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Explain isolated I/O scheme.
In I/O mapped I/O scheme the addresses allocated to memory locations can also be assigned to I/O devices. Because the same address may be assigned to an I/O device or a memory location, the microprocessor should issue a signal to distinguish when the address on the address bus is for an I/O device or a memory location.
Define the DMA controller interface. A DMA controller interfaces along with a few peripherals which may request DMA. The controller chooses the priority of simultaneous DMA req
Explain the function of the pins PSEN and EA of 8051. PSEN: PSEN stands for program store enable. In 8051 based system in which an external ROM holds the program code, this pin
(a) Carry out a topological analysis for the circuit shown in Figure 1. (i) Construct a graph for the circuit (ii) State the different trees you can choose. (b) Us
Q. Use of N-channel JFET? Generally, N-channel JFETs are more commonly used than P-channel. With no voltage applied between gate and source, the channel is a wide-open path for
Bad Workmanship Bad workmanship contributes importantly towards increasing distribution losses. Efforts should, thus, be made to have the best probable workmanship. In this co
Q. Show Applications for DC Machines? Dc motors find wide applications in which control of speed, voltage, or current is essential. Shunt motors with constant speed are used fo
can i use the direct solar energy from solar plate to charge my laptop without a battery
I would like to know the materials needed for electrostatic sprayer.
Stack Operation Stack is a group of memory locations which are part of the same read write memory used for storing data temporarily during the execution of the progra
UniJunction Transistor: (abbreviated as UJT), also called the double base diode, is a 2 layer, 3 terminal solid state switching device. The device has a unique characteristi
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