What is IBM's zEnterprise?

IBM has been creating "Big Iron" -- mainframes that act as database platforms for many of the world's biggest businesses -- for decades now. In the modern computing environment, mainframes remain as relevant as ever, even though the old hardware terminals have been replaced with terminal emulation software such as 3270 emulators. In this article, we'll look at the newest member of IBM's mainframe family, the zEnterprise.

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The Biggest Challenges Facing the Mainframe Industry

For years -- decades, even -- people in the IT industry have been predicting the death of the mainframe. Yet despite all the doomspeak, the mainframe's future remains bright. Enterprise-wide architecture like Business Integration and Virtualization, as well as zIIP, zAAP and IFL engines are all working to increase the potential of mainframes in a way that is just as exciting as when the mainframe first came out in the 1970s. While the old green screen terminals have been replaced with terminal emulation software, and while emerging cloud technologies continue to generate buzz, the mainframe remains the platform of choice for the majority of the world's Fortune 500 companies.

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Tech Timeline: A History of Computing

Tech Timeline: A History of Computing

Here we look at some of the most important events and inventions in the history of computing, from the humble abacus to mainframes, terminal emulation software, the internet and social media. It's a brief and information-packed timeline of computer history.

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Cloud Computing Cheat Sheet

The business world is full of buzzwords but none seem to be gaining more traction in recent times than "cloud computing". But what exactly is cloud computing? There seem to be so many different definitions of what it entails that pinning down an exact definition is extremely difficult. In this article, we'll help demystify the concept of cloud computing by looking at how it is implemented in practical situations: what types of cloud services are being offered and who is using them? We'll also discuss how cloud computing is in many ways, an extension of the mainframe terminals of the 1970s, as well as the role that 3270 emulation and other emulators still play today.

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