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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.
What are program invisible registers? The global and local descriptor tables are determined in the memory system. So as to access and give the address of these tables, the prog
Loudspeakers using single driver are unable to cover the entire frequency band from low frequency to high frequency. Sometimes multiband frequency is required for the bass enhancem
What is the difference among 8085 and 8086 in microprocessor? Ans) 8086 has a special concept known as memory segmentation. It permits parallel processing, whereas 8085 does no
What is ideal and real sources? Source conversion? Nodal voltage method for d.c circuit?
Power Supply and Clock Frequency there are following pins for power supply and clock frequency signals. V CC + 5 V power supply. V SS Ground reference X 1
Electronic signals are used by almost all measurement and control systems to transfer information. Much of this data is in the form of analogue voltages, which are prone to the ef
1. The voltage across a 1 - μF capacitor is given. Which is the sinusoidal expression for the current? a) 30 sin200t b) 70cos (800t - 20°) 2. At what frequency will the re
Explain temperature dependence of electrical conductivity and resistivity in conductors. When the temperature is increased, there is a greater thermal motion in atoms that redu
Explain and drive the expression for fixed bias and potential divider.
Question: a). Draw the energy diagram of a pn junction: (i) at thermal equilibrium, (ii) when a forward bias with magnitude half the built in potential (V = φk/2) is applie
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