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Mark Harrison
Edexcel Computer Science iGCSE
7,995 views
44 items
Last updated on Nov 13, 2022
public playlist
Mark Harrison
5:13
Edexcel iGCSE Computer Science Paper 2 2019 Question 4 - Pigpen Cipher
Mark Harrison
9:16
Edexcel iGCSE Computer Science Trace table Question
Mark Harrison
4:02
Edexcel iGCSE Computer Science Paper 1 2019 Question 1
Mark Harrison
7:24
Edexcel iGCSE Computer Science Paper 1 2019 Question 2
Mark Harrison
5:32
iGCSE Computer Science pseudocode trace table Question
Mark Harrison
9:37
Computer Science - How to revise! With FREE tools to help you!
Mark Harrison
19:01
Edexcel iGCSE Computer Science Paper 2 2019 Question 1
Mark Harrison
21:47
Edexcel iGCSE Computer Science Paper 2 2019 Question 2
Mark Harrison
18:04
Edexcel iGCSE Computer Science Paper 2 2019 Question 3 - Updated edit for last question (square)
Mark Harrison
18:19
Edexcel iGCSE Computer Science Paper 2 2019 Question 5
Mark Harrison
13:31
Edexcel iGCSE Computer Science Paper 1 2019 Question 3
Mark Harrison
12:27
Edexcel iGCSE Computer Science Paper 1 2019 Question 4
Mark Harrison
15:45
Edexcel iGCSE Computer Science Paper 1 2019 Question 5
Mark Harrison
9:39
Edexcel iGCSE Computer Science Paper 1 2019 Question 6
Mark Harrison
6:07
Searching algorithms - how linear and binary searches work.
Mark Harrison
7:23
Edexcel iGCSE Computer Science SAM Paper 1 Question 1
Mark Harrison
6:59
Edexcel iGCSE Computer Science SAM Paper 1 Question 2
Mark Harrison
9:24
Edexcel iGCSE Computer Science SAM Paper 1 Question 3
Mark Harrison
6:20
Edexcel iGCSE Computer Science SAM Paper 1 Question 4
Mark Harrison
5:42
Edexcel iGCSE Computer Science SAM Paper 1 Question 5
Mark Harrison
5:23
Two's complement - it really is so easy to do!
Mark Harrison
4:37
Edexcel iGCSE Computer Science SAM Paper 1 Question 6
Mark Harrison
9:59
Edexcel iGCSE Computer Science SAM Paper 1 Question 7
Mark Harrison
11:49
Why you will throw away 8 marks if you don't plan! Long answer questions.
Mark Harrison
1:13
What are algorithms and where do we see them?
Mark Harrison
2:17
What are binary numbers and how do they work?
Mark Harrison
10:54
Edexcel iGCSE Computer Science SAM Paper 1 Question 8
Mark Harrison
2:28
What is a binary search and how does it work?
Mark Harrison
4:42
How to do binary addition - it's easy when you remember the rules!
Mark Harrison
3:15
Network topologies - star, bus, ring and mesh!
Mark Harrison
36:25
Edexcel iGCSE Computer Science Paper 1 2020 - Full Paper Walkthrough
Mark Harrison
36:10
Edexcel iGCSE Computer Science Paper 2 Practical 2020 - Full Paper Walkthrough
Mark Harrison
10:09
What can you expect in your exam, this video explains all!
Mark Harrison
29:47
Edexcel iGCSE Computer Science 2021 Paper 1
Mark Harrison
46:52
Edexcel iGCSE Computer Science 2021 Paper 2
Mark Harrison
1:49
KO your Computer Science revision with my knowledge organiser!
Mark Harrison
47:27
Edexcel iGCSE Computer Science November 2021 Paper 2
Mark Harrison
37:47
Edexcel iGCSE Computer Science November 2021 Paper 1
Mark Harrison
38:30
Edexcel iGCSE Computer Science Advanced Information 2022 Paper 1 Predictions
Mark Harrison
6:31
Edexcel iGCSE Computer Science How to answer pseudocode questions!
Mark Harrison
6:47
Start revising now?! But it's only August!
Mark Harrison
6:01
Network topologies - star, bus, ring and mesh
Mark Harrison
30:26
Edexcel iGCSE Computer Science Summer 2022 Paper 1
Mark Harrison
50:55
Edexcel iGCSE Computer Science Summer 2022 Paper 2
