Reading Time-approximately: 5 minutesData gravity can attract increasing amounts of data, and brings with it onerous management overheads. We look at how to mitigate data gravity in datacenter and cloud. By Stephen Pritchard When it comes to enterprise applications, access to data – and lots of it – is usually a good thing. And the greater the volume of required data held locally
Reading Time-approximately: 2 minutesLoad sharing and load balancing are two techniques that work to distribute traffic across a network. However, their methods of balancing differ significantly. Here’s how. By Andrew Froehlich Load sharing and load balancing both achieve the same goal of meeting application and service delivery requirements based on traffic load. When comparing how to achieve this goal from a technical perspective,
Reading Time-approximately: 2 minutesA motherboard tattoo is a colloquial term once used to denote an ID code that is written in the basic input/output system (BIOS) of a computer to uniquely identify the computer. By Gavin Wright This ID code is used to ensure that system restore, or diagnostic CDs will only work with the computer they come with. It is set by
Reading Time-approximately: 2 minutesA charge-coupled device (CCD) is a light-sensitive integrated circuit that captures images by converting photons to electrons. A CCD sensor breaks the image elements into pixels. Each pixel is converted into an electrical charge whose intensity is related to the intensity of light captured by that pixel. By Robert Sheldon For many years, CCDs were the sensors of choice in a wide range of devices, but they’re steadily
Reading Time-approximately: 5 minutesOrganizations in every industry can be targets of cybercrime for profit. Get expert advice on ransomware prevention, detection and recovery in our comprehensive guide. By Sandra Gittlen When it comes to security challenges, businesses of all sizes are alarmed by the abundance and gravity of ransomware attacks. Cybercriminals have targeted every industry with specialized malware, collecting untold amounts in ransom.
Reading Time-approximately: 2 minutesThe use of white space is what separates camel case and snake case. Camel case has none, while snake case uses underscores. Let’s review some examples to make this clear. By Cameron McKenzie Camel case and snake case stand at opposite ends of the variable naming convention spectrum. When multiple words are used to form a variable, camel case joins
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: 4 minutesThe most important and often overlooked criteria when evaluating data centers is power. In this article, we will examine all of the important power terminology and calculations that you need to know before starting your colocation project. Courtesy Post: By Bob West There are many considerations when selecting a data center facility or colocation provider such as location, security, and support.
Reading Time-approximately: 4 minutesTRIM is a command for the ATA interface. As you use your drive, changing and deleting information, the SSD needs to make sure that invalid information is deleted and that space is available for new information to be written. Trim tells your SSD which pieces of data can be erased. By Carol Sliwa SSD TRIM is an Advanced Technology Attachment
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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