O Level2025149 views
Video lectures
ZAK's lectures, indexed by syllabus topic
578 videos (524 hours) from ZAK's YouTube channel — topic lectures, full past-paper walkthroughs, Zakathon revision marathons, the Python course — each tagged with the Cambridge topic it teaches, so the same videos also sit in the Resources card of every topic page. Press play to watch here; new uploads appear on their own.
578 videos · indexed 2026-11-01
33 playlists on ZAK's channel
- A2 Level 9618 Computer Science · Complete Course 98
- AS Level 9618 Computer Science · Complete Course 98
- O Level 2210 & IGCSE 0478 Computer Science · Complete Course 98
- Tour the Website: Free Notes, Past Papers, Labs and AskZ · cswithzak.com 0
- Network Hardware: Routers, NICs and MAC Addresses · O Level 2210 · IGCSE 0478 1
- The 15-Mark Question: How to Score Full Marks · O Level 2210 · IGCSE 0478 Paper 2 7
- 9618 Paper 4 Workshop: The Whole Paper in a Day · A Level · Zakathon 2024 3
- 9618 Paper 3 Workshop: The Whole Paper in a Day · A Level · Zakathon 2024 4
- Paper 2 in One Sitting: Complete Revision · O Level 2210 · IGCSE 0478 · Zakathon 2024 2
- 9618 Paper 2 Workshop: The Whole Paper in a Day · AS Level · Zakathon 3
- Paper 1 in One Sitting: Complete Revision · O Level 2210 · IGCSE 0478 · Revise & Shine 3
- 9618 Paper 1 Workshop: The Whole Paper in a Day · AS Level · Zakathon 3
- Two's Complement: Negative Numbers Without Tears · O Level 2210 · IGCSE 0478 3
- Logical Binary Shifts: Multiply and Divide by Two · O Level 2210 · IGCSE 0478 3
- Binary Addition and Overflow: Carry It Right · O Level 2210 · IGCSE 0478 2
- Code Walkthroughs: Read Programs Like an Examiner · Cambridge Computer Science 1
- Pre-release Material May/June 2022 Solved · O Level 2210 Paper 2 4
- Pre-release Material May/June 2021 Solved · O Level 2210 Paper 2 1
- Pre-release Material Oct/Nov 2020 Solved · O Level 2210 Paper 2 5
- Python for Beginners: Step by Step · O Level, IGCSE & A Level 9618 Paper 4 24
- CS 0
- AI-Narrated Overviews · CS 14
- 9618 Ch. 17 Security: Encryption, Signatures and Certificates · A Level 3
- Full Papers Solved, Year by Year · O Level 2210 · IGCSE 0478 Paper 1 and 2 9
- Topical Past Paper Solutions: One Topic at a Time · A Level 9618 & 9608 Paper 3 and 4 5
- Topical Past Paper Solutions: One Topic at a Time · AS Level 9618 & 9608 Paper 1 and 2 16
- 9618 Paper 2 Complete Course: Problem-Solving and Programming · AS Level 18
- Revise & Rise: The Whole Syllabus Before the Exam · O Level 2210 · IGCSE 0478 12
- Past Paper Solutions, Question by Question · O Level 2210 · IGCSE 0478 Paper 1 and 2 19
- Full Papers Solved, Year by Year · A Level 9618 & 9608 Paper 3 and 4 32
- 9618 Ch. 20 Further Programming: OOP, Recursion and Exceptions · A Level 21
- 9618 Ch. 19 Computational Thinking and Problem-Solving: Searching, Sorting and ADTs · A Level 28
- 9618 Ch. 16 System Software: Translation and Interrupts in Depth · A Level 19
O Level · 1. Data Representation
O Level2025140 views
O Level2025109 views
O Level202566 views
O Level2025114 views
O Level2025103 views
O Level · 2. Data Transmission
O Level2025121 views
O Level202582 views
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O Level202561 views
O Level202546 views
O Level · 3. Hardware
O LevelASUrdu20211.7K views
AS · 1. Information Representation
AS2023235 views
AS2023711 views
O LevelAS2023425 views
AS2023254 views
O LevelAS20231.1K views
O LevelAS2023626 views
AS · 2. Communication
O LevelASUrdu20211.7K views
ASA22020272 views
ASA220201.0K views
AS2020861 views
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AS · 4. Processor Fundamentals
AS2023235 views
A2 · 13. Data Representation
A2202648 views
A220233.2K views
A22023678 views
A22023652 views
A22023802 views
A22023877 views
A2 · 14. Communication and Internet Technologies
A2Urdu20211.1K views
ASA22020272 views
A220204.1K views
ASA220201.0K views
A220204.8K views
A220202.4K views
