This is a 23 page revision guide that covers everything about the topic under consideration. It is based on the current IGCSE ICT syllabus. It is suitable for both after topic assessment as well as revision tool for the final year students. More so, it also contains past questions regarding the topic so as to prepare the students for the type of questions asked. Please, if you find this resource useful, kindly rate it, make comments, review and recommend it to others. And don’t forget to follow and visit my shop. Thank you for using the resource.