Numbering Systems

Back to: IGCSE CS Online Course June 2025

Course Overview

What Is Computer Science ?
- What is CS ?
- CS VS ICT
01 Data Representation
- Numbering Systems
- Conversions
- Binary Addition, Logical Shifts and two’s Complement
- Representing Text, Images, Sounds and Data Compression
02 Data Transmission
- Data Packets and Data Transmission
- Error Detection Methods
- Internet Technologies and Encryption
03 Hardware
- CPU Components, Factors Affecting CPU Performance, Fetch Decode Execute Cycle
- Input Devices
- Output Devices
- Storage
- Size Calculations, Cloud Storage and Networks
04 Software
- Software
The Internet and its uses
- Cookies, DNS and Digital Currency
- Cyber Security
06 Automated And Emerging Technologies
- Automated And Emerging Technologies
Programming (Pseudocode)
- 01 Pseudocode basics, Data Types, Programming Principles and Sequence
- 02 Selection
- 03 Loops
- 04 Totaling
- 05 Average and Counting
- 06 Conditional Average
- 07 Maximum And Minimum
- 08 Conversions between Loops
- 09 Arrays (1-D)
- 10 Validation
- 11 Linear Search
- 12 Bubble Sort
- 13 Arrays (2-D) Part 1
- 14 Arrays (2-D) Part 2
- 15 Declaration
- 16 Built In Functions
Programming (Locating Errors)
- Locating Errors Part 1
- Locating Errors Part 2
Programming (Flowcharts)
- Tracing Flowcharts Part 1
- Tracing Flowcharts Part2
- Drawing Flowcharts
Programming (Database)
- Database
- Solving Database Exams
Programming (Logic Gates)
- Logic Gates Part 1
- Logic Gates Part 2
Programming (Text File Handling)
- Text File Handling
Programming (Procedure And Functions)
- Procedure And Functions
Programming (Theory Questions)
- Programming Theory Questions
Programming (Scenario Questions)
- Example
- SP 23 (A)
- SP 23 (B)
- June 23 V1
- June 23 V2
- June 23 V3
- Nov 23 V1
- Nov 23 V2
- Nov 23 V3
- March 23
- March 24

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