An Uninterruptible Power Supply (UPS) is a hardware device containing battery cells & electric circuitry. A UPS provides temporary power in the event of a power failure, allowing a user…

When we refer to Read-Only Memory (“ROM”), we are generally referring to the specific small chip on the motherboard of a device that is programmed with the instructions that start…

You cannot learn the theory of a subject without first mastering its terminology! Terminology enables us to correctly identify all the things we learn about so that we can explore…

A computer printer is one of the most common output devices. A file, such as a Word document, that has been printed is commonly referred to as a hard copy.…

Random Access Memory (“RAM”) is an integral part of a computer. In fact, your computer will not boot up if the RAM is missing, incorrectly seated on the motherboard, or…

Digital projectors are common hardware output devices used mainly in business and educational settings, as well as for entertainment. Data projectors project an image onto a screen or wall. Most…

The Printer Queue concept is introduced in Grade 10 as part of the computer hardware devices module. This post deals with the basics as laid out in the curriculum, as…

Radio-frequency Identification uses electromagnetic fields to automatically identify and track tags attached to or embedded in objects. An RFID tag consists of a tiny radio transponder, a radio receiver and…

With the Internet of Things being a hot topic for the last year or so, the term convergence has come up in assessments over and over again and we can…

People frequently refer to the Central Processing Unit (“CPU“) as the “brain” of the computer. This analogy is poor as the human brain both stores and processes data, while the…