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Q. Explain how LEDs are arranged in a seven segment display ?
The illustration given below shows the basic layout of the segments in a seven- segment display. The segments themselves are identified with lower-case letters "a" through "g," with segment "a" at the top and then counting clockwise. Segment "g" is the center bar.
Most seven-segment digits also include a decimal point ("dp"), and some also include an extra triangle to turn the decimal point into a comma. This improves readability of large numbers on a calculator, for example. The decimal point is shown here on the right, but some display units put it on the left, or have a decimal point on each side.
Seven-segment displays can be constructed using different technologies. The three most common methods are
1. fluorescent displays (used in many line-powered devices such as microwave ovens and some clocks and clock radios)
2. liquid crystal displays (used in many battery-powered devices such as watches and many digital instruments)and
3. LEDs (used in either line-powered or battery-powered devices).
You are given a binary image consisting of only zeros and ones, see image-A. Apply required morphological operations and give the output images on the grid.
Q. Determine voltage and current gains for the CE BJT amplifier shown in Figure with the following parameters: R 1 = 30,000, R 2 = 9000 ,R C = 750 ,R E = 250 , R L = 1000
1. Suppose the California government sets aside a square patch of land that is 10 kilometers on each side and plans to use this land to generate electrical power with wind turbines
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It has been known for a thousand years or more (originating in China) that certain (magnetic) materials would always orientate themselves in a particular direction if suspended
Referring to Figure, let boxes 2, 3, and 5 consist of a 0.2-H inductor, a 5- resistor, and a 0.1-F capacitor, respectively. Given A = 5, and v 1 = 10 sin 10t, i 2 = 5 sin 10t ,
A button does some command in a program when it is clicked. Buttons generally have a 3-dimensional look, although you may have to move the mouse over the button for it to look 3D.
Q. Find v o in the circuit shown in Figure by using the ideal op-amp technique.
when MT 2 and Gate is Negative In this case gate current flows through P 2 N 3 junction. Junction N 1 P 2 forward biased hence the triac starts conduction through P
Explain the difference between a microprocessor and an embedded microcontroller
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