OCR Reference Language J277 - Complete Crash Course For GCSE Computer Science

Welcome to the OCR Refence language crash course.
This video is aimed at students studying OCR computer science at GCSE and is for students to quickly learn enough of the basics to be comfortable with programming questions found in paper 2 in the OCR J277 Specifications.

Note: This is not meant to be a comprehensive guide but as the title implies a crash course to get you through the exam basics.
To make this guide more accessible all text is in a dyslexic friendly font (OpenDyslexic) also I am talking a bit slower to make the video easier to follow and recommend watching at x1.5.

With this out of the way, Happy Revising and Good Luck!

Timecodes
0:00 - Introduction
0:35 - Comparison Operators
1:10 - Arithmetic Operators
1:58 - Boolean Operators
2:41 - Comments
2:59 - Variables
3:43 - Input/Output
4:43 - Random Number
5:12 - Casting
6:18 - FOR loop (Count-Controlled)
7:25 - WHILE loop (Condition-Controlled)
7:58 - DO WHILE loop (Condition-Controlled)
8:08 - If-then-else
8:48 - Case Select (switch)
9:32 - String Length
10:34 - Substrings
11:38 - Concatenation
12:04 - Uppercase & Lowercase
12:23 - Ascii Conversion
13:00 - Create New File
13:22 - Opening File
13:42 - Write Line
14:10 - Read Line
14:34 - Close File
14:45 - End of File
15:14 - Procedure
16:13 - Function
16:57 - Arrays
18:33 - 2D Arrays
19:23 - End