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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.
Step Up Chopper In this chopper average output voltage is greater than input voltage. The circuit different mode of operation and current waveforms are show. When
The observations from these experiments led to 'The Laws of Electromagnetic Induction' 1) 'If the magnetic flux threading through an electrical circuit changes, then an e.m.f.
A synchronous motor with a synchronous reactance of 12 ohms is operating with a current of 100 A at unity power factor supplying power to a large compressor. The phasor diagram for
What do these 8086 instructions do? STD-Set Direction Flag. when the instruction is implemented ,the direction flag of 8086 is set to 1. IRET-Interrupt Return. This instruc
With the development of cheap and reliable operational amplifiers the need to design amplifier circuits has disappeared. However it is still necessary to utilise these devices in a
What are the basic operations of a computer? The basic operations are READ and WRITE.
angle of (1/1-ae^-jw)
what is peak inverse voltage?
Low and high resistivity materials and their applications
Working and block diagram
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