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1. There are 4 main classes of network topologies, what are they?
2. In communications over a network, protocols are required. What is the framework or reference model that makes this possible?
3. What makes up this framework?
4. What company is credited with developing what is known today via IEEE 802.3 as Ethernet?
5. What other companies joined in to promote its use and when?
6. In its initial incarnation what network topology did it employ?
7. What extension of the IEEE 802.x standard gives rise to the wireless standard we call WiFi?
A truncated cone has a height of 50cm. The circular faces on the top and bottom have radii of 20 mm and 1mm, respectively. If the material from which the solid cone is constructed has a conductivity sigma of 2 x 10^6 S/m.
Moore sequential circuit, A Moore sequential circuit has one input and one output.The output goes to 1 when the input sequence 111 has occurred and the output goes to 0 if the input sequence
Received power of half-wave dipole antennas, Assume that two antennas are half-wave dipoles and each has a directive gain of 3dB. If the transmitted power is 1W and the two antennas are separated by a distance of 10 km, what is the received power?
At the receiver, demodulate the double side band signal S(t) = [cos(90*pi*t) + cos(120*pi*t)] * [cos(400*pi*t)], with the local carrier cos(400*pi*t). Design a low pass filter to suppress the carrier and plot the amplitude spectrum of S(t)
When the piston is at its bottom dead center, the gas is initially at 10 psig, 65°F, and 10.5 in 3 . After compression and when the piston is at top dead center, the gas is 180°F and occupies 1.5 in 3 . What would be the new pressure of the gas in..
An amplifier with a voltage gain of +30db, an input resistance of 8 k ohms, and an output resistance of 2 k ohms is used to drive a 2 k
A digital communications system is being designed with the goal of transmitting 32 kbits/s over a channel having a bandwidth of 8 kHz. Determine (a) the number of encoding levels required and (b) the minimum signal-to-noise ratio required in the c..
Write a program to find the sum of the elements of an array called list1. The size of list1 is four bytes. The values of list1 are $FF, $1, $FE, and $02. To check your work, the sum should become $0200.
What is the memory layout of the 16-bit value, 0x7654 in a big-endian 16-bit machine.
A 60-Hz, single-phase transmission line has a length of 80 miles. Its shunt conductance (G) is 3.4A1011 S/mile, resistance (R) is 0.1 OHMS/mile, capacitance (C) is 16 pF/mile, and inductance (L) is 0.56 mH/mile.
You deposit 10% of your annual salary at the each of each year in a retirement account. F= Future worth A1= first annual deposit n=number of years g=geometric gradient F=A1(1-(1+g)^n(1+i)^-n/(i-g))(1+i)^n use Matlab to graph the function.
Each subconductor's radius is 10 cm. There are two configurations, the first one is setting subconductors A and B as a bundle, and C and D as another bundle; the second is setting subconductors A and C as a bundle, and B and D as another bundle.
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