Eduguru

DATA COMMUNICATION BASICS Data Communications is the transfer of data or information between a source and a receiver. The source transmits the data and the receiver receives it. Data communication involved the following like communication networks, different communication services required, the kind of networks available, protocol architectures, OSI models, TCP/IP protocol models etc. Data Communication … Read more

OPERATING SYSTEM BASICS An Operating system is basically a intermediary agent between the user and the computer hardware. Manages the computer’s resources (hardware, abstract resources, software) It’s a resource allocator. It is also used to control programs to prevent errors and improper computer use. It is interrupt driven. Users and Processes access the Computer’s resources … Read more

IT SECURITY SERVICES LIFE CYCLE The IT security services life cycle provides IT security decision makers and managers with a six phase process by which they can select, implement, and manage IT security services. This Topic details the various life-cycle phases and the issues and decisions within each phase.  the security services life cycle has … Read more

How Java Changed the Internet The Internet helped catapult Java to the forefront of programming, and Java, in turn, had a profound effect on the Internet. In addition to simplifying web programming in general, Java innovated a new type of networked program called the applet that changed the way the online world thought about content. … Read more

Development of the Internet of Things Today, there are roughly 1.5 billion Internet-enabled PCs and over 1 billion Internet-enabled cell phones. The present “Internet of PCs” will move towards an “Internet of Things” in which 50 to 100 billion devices will be connected to the Internet by 2020. Some projections indicate that in the same … Read more