IGCSE Computer Science CIE (0478 and 0984) & CIE O Level (2210)

1
Introduction
- Introduction to the course
- Coursebooks
- 0478Exams
2
Introduction to Computers
- What's inside a computer?
- Inputs and Outputs
- Different Types of Software
- Operating Systems
- Buffers
- Interrupts
- Programming Languages: Compiled, Interpreted & Assembled Code
- Coursebook Work
- Terminology for this Exam
3
Binary
- Binary 1 FREE PREVIEW
- Binary 2
- Binary 3
- Binary 4
- Binary 5
- Binary 6
- Binary 7
- Binary 8
- Binary Shifting
- Coursebook Work
- Binary Quiz
4
Hexadecimal
- Introduction
- Converting Denary To Hex part 1
- Converting Denary To Hex part 2
- Converting Denary To Hex part 3
- Converting Denary to Hex part 4
- Converting bigger numbers than 256
- Converting Hex to Denary part 1
- Converting Hex to Denary part 2
- Converting Hex to Denary part 3
- Hex to Denary Alternative method
- Alternative method - more examples
- Converting Hex to Binary
- Converting Binary to Hex
- Coursebook Work
- Hex Questions
- Hex Quiz
- Code Task
- Code Task Sample Answer
5
Uses of Binary and Hex
- Uses of Binary
- Uses of Hex
- Coursebook work
- Quiz: uses of Binary and Hex
6
Internet Technologies
- ISPs Part 1
- ISPs Part 2
- TCP/IP
- Internet Security - Intro
- Computer Viruses
- Phishing
- Pharming
- Hacking
- Wardriving
- Spyware/Key-logging Software
- Denial of Service Attacks
- A look at Exam Questions on Internet Security
- Internet Packets
- World Wide Web Introduction
- URLs (Uniform Resource Locator)
- HTML Requests and Server Responses ***NEW***
- HTML & CSS
- Practice using some HTML/CSS
- Cookies
- Proxy Servers
- Coursebook Work
7
Von Neumann Architechture & Fetch/Execute Cycle
- von Neumann Architechture
- Fetch-Execute Cycle
- Coursebook Work
8
Marked Assignment 1
- Marked Assignment 1
9
Input Devices
- Introduction
- 2D Scanners part 1
- 2D Scanners Part 2
- 3D Scanners
- Biometric Scanners
- Advantages and Disadvantages of Scanners
- Keyboards
- Pointing Devices
- Interactive Whiteboards
- Microphones
- Digital Cameras
- Touch Screens
- Barcodes
- Automatic Stock Control using Barcodes
- QR Codes
- Coursebook Work
10
Input Devices: Sensors
- Sensors - Introduction
- Light Sensors
- Temperature Sensors
- Motion Sensors
- Magnetic Field Sensors
- Gas Sensors
- Pressure Sensors
- Moisture Sensors
- Humidity Sensors
- pH Sensors
- Coursebook work
11
Monitoring and Control Systems
- Monitoring and Control Systems Intro
- Monitoring Systems: Examples
- Control Systems: Examples
- Exam Paper Example
- Coursebook Work
- Quiz: Monitoring and Control Systems
- Exam Question
- Exam Answer
12
Output Devices
- Output Devices - Introduction
- Printers: Overview
- Inkjet Printers
- Laser Printers
- 3D Printers
- Speakers and Headphones
- Digital Projectors
- Monitors and Screens
- CAM, 2D 3D Cutters, Actuators
- Coursebook work
- Quiz: Output Devices
13
Logic Gates
- Introduction
- Things to remember
- NOT Gates
- OR Gate
- AND Gate
- NOR Gate
- NAND Gate
- XOR Gate
- NAND Gates (Combining 1 to make AND gate)
- NAND Gates (Combining to make OR gate)
- NAND gates (Combining to make a NOT gate)
- Creating Truth Tables from Logic Circuits 1
- Creating Truth Tables from Logic Circuits 2
- Creating Truth Tables from Logic Circuits 3
- Logic Expressions from Circuit Diagrams 1
- Logic Expressions from Circuit Diagrams 2
- Logic Expressions from Circuit Diagrams 3
- Drawing Circuits from Expressions 1
- Drawing Circuits from Expressions 2
- Drawing Circuits from Expressions 3
- Safety Circuits 1
- Safety Circuits 2
- Coursebook Work
- Exam Question 1
- Exam Question 1 - Answer
- Exam Question 1 - Video Answer part 1
- Exam Question 1 - Video Answer part 2
- Exam Question 2
- Exam Question 2 - Answer
- Exam Question 2 - Video Answer Part 1
- Exam Question 2 - Video Answer Part 2
14
Data Transmission
- Bit Rate
- Parallel vs Serial Transmission
- Serial Transmission
- Parallel Transmission
- USB - Universal Serial Bus
- Simplex, Duplex, Half-Duplex (Direction of Data transmission)
- Exam Question - Parallel, Serial, Duplex, Half Duplex.
- Exam Question - Parallel, Serial, Duplex, Half-Duplex - Answer
- Parity (Even) 1
- Parity (Even) 2
- Parity (Odd)
- Problems with Parity Checks
- Parity Blocks
- Quiz: Parity
- Exam Question: Parity Bytes
- Exam Questions (Answer) : Parity Bytes
- Check Sums
- Check Digits 1
- Check Digits 2
- Coursebook work
- Exam Question: Check Digit Calculations
- Exam Question Parity Bytes - Video Answer
- Exam Question (Answers): Check Digit Calculations
15
Storage and Media
- Primary Memory (ROM & RAM)
- Primary vs Secondary Storage
- Magnetic Storage Devices
- Optical Storage Devices
- Offline Storage
- Solid State Drives
- Which Storage Device Should I Use?
- Comparing Storage Devices
- Exam Question: Storage & Media Devices
- Exam Question: (Answer) Storage & Media Devices
- Calculating The Size of a File
- Calculating Size of Files - Exam example
- Exam Questions: Calculating Storage Size of Files
- Exam Questions: (Answers) Calculating Storage Size of Files
- File Types
- Lossy Compression
- Lossless Compression
- Quiz: Compression
- Coursebook Work
- Exam Questions: Compression
- Exam Questions: (Answer) Compression
16
Encryption
- Encryption - Introduction
- Key size in Encryption
- Symmetric Encryption
- Asymmetric Encryption
- SSL/TLS
- Coursebook Work
- Quiz: Encryption
17
Ethics
- What are Computer Ethics?
- Copyright and Plagerism
- Shareware, Freeware and Free Software
- Coursebook Work
- Quiz: Ethics
18
Marked Assignment 2
- Marked Assignment 2
19
Algorithms
- What is an algorithm?
- Computational Thinking
- Algorithm creation - example
- What to look for when creating an algorithm
- How do we write down algorithms?
- Algorithms Quiz
20
Algorithm Practice
- Algorithm Practice 1 (Temperature in a room)
- Algorithm Practice 1 (Converting Algorithm to code)
- Algorithm Practice 2 (Finding the Smallest Value)
- Algorithms 2 Min in Python Code
- Algorithm Practice 2 Finding the Maximum value
- Coursebook Work
21
Pseudo Code
- Introduction
- What is Pseudo Code and why do we use it?
- Variable assignment and data types
- Conditionals (IF/ELSE/CASE)
- Loops
- For Loop
- While Loop
- Repeat Until Loop
- Input/Output
- Comments
- Coursebook Work
- Pseudo Code Question
- Pseudo Code Answer
- Pseudo Code Quiz
22
Flow Charts
- What are flowcharts?
- Flowchart Example
- Flowchart Exam example
- Flowchart Quiz
- Coursebook Work
- Flow chart Question
- Flow Chart Answer
23
Trace Tables
- Trace Tables - Flow Chart Example
- Trace Tables - Pseudo Code Example
- Coursebook Work
- Exam Question: Trace Tables
- Exam Question: (Answer) Trace Tables
24
Errors in Code
- Correcting Errors in PseudoCode 1
- Correcting Errors in PseudoCode 2
- Correcting Errors in PseudoCode 3
- Correcting Errors in PseudoCode 4
- Errors in Code (Summary)
- Errors in Code: Practice
- Errors in Code Practice: Answers
25
Databases
- What are databases?
- Why use Databases?
- Examples of Database use
- Different Database Packages available
- Tables
- Field Data Types
- Validation and Verification
- A look at OpenOffice Database
- Exam Questions
- Coursebook work
- Practical Work - Databases
- Exam Questions: Databases
- Exam Questions: (Answers) Databases
26
Marked Assignment 3
- Marked Assignment 3
27
Exam Crammer Lessons
- Exam Crammer Lessons ****NEW****
- Exam Crammer Lesson - Theory Paper (1)
- Exam Crammer Lesson - Programming and Problem Solving Paper (2)