Telephone Systems – An Overview On Operating Principle

A Telephone system is a communication instrument that transmits any voice / sound signals to far by locations by converting these sound signals in waves and receives and reconverts the same waves into sound signals/ voice. The telephone network is extended universally so if you want to talk to someone, you simply need to pick…

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The Telephone – A Brief History

During the 1870’s, two well known inventors both independently designed devices that could transmit sound along electrical cables. Those inventors were Alexander Graham Bell and Elisha Gray. Both devices were registered at the patent office within hours of each other. There followed a bitter legal battle over the invention of the telephone, which Bell subsequently…

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What is a PABX and How Does it Work?

The acronym PABX stands for Private Automatic Branch Exchange, which is basically just another term for a telephone system, also known as a switchboard. These units are usually used as an internal telephone system in offices. PABX systems will often have a lot of internal lines connecting to one main switchboard. The reason that the…

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Role of Decision Support System For Decision-Making Process in Global Business Environment

Decision Support System: A Decision Support System is an integrated set of computer tools allowing a decision maker to interact directly with computer to retrieve information useful in making semi structured and unstructured decisions. Example of this decisions include such things as merger and acquisition decisions, plant expansion, new product decisions portfolio management and marketing…

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The Importance Of Cell Phones In Modern Society

Cell phones have become a necessity for many people throughout the world. The ability to keep in touch with family, business associates, and access to email are only a few of the reasons for the increasing importance of cell phones. Today’s technically advanced cell phones are capable of not only receiving and placing phone calls,…

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The Value of Written Communication

Have you ever stopped to consider the value associated with written communication? While our society has become so driven by the visual and the verbal, it is written communications that provide daily direction to us as individuals and to our society as a whole. Consider these elements of value provided by written communication: • Written…

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3 Principles For Improving Human Relations

Relationships among employees, supervisors, and co-workers can be improved immediately. By following three simple principals in your dealings with others, you can put more quality into your-and employee's work life. Three basic principles that can be followed to enhance relationships among employees, co-workers, and supervisors are: Be quick to listen, slow to speak, and even…

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What’s the Difference Between DS3 and T3 Bandwidth?

Do not be confused about the difference between DS3 and T3 circuits. These terms are really synonymous. Instead you should focus on what they can do for you … and the best scenarios for application. Digital Signal (DS) is a system of classifying digital circuits according to the rate and format of the signal (DS)…

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Basic Components of Cellular Systems

1. Introduction There are various cellular systems in the world, such as the GSM and CDMA. The design of these cellular systems are complicated but the architecture of most cellular systems can be broken down into six basic components. In this article, I will illustrate the six basic components that can be found in most…

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