Видео с ютуба Perhlo Academy

Perhlo Academy | Channel Intro

16.2 - Translation Software - SYSTEM SOFTWARE - Computer Science 9618 (A2 Level)

дневник учителя | подготавливаюсь к школьной проверке

1.1-Number Systems Part 1

10-Boolean Logic (Part2) - Computer Science 2210 Lecture

5.1 - Operating System - Computer Science 9618 (AS Level)

2.1-Networks Including Internet (Part 1): Types of Networks - Computer Science 9618 (AS Level)

Перге - история математики: открытия Аполлония