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The system at a glance

The system at a glance

A labelled computer system diagram with input devices on the left, a processor in the centre, output devices on the right, and RAM, ROM, SSD/HDD and cloud storage below A computer system needs a way to receive data, process it, present results, and save data for later. Input, output and storage devices make each stage possible.

Input, output and storage Lesson

  1. A Level
  2. /Computer Science
  3. /Input, output and storage

Step-by-step lessons on OCR A Level Computer Science Input, output and storage. Each one builds up to exam-style questions.

Lessons