Written by CompTIA certification and training expert Mike Meyers, this instructive, full-color guide will help you pass the CompTIA A+ exams and become an expert hardware technician. Mike Meyers' CompTIA A+ Guide to Managing and Troubleshooting PCs, Third Edition is...

Why should you learn about Linux? It’s a fast-growing operating system, and it’s inexpensive and flexible. Linux is also a major player in the small and mid-sized server field, and it’s an increasingly viable platform for workstation and desktop use as well. By understanding Linux, you’ll...

Go beyond your normal use of Moodle and make...

People use databases to organize and to manage their data. Oracle Database is the leader in the relational database management systems market, with a broad adoption in many industries. Using the best tool is not enough to be sure that the results of our efforts will be satisfactory—driving the fastest car in a Formula 1...

Hacking and electronic crimes sophistication has grown at an exponential rate in recent years. In fact, recent reports have indicated that cyber crime already surpasses the illegal drug trade! Unethical hackers better known as black hats are preying on information systems of government, corporate, public, and private networks and are...

The recognition that chemicals in food, whatever their origin, might present a risk to the consumer has long been recognised. However, early food regulations at the beginning of the century were primarily aimed at prevention of adulteration and fraud rather than directed at consumer safety. It is only in the second half of the century...

According to Wordnet, a rule is “a principle or condition that customarily governs behavior” or “a prescribed guide for conduct or action.” Businesses, and organizations in general, operate under a number of rules: rules about what services to offer and to whom; rules about how much to charge for those services;...