Getting ready for your A Level Computer Science exam? Test our knowledge by answering all the following questions:
Learning Zone ✕
Theory Concepts
Cryptography Computer Hardware Computer Networks Algorithms OOP Programming Binary Data Boolean Logic Database ConceptsInteractive Quizzes
View All QuizzesGCSE Computer Science (UK)
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
A-Level Computer Science (UK)
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
Coding Challenges ✕
Python Challenges
Online Python IDE Python Challenges - All Levels Python Challenges - Beginner Level Python Challenges - Intermediate Level Python Challenges - Advanced Level Python Turtle Challenges Solved Challenges Online Glowscript IDEHTML / CSS & JavaScript
HTML / CSS & JS Editor HTML / CSS & JS ChallengesLMC
LMC Challenges LMC SimulatorSQL
SQL ChallengesBlock Programming
BBC micro:bit Challenges Scratch ChallengesInteractive Coding Puzzles
Pirate Island Space Explorer Interactive Coding QuizzesOnline Interactive Tools ✕
Coding Tools
Online Python IDE HTML / CSS & JS Editor LMC Simulator Online Glowscript IDE Flowchart Sudio Trace Table 101 Dashboard Difference Engine Emulator Analytical Engine EmulatorDesign Tools
Network Designer Database ERD DesignerLogic Gates Circuits
Logic Gates Circuits Simulator Logic Gates Diagrams Binary Activities Karnaugh MapsMore results...
Member's Area ✕
Author: Administrator
Debugging and refining an algorithm – Q&A
Question 1[4 marks] Zara has created the following program in her computer science lesson. The aim of this program is to find out if the user is old enough to vote or not, the voting age being 18 years old.… Refining Algorithms – Q&A
Question 1[3 marks] Somjay has created the following program in his computer science lesson. The aim of this program is to generate and display five random “lucky” numbers every time this program is executed. Here is his Python code: print("Your… Discount Price Calculator – Q&A
Question 1[10 marks] Oksana has created the following program in her computer science lesson. The aim of this program is to calculate the price after discount of a list of products bought by a customer. Here is her Python code:… Mode Algorithm using a Hash Table
In this challenge we will compare two methods used to calculate the mode value of a list of numbers. In Maths, The mode is the value that appears most often in a set of data. For instance, considering the following…
Job Scheduling Algorithms – Q&A
Question 1[20 marks] One of the main purpose of the Operating System is to control the hardware and more specifically the CPU. The CPU performs all the jobs/processes requested by the different applications. A scheduler is a program of the… Disk Scheduling Algorithms
A hard drive is a magnetic storage device consisting of several disks (a.k.a. platters) where data is stored. Each disk is divided into many concentric circular tracks. Each track contains several sectors where data is stored. When the Operating System…
Information Board: Javascript Challenge
In this challenge we are creating an information board that displays key messages on a LED screen that consists of 4 rows of 20 characters. We have created the HTML, and CSS code to render the board on the screen…
The 4 Stages of the Compilation Process
The compilation process involves converting high-level source code into machine code that a computer can execute. It’s a multi-step process, and each stage plays an important role in ensuring that the code runs as expected. Here are the four main… Network Design – Drag & Drop
Can you identify some of the main hardware components that you will find in a small Client-Server Local Area Network? Before competing this activity, you may want to read more about network design concepts. Task 1: Network Design Drag and… 
LMC Simulator
Logic Gates Circuits
Network Designer
Flowchart Studio
Online Python IDE