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Q. Explain Cathode-ray tube?
While the CRT display is one of the oldest, it still remains one of the most popular display technologies. The raster-scanned display devices work similarly to commercial television sets, whereas graphics display devices use different technologies to achieve extremely high resolution. A CRT video signal has only two levels, with a 0 level causing a dark spot and a 1 level causing a bright spot. The appropriate combination of 1s and 0s displays data on a CRT screen, with each character displayed by dot-matrix displays, typically in 5 × 7or7 × 9 display fonts.
How is 8255 (Programmable Peripheral Interface) configured if its control registercomprises 9B h. Ans 9BH => 1001 1011 => b6b5=00-> Mode0 b4=0-> Port A as
Q. What is balanced discriminator? A balanced discriminator with the corresponding frequency characteristics is depicted in Figure. The rising half of the frequency characteris
Voltage and Frequency Control Methods In this control method the ratio of voltage to frequency is kept constant so that the flux remains constant. The voltage at varia
Seal Management - Meter Field Testing For an effective seal management system it is necessary that: i) The seals used are tamper proof, that is they cannot be remo
A three-phase, 400-V, wye-connected induction motor takes the full-load current at 45 V with the rotor blocked. The full-load slip is 4%. Calculate the tappings k on a three-phase
algorithm for Reversing the digits of an integer
Develop a PSpice program and use PROBE to obtain Bode plots of the magnitude and phase of the transfer function ¯V out / ¯V in for the high-pass ?lter circuit shown in Figure (a)
From a source with P in = 2.4 mW, we want to get P out = 60 mW at a distance l = 20 km from the source. α for the transmission line is given to be 2.3 dB/km. The available amplif
Q. What do you mean by Sequential Blocks? Neglecting propagation delays, which are measures of how long it takes the output of a gate to respond to a transition at the input of
The dielectric constant of air is practically taken as (A) more than unity. (B) Unity. (C) less than unity. (D) Zero.
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