See the following objective content and related videos

These videos were chosen for each topic because they cover the subject matter in a relevant context. They definitely were not created specifically for the CSEC an Syllabus, however , they do address the fundamental concepts in real world scenarios.

(Created for csec syllabus, but also applies to NCSE ICT)

Distinguish among the major types of computer systems in terms of processing speed, storage and portability

Major types:(a)Super Computers (for example, Cray).(b)Mainframes (for example,IBM zEnterprise System).(c)Desktop systems.(d)Mobile devices (for example, laptops, notebooks, netbooks, smartphones, tablets and game consoles).(e)Embedded devices (for example,special-purpose systems such as controllers in microwaves, car ignition systems, answering machines).

Types of computers:https://www.youtube.com/watch?v=uD0acIhi8xE What is a super computer:https://www.youtube.com/watch?v=utsi6h7IFPs Using Supercomputers:https://www.youtube.com/watch?v=yvbSX–LOko

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