rename(strFilename)​ if strfilename!="":​ filename = strFilename​ Class MP3 inherits File:​ private title​ private artist​ private duration​ //Constructor for the MP3 class…

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OOP – Encapsulation – Q&A

Posted on by Administrator Posted in A Level Concepts, A Level Quiz, Computer Science, Computing Concepts, OOP Concepts, Question & Answer, Solved Challenges
Question 1[2 marks] class Padlock: private key private locked //Constructor for the Padlock class: procedure new(str_key,bool_locked): key = str_key locked = bool_locked public function unlock(combination): if combination==key: locked = False return True else: return False public procedure lock(): locked =…
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Maths Puzzles…

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

The aim of this challenge is to write a few algorithms to solve the following Maths puzzles: In order to solve these puzzles, we will use an iterative approach using nested loops to test all possible combinations of two numbers…

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Brunel’s Engineering Algorithms

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

Isambard Kingdom Brunel (1806-1859) was an English civil engineer who is considered one of the greatest figures of the Industrial Revolution. Brunel achieved many engineering firsts thanks to his hard-work, his engineering knowledge, his innovative mind and his renowned problem…

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The Climbing Stairs Puzzle

Posted on by Administrator Posted in A Level Concepts, Computer Science, Computing Concepts, Python - Advanced, Python Challenges, Solved Challenges

Imagine a staircase with n steps. As you are climbing up this staircase, you either climb one or two steps at a time. The aim of this computing puzzle is to find out, using an algorithm, in how many distinct…

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