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Welcome to CS with Mr G! 🚀
Your go-to channel for making Computer Science simple, clear, and fun.

Whether you’re preparing for IGCSE, A-Level Computer Science, or just curious about coding and tech, you’ll find easy-to-follow tutorials, exam tips and coding walkthroughs here.

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14:37

9618 AS Level Computer Science | Unit 3 Lesson 10: Boolean Logic - Logic Gates and Truth Tables

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Shared 2 hours ago

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28:56

0478/0984 iGCSE Computer Science Paper 2 - 15 Mark Programming Question Solved | Pseudocode M/J 2024

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Shared 5 days ago

70 views

4:43

9618 AS Level Computer Science | Unit 3 Lesson 9: Monitoring and Control Systems | Automation

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Shared 1 week ago

34 views

10:01

9618 AS Level Computer Science | Unit 3 Lesson 8: Sensors | Hardware | Input Devices

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Shared 1 week ago

28 views

9:49

9618 AS Level Computer Science | Unit 3 Lesson 7: Output Devices | Hardware

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Shared 1 week ago

54 views

14:12

9618 AS Level Computer Science | Unit 3 Lesson 6: Input Devices | Hardware

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Shared 1 week ago

40 views

13:52

9618 AS Level Computer Science | Unit 3 Lesson 5: Secondary Storage | Magnetic Optical & Solid State

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Shared 2 weeks ago

95 views

4:19

9618 AS Level Computer Science | Unit 3 Lesson 4: Types of ROM | PROM EPROM & EEPROM

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Shared 2 weeks ago

65 views

16:00

0478/0984 iGCSE Computer Science Paper 2 - 15 Mark Programming Question Solved | Pseudocode M/J 2025

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Shared 2 weeks ago

143 views

4:20

9618 AS Level Computer Science | Unit 3 Lesson 3: Primary Memory | SRAM & DRAM | Static & Dynamic

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Shared 2 weeks ago

85 views

4:51

9618 AS Level Computer Science | Unit 3 Lesson 2: Embedded Systems | CPU, RAM & ROM

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Shared 3 weeks ago

73 views

13:17

9618 AS Level Computer Science | Unit 3 Lesson 1: Primary Memory | RAM & ROM | Virtual Memory

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Shared 3 weeks ago

63 views

6:43

9618 AS Level Computer Science | Unit 2 Lesson 14: URLs & DNS | Domain Name System | IP Addresses

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Shared 4 weeks ago

85 views

9:01

9618 AS Level Computer Science | Unit 2 Lesson 13: IP Address | Subnetting & Masks | Host ID Net ID

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Shared 1 month ago

49 views

8:05

9618 AS Level Computer Science | Unit 2 Lesson 12: IP Address | Private v Public | Static v Dynamic

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Shared 1 month ago

48 views

6:57

9618 AS Level Computer Science | Unit 2 Lesson 11: Networks - IP Addresses | IPV4 vs IPV6

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Shared 1 month ago

63 views

11:55

9618 AS Level Computer Science | Unit 2 Lesson 10: Networks - Internet v WWW | World Wide Web | PSTN

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Shared 1 month ago

52 views

7:01

9618 AS Level Computer Science | Unit 2 Lesson 9: Networks - Bit Streaming | Real Time & On Demand

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Shared 1 month ago

68 views

6:49

9618 AS Level Computer Science | Unit 2 Lesson 8: Networks - Ethernet & Collisions | CSMA/CD | LAN

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Shared 1 month ago

68 views

10:21

9618 AS Level Computer Science | Unit 2 Lesson 7: Network Hardware | NIC Switch Router Gateway

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Shared 1 month ago

69 views

10:35

9618 AS Level Computer Science | Unit 2 Lesson 6: Wireless vs Wired Networks

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Shared 1 month ago

67 views

7:41

9618 AS Level Computer Science | Unit 2 Lesson 5: Cloud Computing & Storage | Public Private Hybrid

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Shared 2 months ago

56 views

11:12

9618 AS Level Computer Science | Unit 2 Lesson 4: Network Topologies | Bus Star Ring Mesh & Hybrid

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Shared 2 months ago

72 views

7:41

9618 AS Level Computer Science | Unit 2 Lesson 3: Networks | Thin Clients vs Thick Clients

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Shared 2 months ago

84 views

8:18

9618 AS Level Computer Science | Unit 2 Lesson 2: Networks | Client Server Peer to Peer P2P

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Shared 2 months ago

84 views

6:48

9618 AS Level Computer Science | Unit 2 Lesson 1: Networks Introduction | LAN vs WAN

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Shared 2 months ago

122 views

18:18

9618 AS Level Computer Science | Unit 1 Lesson 7: File Storage and Compression | Lossy | Lossless

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Shared 2 months ago

192 views

15:42

9618 AS Level Computer Science | Unit 1 Lesson 6: Digital Images | Bitmap Vector Pixel Resolution

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Shared 2 months ago

135 views

14:02

9618 AS Level Computer Science | Unit 1 Lesson 5: Digital Audio | Sampling Rate and Resolution

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Shared 2 months ago

108 views

11:25

9618 AS Level Computer Science | Unit 1 Lesson 4: Character Sets | ASCII and Unicode

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Shared 2 months ago

178 views

19:19

9618 AS Level Computer Science | Unit 1 Lesson 3: Hexadecimal | How to convert and its uses

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Shared 2 months ago

112 views

16:14

9618 AS Level Computer Science | Unit 1 Lesson 2: Binary Addition Negative Numbers & Shifts 2s Comp

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Shared 2 months ago

172 views

18:43

9618 AS Level Computer Science | Unit 1 Lesson 1: Binary, Denary & BCD

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Shared 2 months ago

246 views

11:13

0478/0984 iGCSE Computer Science – Unit 10 Revision: Boolean Logic┃Past Paper Practice┃Exam Question

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Shared 4 months ago

201 views

13:34

0478/0984 iGCSE Computer Science – Unit 9 Revision: Databases SQL┃Past Paper Practice┃Exam Questions

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Shared 4 months ago

196 views

10:09

0478/0984 iGCSE Computer Science – Unit 8 Revision: Programming┃Past Paper Practice┃Exam Questions

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Shared 4 months ago

425 views

20:00

0478/0984 iGCSE Computer Science – Unit 7 Revision: Algorithms & Problem Solving┃Past Paper Practice

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Shared 4 months ago

382 views

8:37

0478/0984 iGCSE Computer Science – Unit 6 Revision: Automation & A.I Past Paper Practice Questions

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Shared 4 months ago

195 views

12:39

0478/0984 iGCSE Computer Science – Unit 5 Revision: The Internet┃Past Paper Practice┃Exam Questions

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Shared 4 months ago

213 views

11:25

0478/0984 iGCSE Computer Science – Unit 4 Revision: Software - Operating Systems | Language Types

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Shared 4 months ago

329 views

7:43

0478/0984 iGCSE Computer Science – Unit 3 Review 3: Network Hardware IP MAC Router Exam Questions

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Shared 5 months ago

491 views

12:07

0478/0984 iGCSE Computer Science – Unit 3 Revision 2: Input Output Devices & Sensors Exam Questions

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Shared 5 months ago

267 views

13:06

0478/0984 iGCSE Computer Science – Unit 3 Review 1: CPU and Storage Exam-Style Questions Past Paper

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Shared 5 months ago

265 views

12:23

0478/0984 iGCSE Computer Science – Unit 2 Revision: Exam-Style Questions / Topical Past Paper

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Shared 5 months ago

213 views

10:51

0478/0984 iGCSE Computer Science - Unit 10 Lesson 3: Boolean Logic - Logic Expressions / Statements

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Shared 5 months ago

168 views

6:07

0478/0984 iGCSE Computer Science - Unit 10 Lesson 2: Boolean Logic - Logic Circuits and Truth Tables

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Shared 5 months ago

121 views

15:24

0478/0984 iGCSE Computer Science - Unit 10 Lesson 1: Boolean Logic - Logic Gates and Truth Tables

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Shared 5 months ago

248 views

9:08

0478/0984 iGCSE Computer Science - Unit 9 Lesson 2: Databases - SQL Structured Query Language

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Shared 5 months ago

212 views

10:56

0478/0984 iGCSE Computer Science - Unit 9 Lesson 1: Databases - Introduction Tables Records Fields

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Shared 6 months ago

169 views

8:54

0478/0984 iGCSE Computer Science - Unit 8 Lesson 11: Programming - File Handling: Read Write Text

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Shared 6 months ago

444 views

17:33

0478/0984 iGCSE Computer Science - Unit 8 Lesson 10: Programming - Arrays Lists in Python 1D and 2D

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Shared 6 months ago

298 views

7:38

0478/0984 iGCSE Computer Science - Unit 8 Lesson 9: Maintainable Programming - Identifiers Comments

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Shared 6 months ago

261 views

10:00

0478/0984 iGCSE Computer Science - Unit 8 Lesson 8: Programming - Library Routines MOD DIV RANDOM

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Shared 6 months ago

415 views

18:42

0478/0984 iGCSE Computer Science - Unit 8 Lesson 7: Programming - Functions and Procedures

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Shared 6 months ago

691 views

16:12

0478/0984 iGCSE Computer Science - Unit 8 Lesson 6: Programming - Nested Statements If and Loops

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Shared 6 months ago

227 views

14:15

0478/0984 iGCSE Computer Science - Unit 8 Lesson 5: Programming - Arithmetic Logic Boolean Operators

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Shared 6 months ago

220 views

13:21

0478/0984 iGCSE Computer Science - Unit 8 Lesson 4: Programming - String Handling Length Substring

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Shared 6 months ago

378 views

21:02

0478/0984 iGCSE Computer Science - Unit 8 Lesson 3: Programming - Iteration: FOR WHILE REPEAT Loops

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Shared 7 months ago

306 views

11:23

0478/0984 iGCSE Computer Science - Unit 8 Lesson 2: Programming - Sequence and Selection: IF ELSE

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Shared 7 months ago

257 views

14:05

0478/0984 iGCSE Computer Science - Unit 8 Lesson 1: Intro to Programming - Variables and Data Types

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Shared 7 months ago

485 views

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