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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1.1 System Architecture 1.2 Memory and Storage 1.3 Computer networks 1.4 Network security 1.5 – Systems software 1.6 – Impacts of digital technology2.1 – Algorithms 2.2 – Programming fundamentals 2.3 – Producing robust programs 2.4 – Boolean logic 2.5 – Programming languages and IDEs
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OOP – Inheritance – Q&A
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…
OOP – Encapsulation – Q&A
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 =… Maths Puzzles…
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…
Brunel’s Engineering Algorithms
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…
The Climbing Stairs Puzzle
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…
French Cuisine – Entity Relationship Diagram (ERD)
French Cuisine is a 5-star restaurant serving a selection of carefully selected French recipes in a cosy atmosphere. Their menu is organised into 4 categories as follows: Starters, Main Meals, Deserts & Drinks. In the dining area, there are 21…
10/02/22 Computing Challenge
As this post was published on the 10th of February 2022 (10/02/22), we would like to use a Python algorithm to solve the following arithmetic puzzle: Let’s consider a string consisting of 10 characters “2”: string = “2222222222” This computing…
EasyFlights – Entity Relationship Diagram (ERD)
EasyFlights is an international airline company operating all over the world. As part of a total rollout of all their IT systems, they would like you to suggest the most suitable ERD to be used to design the relational database…
web2.0 – Entity Relationship Diagrams (ERD)
Have you ever created a website using HTML, CSS and JavaScript? These three languages are client-side languages which run on your computer through the web-browser and are used to create static websites. HTML is used to add content to a…
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