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1. Briefly describe salient features of the ASCII and EBCDIC codes in terms of their capability to represent characters and suitability for their use in different platforms.
2. What is a parity bit? Define even and odd parity. What is the limitation of the parity code when it comes to detection and correction of bit errors?
An unmanned X-43A scramjet test vehicle has achieved a maximum speed of Mach number 9.68 in a test flight over the Pacific Ocean. Mach number is defined as the speed of an object divided by the speed of sound.
there are two infinite lines, each carrying uniform charge density and they reside in free space located parralel to the z axis at x = -1 and x =1. determine E at an arbitrary point along the y axis.
What is a semiconductor? - How does it compare with a conductor and an insulator?
Design the base-emitter area of NPN BJT so that its transconductance gain is gm=2 A/V at VBE=0.70 V. The technological parameters are as folows: the emitter is heavily doped, the base doping is 5*1017cm-3,the base width is W=0.5μm
3) What is the RMS voltage of the source in a single loop series circuit if Irms = 1A-30° and Ztotal = 100 65° 4) What is the power dissipated by an electric heater with a resistance of 20? drawing a current waveform of i(t) = 10 sin(60t) Amps
A 3-bit binary counter counts for 0 (000) to 7 (111). The counter moves to the next state with an input of x = 0 and stays in the same state with an input of x = 1. a. Draw the State Table and State Diagram for this 3-bit binary counter.
How would you orient a loop antenna in order to obtain maximum signal from an incident electromagnetic wave which has its magnetic field linearly polarized in the north-south direction?
the hd cable signal send out is usually ranging between (1-25mv), with the frequency range from 1000Hz- 20Khz. An amplifier will gain 46 db will boost the signal before sending it through the cable connection.
Derive a transcendental equation for the resonant frequency of the dominant mode by writing the fields in the air- and dielectric-filled regions in terms of TE10 waveguide modes, and enforcing boundary conditions at z = 0, d - t, and d.
Find the impulse response fpr the filter? How many nonzero terms does the impulse response contain?
find the minimum required value of the maximum amplitude I0 of the current with which the transmitting antenna has to be excited. Assume the antennas to be lossless.
To transmit this signal by binary PCM without compression, uniform quantization is adopted. If the SQNR is required to be atleast 43dB, determine the minimum number of bits required to encode the uniform quantizer. Determine the SNR obtained with ..
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