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Write an assembly program that converts a string with four characters into an unsigned 16-bit integer. For example, a string "A23F" should be converted into an unsigned integer. Assume that the input string consists of only valid characters (0,... 9, A, B, C, D, E, F).
Design a multiplier based on the flowing pseudo algorithm where the multiplicand is A and the multiplier is B. P=0 : for i = 0 to n - 1 do if b(i) =1 then P=P+A ; end if; Left-shift A ; end for; a) design the complete datapath (architecture) of the..
Consider the penetration of a step potential function of height 2.4 eV by an electron whose energy is 2.1 eV. Determine the relative probability of finding the electron at the distance (a) 12 A beyond the barrier, and (b) 48 A beyond the barrier
A signal with Fourier transform F(jw) = 20/(4+jw) is passed through an ideal low pass filter whose cutoff frequency is 2 rad/sec (i.e., 0
A parallel-plate capacitor has plates of very large extent such that the electric field is perpendicular to the plates. The plates are separated by a distance of 1mm, and a voltage of 100 V is applied to them.
Design a low pass FIR filter for 10 kHz sampling, with a pass band edge at 2 kHz, a stop band edge at 3 kHz, and 20 dB stop band attenuation. Find the impulse response and the difference equation for the filter.
The bottom of the conduction band at one end of a silicon resistor is at the same energy level as the top of the valence band at the other end. What current flows through the resistor if the resistance is 1.12 kOhms
Consider a frequency-selective fading channel with total bandwidth 12 MHz and coherence bandwidth Bc = 4 MHz. Divide the total bandwidth into 3 subchannels of bandwidth Bc , and assume that each subchannel is a Rayleigh flat-fading channel
What are the techniques used to make feedback system stable? Explain and draw the frequency response of a 1-pole feedback amplifier.
Sven has decided to make and sell his grandmother's pasta. He rents a building for $600/month and pasta equipment for $300/month. The pasta costs $.20 /pound in raw materials to make . Sven can make up to 3000 pounds a month by himself.
A Si bar is 0.25 cm long and 500 ?m2 in cross-sectional area. It is grounded at x=0 and biased at +20V at x=0.25 cm. Find the resistance and the current at 300K (a) when the Si bar is doped with 2×1017 cm-3 arsenic
A Motorola 68000 microprocessor-based data acquisition system incorporates memory ( EPROMS and SRAMS), an Analog-to-Digital Converter (A/D), a Centronics Parallel Printer, and a very simple I/I Device made up of a single push-button switch.
1)Why BJT is called a bipolar and current controlled device 2)What are the different modes of operation in BJT and in which region it act as an amplifier 3)Why Emitter is highly doped ,base lightly doped and collector moderately doped
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