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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
this is my final year project and i need help on how to about it.
Explain the basic working principle of ultrasonic machining with the help of diagram. What are the different kinds of tool materials explain, tool holders are used in ultrasonic
emitter followers regulator
There are zillions of things in electronics known as encoders. You can look up LCDs and NAND gates as well and this is actual basics.
just to put an assignment Give only short details that are important Specially bised clamper
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Design a logic circuit when to provide an output when any two or three of four switches are closed.
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