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What do you understand by DRAM and its refreshing?
Dynamic RAM (DRAM) is fundamentally the same as SRAM, but this retains data for only 2 or 4 ms on an internal capacitor. But after 2 or 4 ms, the contents of the DRAM should be fully rewritten (refreshed) since the capacitors that is store logic 1 or logic 0, lose their charges. The whole content of the memory is refreshed with 256 reads in a 2-to-4 ms interval. Also refreshing occurs throughout a write, a read or a particular refresh cycle.
With the use of clocked JK flip-flops, draw and explain the working principle of a 3-bit binary ripple counter.
Q. A certain 10-hp, 230-V motor has a rotational loss of 600 W, a stator copper loss of 350 W, a rotor copper loss of 350 W, and a stray load loss of 50 W. It is not known whether
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To do the basic laboratory experiments related to the electrical engineering course, students need to have some basic understanding about the measuring tools, apparatus, components
Explain the hysteresis loop of a magnetic material. Hystereses loop-Below the Curie temperature all-ferromagnetic materials show the identified hysteresis in the B (i.e. flux
operation of Shaded-pole motors
What are the two modes of operations present in 8086? i. Minimum mode (or) Uniprocessor system ii. Maximum mode (or) Multiprocessor system
Q. The self and mutual inductances of a machine with two windings are given by L 11 = (1 +sin θ), L 22 = 2(1 + sin θ), and L 12 = L 21 = M = (1-sin θ). Assuming θ = 45°, and le
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Organisational Trends: 1 Organisations are economic and social entities in which a number of persons perform multifarious tasks in order to attain common goals. Four key organ
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