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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.
Q. Describe the operation of 8279. And also explain following terms: (i) N key Roll over. (ii) Key board debounce. (iii) FIFO RAM. Ans: 8279 is a programmabl
Find the transmission bandwidth required of a data telemetry system that is to handle three different signals with bandwidths W 1 = 1 kHz, W 2 = 2 kHz, and W 3 = 3 kHz, by emplo
For Zero Flag JZ ( Jump on Zero) and JNZ ( jump on no zero ) Instruction JZ transfer the execution of the program to the speciffed address if zero flag is set (Z=
Dielectric: Insulator that is used among the two plates of a capacitance is called as dielectric. Electric field exists in the dielectric and the flux density depends on th
Metal-Oxide-Semiconductor Structure A traditional metal-oxide-semiconductor abbreviated as MOS structure is acquired by growing a layer of silicon dioxide (SiO 2 ) on top of
When delivering rated load a 10-kW, 230-V self excited shunt generator has an armature-circuit voltage drop that is 6% of the terminal voltage and a shunt-field current equal to 4%
Explain the significance of V number. Ans: V number or V parameter or normalized cutoff frequency is one of the parameter which is used to calculate the maximum number o
what is difference between dual trace and dual beam cro?
Achieving reforms goals using GIS applications: GIS could help in achieving the above reforms goals through various applications: • Creation of consumer database and cons
Explain how a p-n junction functions as a rectifier
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