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A ubiquitous example of serial data communication is the cable linking a keyboard to a personal computer: for every key switch pressed, an ASCII character is transmitted to the computer. An interesting characteristic of this particular communication protocol is the random rate at which the ASCII characters are sent. Because the characters are generated at the rate the computer user happens to type, the rate is completely unpredictable. Consequently, this form of serial data communication is known as asynchronous. Compare and contrast this against synchronous serial data communication, giving an example of a synchronous data communications standard.
A gaseous mixture containing 50 mol% hydrogen and 50 mol% acetaldehyde (C2H4O) is initially contained in a rigid container at a total pressure of 760 mmHg absolute. The formation of ethanol occurs according to C2H4O + H2 C2H6O.
A painter is standing on a work platform that is 27 feet above ground level. For fall protection, the worker's safety harness D-ring is attached to a 12-foot shock absorbing lanyard that is securely fastened to the structure at a point 40 feet abo..
The battery is built by connecting several unit cells in series. Each unit cell has the voltage V1=1.4 V and the internal resistance Ri = 3.2 Ohm; 1) How many unit cells in series must the battery use to have the open-circuit voltage Vo.c. = 11.2 V
The gain of the antennas must be increased when the TDMA system described in part (d) is used because the bit rate is higher than with FDMA and the noise power in the receiver is therefore higher
Once the voltage across the load reaches 5V the load will no longer act as an open circuit and the capacitor will discharge. Once the load voltage has droped to 0.2 the load will act as an open circuit and the capactior will begin to charge once ..
Why do you think we need both rectangular and polar forms. There still seems to be some confusion about the relationship between R, Xc, OR XI and the phase angle. Take a value for R and a value for XC that is ten times smaller than R and find the..
Create a flowchart and pseudo-code for generating a report that prints all of the movies, with all movies made by the same director on one page, as well as the number of movies by each director.
Bipolar Junction Transistor, A silicon n-p-n bipolar junction transistor is designed with emitter, base and collector doping levels of 10^19cm, 10^15cm and 5*10^17cm, respectively.
Calculate the inductive reactance per meter of a single-phase, 50-Hz, two-wire transmission line. Assume each conductor's radius is 6cm and the distance between the two conductors is 3m.
If R2 = 2R1, R3 = 3R1 and the total power taken by the circuit is 480 watts. Calculate the power in each resistor
A junction employs Nd = 8x 10^17cm^-3 and Na= 2 x 10^ 17 cm^-3. The device is at 300K. (a) determine the majority and minority carrier concentrations on both sides (b) Calculate the built-in potential at (i)T=250K (ii)300K
What resistance must be connected in series with a heater rated at 150mA with hot resistance of 320 ohm in order to operate it safely from a 117-V source. What power rating must this resistor have
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