Archive for February 13th, 2018

SCADA Systems

Posted by 13 February, 2018 (0) Comment

This is a computer system used to monitor and control processes related to infrastructure, industry or based in a facility. These systems usually consist of four subsystems that include the Human – Machine Interface, Remote Terminal Units, Programmable Logic Controller and Communication.

SCADA systems are usually confused with Distributed Control Systems but the difference is that processes are not controlled in real time. Changes in the networking technology have an effect on these systems with protocols based on TCP/IP and Ethernet replacing older standards.

SCADA

These systems are popular because there is more convenience when viewing processes from remote areas. The change solutions that are more standardized and open and increase in internet connections, have made SCADA systems more prone to attacks.

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History of Cell Phones

Posted by 13 February, 2018 (0) Comment

Almost everyone in the world is using a cell phone of some kind or if not using, you most likely know about them. Most people, however, do not know that cell phones have a long history and it is only the way they are used and the technology employed which has been changing.

Cell PhonesThis website explores cell phones and how they came about. The history of cell phones is given and they have described them in categories of Pre-Mobile phones, First Generation Cell Phones, Second and Third Generation Cell phones. The use and make of cell phone is bound to change as new technology is invented and the information on this can be found under the Future of Cell phones.

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