Reading Time-approximately: 4 minutesA colocation facility, or colo, is a data center facility in which a business can rent space for servers and other computing hardware. By Brien Posey A colocation facility, or colo, is a data center facility in which a business can rent space for servers and other computing hardware. Typically, a colo provides the building, cooling, power, bandwidth and physical security, while the customer
Reading Time-approximately: 2 minutesBroadband and Wi-Fi are common technical terms often used interchangeably — although they shouldn’t be. Both provide connectivity, but they do so in different ways. By Andrew Froehlich It’s not uncommon for non-network professionals to use the terms broadband and Wi-Fi interchangeably. However, although both are networking technologies, the two words are quite different. Fortunately, it’s easy to grasp key differences with a clear
Reading Time-approximately: < 1 minuteEnd of life (EOL), in the context of manufacturing and product lifecycles, is the final stages of a product’s existence. By Ivy Wigmore The particular concerns of end-of-life depend on the product in question and whether the perspective is that of the manufacturer or the user. For the manufacturer, EOL concerns involve not only discontinuing production but also continuing to address
Reading Time-approximately: 7 minutesMany businesses are jumping off the new-equipment merry-go-round and turning to the secondary market, keeping their infrastructure alive for up to a decade. Find out how resellers in the secondary market have emerged to meet end-user tech needs, growing their resale businesses and meeting a variety of challenges. By Stephen J. Bigelow The adage that a new car loses 20%
Reading Time-approximately: < 1 minuteThe IT aftermarket (also called the tech secondary market) is an industry segment of tech resellers and active consumers that are buying and selling IT equipment outside of the channel endorsed by manufacturers. Tekmart Africa Enterprise Sales Team Secondary-market resellers are perhaps best known for providing used, refurbished tech equipment at a fraction of retail cost. Like traditional vendors, secondary-market resellers also deal
Reading Time-approximately: 4 minutesMicrosoft Windows Azure Active Directory (Windows Azure AD or Azure AD) is a cloud service that provides administrators with the ability to manage end-user identities and access privileges. Its services include core directory, access management and identity protection. As the name implies, Azure AD is part of the Microsoft Azure public cloud computing platform. By Wesley Chai, and Toni Boger The service gives administrators the
Reading Time-approximately: 2 minutesWhile VLANs are a type of subnet, they have their own unique capabilities and characteristics that differentiate them from subnets. However, the OSI model plays a major role in both. By Andrew Froehlich A prevailing question that many new network administrators ask is the difference between virtual LANs — or VLANs — and IP subnetworks, or subnets. While instances occur
Reading Time-approximately: 5 minutesCloud infrastructure refers to the hardware and software components — such as servers, storage, a network, virtualization software, services and management tools — that support the computing requirements of a cloud computing model. Posted by: Margaret Rouse WhatIs.com Contributor(s): James Montgomery; Kurt Marko; Nicholas Rando; Beth Pariseau; Alex Barrett Cloud infrastructure also includes an abstraction layer that virtualizes and logically presents resources and services to
Reading Time-approximately: 7 minutesRAM (Random Access Memory) is the hardware in a computing device where the operating system (OS), application programs and data in current use are kept so they can be quickly reached by the device’s processor. Posted by: Margaret Rouse WhatIs.com Contributor(s): Kevin Ferguson, Stacey Peterson and Rodney Brown RAM is the main memory in a computer. It is much faster to read from and write to than other
Reading Time-approximately: 4 minutesNOR flash memory is one of two types of non-volatile storage technologies. NAND is the other. Non-volatile memory doesn’t require power to retain data. Posted by: Margaret Rouse WhatIs.com Contributor(s): Ben Lutkevich; Brien Posey; Rodney Brown NOR and NAND use different logic gates — the fundamental building block of digital circuits — in each memory cell to map data. Both types of flash memory were invented by Toshiba,
What is COVID-19?
On 31 December 2019, the World Health Organization (WHO) reported a cluster of pneumonia cases in Wuhan City, China. ‘Severe Acute Respiratory Syndrome Coronavirus 2’ (SARS-CoV-2) was confirmed as the causative agent of what we now know as ‘Coronavirus Disease 2019’ (COVID-19). Since then, the virus has spread to more than 100 countries, including South Africa.
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