TRIALTamil & English
Number Systems: The Language of Computers
An introductory trial lesson connecting number systems with the way computers represent information.
1:30Watch lesson
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9 published records
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One idea at a time. Watch a short lesson, then explain it in your own words.
Computer System Architecture
3 trial lessons
TRIALTamil & English
Positional Systems and the Base (Radix)
Compare positional and non-positional systems, then explore what the base of a number system means.
1:32Watch lesson
TRIALTamil & English
Digit, Place Value, Face Value and the General Formula
Use a worked number example to distinguish a digit, its face value and its positional contribution.
1:33Watch lesson
Database Management Systems
2 trial lessons
TRIALTamil & English
What Is a Data Model?
Meet the idea of a data model through a library example before moving to database tables.
1:31Watch lesson
TRIALTamil & English
Purpose and Components of a Data Model
Explore how a data model organises information and gives users and designers a shared way to describe it.
1:34Watch lesson
Operating Systems
2 trial lessons
TRIALTamil & English
What Is an Operating System?
See the operating system's role between users, applications and computer hardware.
1:30Watch lesson
TRIALTamil & English
Components of a Computer System
Connect hardware, the operating system, application programs and users in one system view.
1:32Watch lesson
Python Programming
2 trial lessons
TRIALTamil & English
What Is Python?
A first look at Python as a high-level, general-purpose programming language.
1:33Watch lesson
TRIALTamil & English
Features of Python
Explore Python's readable syntax and the features introduced in this short trial lesson.
1:27Watch lesson
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