Latest Technologies

What is RFID?

Radio-Frequency Identification (RFID) refers to a type of system that uses radio waves to wirelessly transmit data. It falls into the same “automatic identification technology” category as the bar codes you’ll find on supermarket products and the magnetic strips you’ll find on the back of credit cards. Just like a bar code or magnetic strip needs to be scanned in order to get the required information, an RFID device must be scanned to retrieve information as well. With the help of terminal emulation software, RFID systems are able to access powerful host computers while “out in the field”.

Comparison with bar codes

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All About IBM Big Iron

When you hear somebody use the term ‘Big Iron’, they’re probably referring to the IBM mainframes that rose to prominence in the 1960s. These computers are large, expensive and powerful, often taking up entire rooms with their own cooling systems. In the ’60s, large corporations in key industries such as banking, telecommunications and airlines began using the large scale computer system architectures commonly referred to as Big Iron, and these architectures continue to play an important role today. In this article we’ll look at the history of Big Iron, as well as how the traditional “green screen” terminals used to access them became obsolete, being replaced with user-friendly terminal emulation software.

IBM System/360

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