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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.
Q. Sketch the timing diagram for a 4-bit ripple counter which uses T flip-flops.
In the conventional dc machine (with a closed continuous commutator winding on its armature), for example, full-wave rectification of the alternating voltage induced in individual
A three stage switching structure is to accommodate N = 128 input and 128 output terminals. For 16 first stage and 16 last stage, verify the number of cross points for nonblocking.
Diode current: Zener region: when the reverse biased voltage is increase to a very high value then a point is reached where will is suddenly going a very high value. Th
Q. For the 4-bit D/A converter of Figure, calculate: (a) The maximum analog output voltage. (b) The minimum analog output voltage. (c) The smallest detectable analog outpu
Q. What is a differentiator circuit? By introducing electrical reactance into the feedback loops of op-amp amplifier circuits, we can cause the output to respond to changes in
Q. Classify switching systems. In what way is stored program control superior to hard wired control? Ans: Classifications of switching systems are givenin block diagram belo
explain a basic measurement system
application and demerits
The constants of an amplifier are given by A = 1, R i =10,000, and R o = 100. It is driven by a Thévenin source with v Th (t) = V O cos ωt and R Th = 20,000 . The amplifier o
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