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Buffer
A buffer is a logic circuit that amplifies the current or power. Basically it is used change the driving capability of a logical circuit. Therefore it is sometimes referred as drive. A simple buffer and tri state buffers (active high and active and low ) are shown in figure.
A tri state buffer if enabled provided the same logic level of the output as that of input i ,e if input is at logic 1 then it provides logic 1 output.
Structure and use of PNP transistor: The figure opposite is a schematic presentation of a PNP transistor related to two voltage sources. To construct the transistor conduct ap
A 3-phase, wye-connected, 11.8 kV, 100 MVA turbo- generator of 0.8 power factor lagging has a synchronous reactance of 2.0 p.u. on rating. The generator is driven by a steam turbin
Define temperature coefficient of resistance. Temperature coefficient of resistance is explained as the change in resistance of a material per ohm per degree change in temperat
(a) Show Diode as a half wave rectifier. Determine efficiency and Ripple factor of the half wave rectifier. (b) Write short note on LED. Briefly explain : (i) Positive cli
Q. Which Steps are used for the procurement? a. Initially, an introductory letter may be sent addressed to The Head, NRSA Data Centre, National Remote Sensing Agency, Balanagar
how does synchronous machines operate
Carry Flag CY is reset as explained above. ( in chapter 1 we have sen in the 2 complement methods of subtraction that the carry is set when the result is positive. He
Question: a) Differentiate between Asynchronous message passing and Synchronous-message passing. b) If keyboards are the predominant means of interface to human input, the
Q. What do you mean by Sign Bit? The sign bit is like simple as it gets 0 denotes a positive number and 1 denote a negative number and flipping the value of this bit flips the
What is the difference between the shifts and rotate instructions? A rotate instruction is a closed loop instruction. That is, the data moved out at single end is put back in a
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