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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1.1 Contemporary processors, input, output and storage devices 1.2 Software and software development 1.3 Exchanging data 1.4 Data types, data structures and algorithms 1.5 Legal, moral, cultural and ethical issues2.1 Elements of computational thinking 2.2 Problem solving and programming 2.3 Algorithms
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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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