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Q. What is the basic working of Decoders?An n-bit binary code is capable of encoding up to 2n distinct elements of information. A decoder is a combinational network that decodes (converts) the n-bit binary-coded input to m outputs (m ≤ 2n). The block diagram of a 3-bit to 8-element decoder is shown in Figure (a), wherein the three inputs are decoded into eight outputs, one for each combination of the input variables. In the truth table shown in Figure (b), observe that for each in- put combination, there is only one output that is equal to 1 (i.e., each combination selects only one of the eight outputs). The logic diagram of the 3-to-8 decoder is shown in Figure (c).
Decoding is so common in digital design that decoders are commercially available as MSI (medium-scale integration) packages in the form of 2-to-4, 3-to-8, and 4-to-10 decoders. Integrated circuits for decoders are available in different forms.
Q. Error speci?cations on a 10-A digital ammeter are given as 0.07% of the reading, 0.05% of full scale, 0.005% of the reading per degree Celsius, and 0.002% of full scale per degr
Q. Use (a) mesh analysis and (b) nodal analysis to determine the current through the 4-resistor of the circuit of Figure.
In the circuit shown below, the capacitor initially has a voltage across it 4 Volts (at t = 0). a. Write down the expression for V C (t) when the switch is closed. b. Writ
Q. Show the Dialling Circuit? Dialling circuit enables subscriber to output signals representing digits, and this enables caller to enter destination telephone number. Dialling
A system contains an amplifier with a gain of 10 offering the armature voltage for a motor which provides an output speed which is proportional to the armature voltage, the constan
Q. Three identical single-phase transformers are to be connected to form a three-phase bank rated at 300 MVA, 230:34.5 kV. For the following configurations, determine the voltage,
What are the Disadvantages of using robots - They can find it difficult to deal with 'unusual' circumstances for example a door is missing from a car waiting on the paint spra
Q. For given asymptotic Bode plots. (a) Find ¯H 1 , ¯H 2 , and ¯H 3 at ω = 5 rad/s. (b) At what angular frequency ω is the magnitude of ¯H 4 (jω) one-half of the magnitude o
why very high resistance wire is used is field windind and low resistance wire is used in armature winding in DC shunt machine?
a. Explain State Transition Diagram and define the various SDL symbols used in state transition diagram. b. Draw the signal exchange diagram for a local call used to show the se
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