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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 requests communicates along with the peripheral and the CPU, and gives memory addresses for data transfer. DMA controller generally used with 8088 is the 8237 programmable device.
The 8237 is actually a special-purpose microprocessor. Normally this appears as part of the system controller chip-sets. The 8237 is a 4-channel device type. All channels are dedicated to an exact peripheral device and able of addressing 64 K bytes section of memory.
8237 microprocessor
Give some applications of German silver. German silver is an alloy of zinc, nickel and copper. German silver is used in electrical measuring instruments.
Metallic Bonding In metals, the outer shell is filled through no more than three electrons (loosely bound and given up easily) => great chemical activity and very high elec
Project Garage door opener with password. Wrong password "door close" on lcd screen, correct password "door open" on lcd Screen no need the motor. Material used - Microcontroller
Q. A charge variation with time is given in Figure. Draw the corresponding current variation with time.
The goal of this project is to model a system and to design a controller for the system so that the closed-loop system performs satisfactorily.
How to design an Oscillator Circuit (500 MHz range) with no Op amps?
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Applications Platform: GIS applications should be capable to act as a base system over which the other business process application can be integrated which is the objective of
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