Serial Port Communication Serial communication is the process of sending data one bit at a time, sequentially, over a communication channel or computer bus where as in case of parallel communication, where several bits are sent as a whole, … Continue reading
PARALLEL PORT Parallel port is the mostly used for interfacing line printers. It was introduced by IBM in early 1980′s. Earlier there was no standard defined for parallel port interfacing. Every company has their own standards for interfacing parallel port. … Continue reading
Introduction To THREADS Threads, like processes are a mechanism to allow a program to do more than one thing at a time. In Linux when a process is created, it already contains a thread, used to execute the main() function. … Continue reading
Character Driver Device drivers are building blocks of a OS. In Linux there are three types of device driver i.e. Character Driver Block Driver Pipes Driver Device driver are used to make hardware do a specific job with some … Continue reading