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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.
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
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Describe in brief how email system works Following is a simple description of how email system works: - Sender composes a message (and attaches a file if required) and send
Q. Explain the use of CRO for frequency measurement. Measurement of frequency: The frequency of the periodic signals is easily measured with a CRO. The frequency of a si
Explain DJNZ instructions of intel 8051 microcontroller? a) DJNZ Rn, rel Decrement the content of the register Rn and jump if not zero. b) DJNZ direct, rel Decreme
Define Time-Shifting Precedes Time-Reversing and Vice Versa Signal x[n] is time-shifted by m samples (delay in time) giving x[n - m]. This signal is then reversed at n = 0 givi
Q. Find the output voltage in terms of the input voltage? In order to illustrate the insensitivity of feedback circuits to variations of the op-amp parameters, let us consider
Electron congratulations
The mechanical power produced at the armature of a motor is: P = T a . (power is in watts if torque is N.m and in rad/sec). Some of this will be lost due to friction and
There is a limitation on the size of data. Most Microprocessor does not maintain floating-point operations.
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