Types of Computer & Embedded Systems




NASA Supercomputer

Knowledge of hardware is fundamental to the ITGS course. Hardware affects both the performance and the way in which IT systems are used.

Computer hardware introduction

Types of computer
You need to know about the types of computer below. Most were covered on the IGCSE ICT course.
Click on the links below and read the articles.
Embedded systems
What are embedded systems? Take a look at

Read this article about embedded systems -

For smaller devices, Pocket marvels: 40 years of handheld computers (ComputerWorld) has an interesting slideshow showing the developments in processing power, storage capacities, screen sizes, and input devices over the past 40 years. 


Use Google Draw to create a graphic that shows the similarities and differences between 3 types of computers or embedded systems