Here is a detailed comparison of the iPad and the tablet listing out their features. Sony and Samsung are coming up with new models to compete the ever greatest APPLE. Apple's new iPad has a raised bar on display whereas the Samsung and Sony are going with android latest versions. … [Read more...]
HUB A hub is a small rectangular box, often made of plastic, that receives its power from an ordinary wall outlet. A hub joins multiple computers (or other network devices) together to form a single network segment. On this network segment, all computers can communicate directly with each other. … [Read more...]
ROUTER A hardware device designed to take incoming packets, analyzing the packets and then directing them to the appropriate locations, moving the packets to another network, converting the packets to be moved across a different network interface, dropping the packets, or performing any other … [Read more...]
The OSI, or Open System Interconnection, model defines a networking framework for implementing protocols in seven layers. Control is passed from one layer to the next, starting at the application layer in one station, proceeding to the bottom layer, over the channel to the next station and back up … [Read more...]
Digital VLSI circuits are usually classifed into: 1) Synchronous Sequential Circuits 2) Asynchronous Sequential Circuits Synchronous Sequential Circuits If the transitions in a sequential circuit from one state to next state are controlled by a CLOCK, then the circuit is called synchronous … [Read more...]
Schmitt Trigger When an input signal to a digital circuit un-matches the characteristics of a digital signal it can have some sort of noise. This circumstance require a specialized circuit that will modify a signal and make it to actual or true digital shape. The required circuit can be said as … [Read more...]