Laptops
Portable computers are designed to be carried around easily. Whereas once laptops offered nowhere near the power and capabilities of…
Entity Relationship Diagrams for databases
An Entity Relationship Diagram ("ERD") is a logical diagram for visualising a relational database during the design phase.
Cloud Computing
It seemed for some time that Google’s vision of online apps — Google Docs, Sheets and Slides — was destined…
CAT/ICT advert-style questions
A common type of question in an ICT assessment is to provide students with an advert as a visual stimulus…
Distance between two points on the Cartesian Plane
INCOMPLETE… This exercise is useful for many programming scenarios. The mathematical skills & knowledge required are covered in the Cambridge…
Passwords & MFA
The first level of security on computers, systems, websites and apps is to require a user to create an account…
The Network OSI Model
Networks are incredibly complex, requiring hardware, software, communication media as well as protocols to make it all happen. To attempt…
How to format a USB drive
The pen drive, also known as a USB memory stick, has largely replaced optical storage media. They are highly portable…
Ethernet & Ethernet cable
This post serves to clear up the use of the word ethernet as a common mistake is to use the…