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Describe 74LS139 memory decoder. The 74LS139 is a dual 2-to-4 line decoder. This contains two separate 2-to-4 line decoders - all with its address, output and enable connection
Q. Draw the logic diagram of an SR latch using only NAND gates, and obtain the truth table for that implementation.
Q. Describe the following phasor equations represented in the time domain: (a) ¯ E = K1e-¯ γz (b) ¯ E = K2e ¯ γz where z is the space coordinate, K1 and K2 are constants,
Application of PLC a. A PLC is used to start and stop the motors of a segmented conveyor beli. This allows only belt section carrying a copper plate to move. b.In aut
Explain the difference between a microprocessor and an embedded microcontroller
A capacitor is charged to 100 V and then discharged by a 50 kΩ resistor. If the time constant of the circuit is 0.8 s, verify: (a) The value of the capacitor, (b) The time
What are hard magnetic materials? Hard Magnetic materials- They have a slowly rising magnetization curve along with large hysteresis loop area and therefore large energy losses
Determine the number of bits of a natural binary encoder that works with the quantizer: a) If the extreme levels are ±3.1 V, with a step size of 0.2 V. (b) If there are 128 q
what is quantization noise
Q. What are the supplementary services? new services are called supplementary services and some of the prominent ones are as below: Category 1: Abbreviateddialling
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