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Introduction to Databases

A database is: A collection of sets of related data. A software program to keep this data organized. Databases make it possible to store, organize...

Flowcharts

What is a flowchart? A flowchart is a visual sketch or diagram that shows all the steps in a process or system.   Why do we need...

What is open source?

I keep hearing the term 'open source' - what does it mean? Open source is software for which the complete source code has been made...

Constants and Variables

WHAT ARE CONSTANTS AND VARIABLES? A variable is something whose value can vary. In programming, we use variables to store data. A constant is...

What is debugging?

Debugging means finding and removing errors (or "bugs") from your code. Computer programmers can sometimes make mistakes (aka 'bugs') when writing their code, especially if...

What is decomposition?

Decomposition is part of the foundation of computer science Decomposition happens when we break down a problem into smaller parts so we can both understand...

What are Algorithms?

Algorithms are a sequence of instructions, or a set of rules to solve a problem or complete a task. Where do we use algorithms? Everywhere! Your task...

What are computer viruses and malware?

Computer viruses and malware are harmful software programs. They can attack computers, tablets, smartphones and even your personal assistant devices like Alexa and Google...

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