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Explain the various modes in which DMAC works.
Working of Direct memory access controller:
The modes of operation has demand mode, block mode, single mode and cascade mode. Demand mode transfers data till an external EOP is input or till the DREQ input becomes inactive. Particular mode releases the HOLD after all byte of data transferred. Block mode automatically transfers the no. of bytes specified by the county register for the channel. Cascade mode is used while more than one 8237 is present into a system.
Power in Balanced Three-Phase Circuits The total power delivered by a three-phase source, or consumed by a three-phase load, is found simply by adding the power in each of the
Q. A current i(t) = 20 cos(2π × 60)t A fows through a wire. Find the charge flowing, and the number of electrons per second that are passing some point in the wire.
The base of isosceles triangle and the altitude drawn from one of the congruent sides are equal to 18 cm and 15 cm, respectively. Find the lengths of the sides of the triangle.
explain the application of the Si,zener,and LED diodes
Discuss DOS function call with one example. DOS function call: So as to use DOS function calls, always place the function number in register AH and load all other pertinent
Q. "Developing countries could delay opening the capital account until the domestic financial system is strong enough to withstand the sometimes flow of world capital and violen
Connect the TTL output (square wave) of the "Audio Oscillator" to the "Scope Selector". Adjust the frequency of the square wave to 2 kHz. Observe and record the time domain pict
Edge detector Apply the Canny edge detector to image class.png. To compute Canny edges: help edge edge(im,'canny',[thres1 thres2],sigma) (i) Compute edges for
write a short notes of thermal compansation?
Q. What do you mean by Companding? Companding is the process of compressing and expanding. It comprises compressing the signal at the transmitter and expanding it at the receiv
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