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A computer employs RAM chips of 256 x 8and ROM chips of 1024 x 8. The computer system needs 2K bytes of RAM, 4K bytes of ROM, and four interface units, each with four registers. A memory-mapped I/0 configuration is used. The two highest-order bits of the address bus are assigned 00 for RAM, 01 for ROM, and 10 for interface registers.
a. How many RAM and ROM chips are needed?
b. Draw a memory-address map for the system.
c. Give the address range in hexadecimal for RAM, ROM, and interface.
Realize the storage circuits for N1 and N2 as describe in the design specification.
A three-phase transmission line having a reactance of 120 ohms per phase is connected to a wye-connected load whose resistance is 160 ohms per phase. If the supply volatge is 70kV line-to-line, calculate a) The line-to-neutral voltage per phase.
Compare a lumped element model of a lossless transmission line (single L and C) with the distributed model. Use the following values for the transmission line in this comparative analysis.
Determine log10 0.2 = log10 18/90, and compare to log10 18 - log10 90.
The frequency response of an FIR filter is H(ejw)=b0+b1*e^-jw+b2*e^-2jw. In each case below, state whether the filter is highpass, lowpass, bandpass or band stop and draw the pole zero plot.
Determine the distribution of the number of customers waiting in the queue.
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 above ground level. Does this arrangement violate OSHA standards for fall protection? Explain.
A block error detecting code has a minimum distance of three. How many errors can this code detect and how many can it correct
What is the problem you are investigating and explain the issue, its history, the impact it makes locally
Calculate the output resistance of the device, dIC/dVC, for 0
An inductive circuit of 50 ohm resistance and 0.08H inductor are connected in series with a capacitor across a 200-V 50-Hz supply. The current is 3.8A leading. What is the value of the capacitor
Find the impulse response fpr the filter? How many nonzero terms does the impulse response contain?
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