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HALF-ADDER:
S = XY' + X'Y , C = XY (These are the outputs)
1. From the equation given for half-adder, develop an equation for which the half-adder can be constructed just with NAND gates. Draw the circuit as per the equation obtained.
2. Explain with reasons and necessary boolean equations why it is easy to construct adder circuits with XOR gates.
Which one of the following statements is correct?
Control Systems: Operation of a PID, Which one of the following statement regarding to operation of a PID is true?
Why can't a video signal such as an NTSC analog television signal be transmitted over a two km length of loaded twisted pair cable with a frequency range 300 Hz to 3,400 Hz? What is the bandwidth occupied by an NTSC video signal?
A baseband sine wave signal with frequency 4.0 kHz is modulated onto a carrier at 1.050 MHz using DSB-LC AM. What are the frequencies of the sidebands of the RF signal?
In 1988, the average wage rate was $9.45 an hour and in 2008 the average wage rate was $18.00 an hour. The CPI in 1988 was 118.3 and in 2008 it was 215.3 . Which real wage rate is higher?
The line is terminated in a load RL = 25 ohm. Use the bounce diagram to plot V(t) at a point midway along the length of the line from t = 0 to t = 25 ns.
Design a common-emitter BJT amplifier with a gain of -100 (well above 3dB point) and a 3dB point at 100Hz. Assume beta = 100, Ic (quiescent) = 1mA, Vcc=20V. You can omit the output capacitor, but should bypass your emitter resistor.
determine power and limiting error of the power?
Using the message signal m(t) = 1/(1+t^2) , determine and sketch the modulated signals for the following methods of modulation: (c) SSB modulation with only the upper sideband transmitted. (d) SSB modulation with only the lower sideband transmitted.
The system uses a 7-cell reuse pattern. If the offered traffic per user is 0.03 Erlangs and the average number of calls per hour per user is 1.5, for an Erlang-C system with a probability of delaying a call being 5%, calculate the traffic load per..
Instead of recreating the design every time we change the instruction ROM, we want to have a way to change the instructions while the system is running. Discuss how the UART can be used to fill an instruction RAM instead
Determine the Laplace transform of f(t) = +5e^-4t + 12sin 3t. If the voltage across a 2 F capacitor is initially zero, what is the instantaneous power if the current is A?
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