There are various characteristics of CMOS which are as follows −Noise Margin − The noise margin of CMOS logic ICs is significantly greater than that of TTL ICs. These circuits are available with a broad supply voltage range and the noise margin improves with the supply of voltage VCC.The noise ... Read More

The priority encoder is a circuit that executes the priority function. The logic of the priority encoder is such that two or more inputs appear at an equal time, the input having the largest priority will take precedence. The truth table of a four-input priority encoder is given in the ... Read More

Wormhole routing is a unique case of virtual cut-through, where the buffers at the intermediate nodes are the size of a flit. The network latency is equal to in virtual cut-through and thus autonomous of the communication distance.The advantage of wormhole routing over circuit switching and virtual cut-through appears in ... Read More

There are two basic problems to be solved in any scalable computer systems such as −Tolerate and hide the latency of remote loads.Tolerate and hide idling because of synchronization between parallel processors.Remote loads are unavoidable in scalable parallel systems that use some form of distributed memory. Accessing a local memory ... Read More

USB represents Universal Serial Bus. It is an industry-standard developed in the mid-1990s that represents the cables, connectors, and communication protocols used in a bus for connection, communication, and power supply among computer and electronic devices.USB operates at 12 Mbps with particular consideration for low-cost peripherals. It provides up to ... Read More

RS-232 is a standard communication protocol for connecting computers and their peripheral devices to enable serial data exchange. In simple terms, RS232 represents the voltage for the path used for data exchange between the devices. It determines the common voltage and signal level, common pin wire configuration and minimum, amount ... Read More

UART represents Universal Asynchronous Receiver Transmitter. It is dedicated to hardware related to serial communication. UART is one of the most generally used serial communication techniques. UART is being used in several applications like GPS Receivers, Bluetooth Modules, GSM and GPRS Modems, Wireless Communication Systems, RFID-based applications, etc.Functions of the ... Read More

Linear Pipeline ProcessorLinear pipelining is an approach that decomposes any sequential process into limited subprocesses, which are separate from each other so that every subprocess can be implemented in a unique dedicated segment and all these segments work concurrently. Thus the whole function is divided into separate tasks and these ... Read More

DMA represents Direct Memory Access. It is a hardware-controlled data transfer method. An external device can control data transfer. The external device creates address and control signals that are needed to control data transfer. External devices also enable peripheral devices to directly access memory. The external device which controls the ... Read More

Segmentation is another approach of allocating memory that can be used rather than or in conjunction with paging. In its purest form, a program is broken into multiple segments, each of which is a self-contained unit, including a subroutine or data structure.Unlike pages, segments can vary in size. This requires ... Read More