Reading Time-approximately: 5 minutesIT4IT is a reference architecture for information technology (IT) management. IT organizations and tool vendors use IT4IT as a framework to improve and guide IT capabilities by focusing on value chains. By Alexander S. Gillis Created by The Open Group, IT4IT uses a value chain approach to construct a model of functions that IT organizations follow to create a product or service. The
Reading Time-approximately: 5 minutesThe history of information technology began long before the modern-day computer was ever invented. By Rahul Awati The history that led to the development of IT as it’s known today goes back millennia. But the term information technology is a relatively recent development. The phrase first appeared in a 1958 Harvard Business Review article which predicted its future effects, titled Management in the 1980s: “Over
Reading Time-approximately: 7 minutesRemote work can save businesses money and reduce absenteeism. But it also comes with its disadvantages. By Amanda Stevens Nearly every facet of life transitioned to an online format in 2020. But the biggest change was shifting from office work to remote work. Teleworking is not a new idea. In the past, it was a luxury afforded to a lucky
Reading Time-approximately: 4 minutesAWS certification is a level of Amazon Web Services cloud expertise that an IT professional obtains after passing one or more exams the public cloud provider offers. By Tim Culverhouse IT pros gain AWS certifications to demonstrate and validate technical cloud knowledge and skills. AWS provides different certification exams for cloud engineers, administrators and architects. AWS certification lasts for two years, and IT pros can
Reading Time-approximately: 5 minutesLearning about the jobs available, skills required/in demand and the most popular relevant certifications/certificates/degrees as you consider infrastructure as an IT career path. By Rahul Awati IT and its underlying infrastructure power every aspect of modern businesses, governments, militaries and economies. Many organizations don’t have enough employees on staff with the right qualities of IT know-how to fully support their
Reading Time-approximately: 6 minutesEven with software-based data center options, it’s still important to know the physical components of a server. Check out these terms to refresh your memory. By Stephen J. Bigelow and Jessica Lulka Servers are the powerhouse behind every data center. These modular, boxy components contain all the processing power required to route and store data for every possible use case. Depending
Reading Time-approximately: 3 minutesWestern Digital unveiled a new storage drive architecture for hard drives that improves capacity, performance and reliability via an embedded flash drive to store metadata. By Johnny Yu Western Digital’s new OptiNAND storage infrastructure puts a lot of capacity on one platter. Unveiled at today’s HDD Reimagine virtual event, OptiNAND combines Western Digital’s hard disk drive and flash technologies to
Reading Time-approximately: 4 minutesCache memory and RAM both place data closer to the processor to reduce latency in response times. Learn why one can be faster, along with other key variables in cache vs. RAM. By Garry Kranz, Jon Toigo and Stacey Peterson RAM and cache memory are both fast, volatile memory technologies that play a pivotal role in computing. So what’s the
Reading Time-approximately: 6 minutesThe NVMe protocol is tailor-made to make SSDs fast. Get up to speed on NVMe performance and how it compares to the SATA and SAS interfaces. By Robert Sheldon The NVMe protocol has become the industry standard for supporting solid-state drives and other non-volatile memory subsystems. NVMe speeds are substantially better than those of traditional storage protocols, such as SAS
Reading Time-approximately: 3 minutesHot plugging is the addition of a component to a running computer system without significant interruption to the operation of the system. By Ben Lutkevich Hot plugging a device does not require a restart of the system. This is especially useful for systems that must always stay running, such as a server. Common examples of hot-pluggable devices include hard disk drives (HDDs)
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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