14.1 Protocols 14.2 Circuit switching, packet switching

13.1 User-defined data types 13.2 File organisation and access 13.3 Floating-point numbers, representation and manipulation

2.1 Networks including the internet

1.1 Data Representation 1.2 Multimedia – Graphics, Sound 1.3 Compression

Binary and Hexadecimal numbers Exam for Year 9 and 10 with answer: You have three different set exams included in this assessment Please make sure you inform your students to revise the following topics: Convert Decimal number to binary Convert Binary to Decimal number Convert Decimal number to Hexadecimal Convert Hexadecimal to Decimal Convert Binary to Hexadecimal Convert Hexadecimal to Binary Add and subtract hexadecimal

Create a PowerPoint and a poster including the three parts above including the PC or laptop with the latest technology used on them such as hardware component (for example maximum storage devices HDD, CPU, RAM, Motherboard, ….etc), why some of the PCs or laptops are more expensive than others, what makes them so expensive in term of what ? What are the main Components of a Computer System? Gives and Example of Input and Output devises Gives an example of an Operating Systems After you create a PowerPoint and a poster, you should present and explain at the front of the class your project

Practical Exam for Year 10 and 11 ( Python programming /JavaScript and MySQL database) with answers

You need to create a PowerPoint about online E-Safety and describe the online danger that can damage your devices and your health There are others who use the internet for illegal and unsavoury purposes. There are several dangers that we might come across when online: Make you sure to open the E-Safety-1 PowerPoint presentation first before you attempt E-Safety-2 PowerPoint Presentation Attached an example for you to follow on e safety 1 and 2 and how to prevent from malware/phishing and cyber bullying

App Inventor is a free, cloud-based service that allows you to make your own mobile apps using a blocks-based programming language. You access App Inventor using a web browser (Chrome, Firefox, Safari). With these beginner-friendly tutorials, you will learn the basics of programming apps for Android and iOS phones and tablets. you can use it for year 7 and 8 Please click the link below to use the tutorial https://appinventor.mit.edu/explore/ai2/tutorials Click the link below to start Beginner Tutorials https://appinventor.mit.edu/explore/ai2/beginner-videos

IGCSE (CIE) Computer Science Revision for paper 21/22/23 Part B only with answers

Basic and intermediate JavaScript Tutorial for IGCSE and AS/Alevel with AS/A level questions and answers with practical projects

IGCSE (CIE) Computer Science Revision for paper 11/12/13 only with answers

Fetch-Execute cycle easy to understand The stages of the fetch execute cycle , including the use of registers and buses description

DatabaseStructured Query Language (SQL) What is SQL? SQL stands for Structured Query Language SQL lets you access and manipulate databases What Can SQL do? SQL can execute queries against a database SQL can retrieve data from a database SQL can insert records in a database SQL can update records in a database SQL can delete records from a database SQL can create new databases SQL can create new tables in a database SQL can create stored procedures in a database SQL can create views in a database SQL can set permissions on tables, procedures, and views Using SQL in Your Web Site To build a web site that shows data from a database, you will need: An RDBMS database program (i.e. MS Access, SQL Server, MySQL) To use a server-side scripting language, like PHP or ASP To use SQL to get the data you want To use HTML / CSS to style the page **What is RDBMS? ** RDBMS stands for Relational Database Management System. RDBMS is the basis for SQL, and for all modern database systems such as MS SQL Server, IBM DB2, Oracle, MySQL, and Microsoft Access. The data in RDBMS is stored in database objects called tables. A table is a collection of related data entries and it consists of columns and rows.

Learning Objectives: 12.1 Program Development Life cycle Show understanding of the purpose of a development life cycle Show understanding of the need for different development life cycles depending on the program being developed (Including, waterfall, iterative, rapid application development (RAD) Describe the principles, benefits and drawbacks of each type of life cycle Show understanding of the analysis, design, coding, testing and maintenance stages in the program development life cycle. 12.2 Program Design Use a structure chart to decompose a problem into sub-tasks and express the parameters passed between the various modules / procedures / functions which are part of the algorithm design Describe the purpose of a structure chart Construct a structure chart for a given problem Derive equivalent pseudocode from a structure chart. Show understanding of the purpose of state-transition diagrams to document an algorithm. 12.3 Program Testing and maintenance Show understanding of ways of exposing and avoiding faults in programs. Locate and identify the different types of errors: syntax errors logic errors run-time errors Correct identified errors Show understanding of the methods of testing available and select appropriate data for a given method (Including dry run, walkthrough, white-box, black-box, integration, alpha, beta, acceptance, stub) Show understanding of the need for a test strategy and test plan and their likely contents. Choose appropriate test data for a test plan (Including normal, abnormal and extreme/boundary) Show understanding of the need for continuing maintenance of a system and the differences between each type of maintenance (Including perfective, adaptive, corrective) Analyze an existing program and make amendments to enhance functionality

Revision for the IGCSE (CIE) computer science paper 22 May/June 2022 (part A and B) with pseudocode solution for part A Attached revision paper 2 for Part A and B Part A: Attached Pseudocode Solutuon for task 1/2/3 please help yourself Part B: Database , validation, data type and Selection and Repetition, Database: Trace Table Data Type and Selection or Repetition Validation Pseudocode algorithm

Blockly programming for Year 6 and 7 Blockly is a client-side library for the programming language JavaScript for creating block-based visual programming languages and editors. A project of Google, it is free and open-source software released under the Apache License 2.0. It typically runs in a web browser, and visually resembles the language Scratch. https://blockly.games/

Test with question and answer for year 6/7 and 8 -Geometric shapes using python programming turtle graphics

Please make sure you practice geometric shapes below using python programming (turtle graphics) and make sure you learn the name of each geometric shape. Please click the link below to start your practical tasks https://trinket.io/

IGCSE Year 10 and 11 Computer Science TEST 1 with Answer