network programming pdf
Automating Manufacturing Systems with PLCs.pdf
Taken from PROGRAMMABLE LOGIC CONTROLLERS’s Introduction: Control engineering has evolved over time. In the past humans were the main method for controlling a system. More recently electricity has been used for control and early electrical control was based on relays. These relays allow power to be switched on and off without a mechanical switch. It is common to use relays to make simple logical control decisions. The development of low cost computer has brought the most recent revolution, the Programmable Logic Controller (PLC). The advent of the PLC began in the 1970s, and has become the most common choice for manufacturing controls.
PLCs have been gaining popularity on the factory floor and will probably remain predominant for some time to come. Most of this is because of the advantages they offer: Cost effective for controlling complex systems.
Flexible and can be reapplied to control other systems quickly and easily.
Computational abilities allow more sophisticated control.
Trouble shooting aids make programming easier and reduce downtime.
Reliable components make these likely to operate for years before failure.
Building a Rural Wireless Mesh Network: A do-it-yourself guide to planning and building a Freifunk based mesh network.pdf
In rural Africa a satellite link (VSAT) often provides the only possible way to connect a local mesh network to an upstream network provider offering global connectivity. Satellite links suffer from higher than normal latency and affect latency sensitive services such as telephony.
A PDA Enabled Wireless Interface for a Mobile Robot.pdf
This project describes a wireless application that allows remote control of a robot. The application adopts an object-oriented philosophy in which every robot is a device represented by an object. The application runs in a PC with a web server. The interface is done using common Java GUI’s.
A Buffer Overflow Study Attacks & Defenses.pdf
The aim of this pdf material is to present how buffer overflows work and may compromise a system or a network security, and to focus on some existing protection solutions.
Software Engineering.pdf
42 Lessons on Software engineering, taken from IIT Kharagpur’s Course Materials for free 
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