Category: Hardware

Input, Processing, Output, Storage and Communication devices and components.

UPS

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…

ROM

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…

RAM

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…

RFID

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…

CPU

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…