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systems analysis and design

Questions and Answers of Systems Analysis And Design

Consider the following execution of six transactions. What actions are needed during recovery for each of the transactions? T2 T6 checkpoint T3 T1 F I T4 T5 failure
For the following graph find the minimum number of colors for the edge coloring process.
For the following 4 × 4 mesh find the corresponding propagated pressure of each node.Assume that a node is considered lightly loaded if its load is less than 2. 23 9 7 5 8 00 8 13 10 11 7 6
Use Stone’s flow network approach to find an optimal schedule of the following graph to a two-processor system. (3.-) 4 3 DO 8 (4,8) 9 (7.4) 6 (2.7) 5 (-, 8)
Find an optimal schedule of the following task precedence graph to two processors. Assume that the execution of each task is one unit. T9 T10 T11 T7 T8 T15 T6 T14 T4 T5 T13 TI T2 T120 T3
Find an optimal schedule of the following tree-structured task precedence graph to two processors and three processors. Assume that the execution of each task is one unit. TI T2 T3 T4 T5 T6 T7 T14
Determine a deadlock-free routing scheme in the following interconnection network.
Generalized hypercubes (GHC) consist of n m× n m-1× . . . n 1nodes represented as (i m, i m-1, . . . . , i 1), 0 £ i k £ n k- 1.Two nodes (i m, i m-1, . . ., i 1) and (j m, j m-1, . . . j 1) in a
(a) Provide an addressing scheme for the following extended mesh (EM) with additional links.(b) Provide a general shortest routing algorithm for EMs.
For the following reachability graph of a Petri net, find the status of each state. Status can be deadlock, deadlock-bound, safe, unsafe, critical, etc. non deadlock end state 10 11 deadlock end
Convert the following resource allocation graph into a wait-for graph. PL 2 P4
Determine if there is a deadlock in each of the following wait-for graphs assuming the OR model is used. (a) (b)
Determine if there is a deadlock in each of the following resource allocation graphs. PI rl 12 Pl (a) 13 P3 rl P3 (b) 12 P2
Show the resource allocation time for each of the five processes in the table below.when (a) the wait-die scheme is used, and (b) the wound-wait scheme is used.We assume that priorities among the
In the bidding algorithm, is it possible to define the decision function as n k = = IIb, mod n + 1?
To apply Chang and Roberts’ election algorithm to a hypercube one can first generate a spanning ring in the given hypercube (see the figure below for a 3-dimensional hypercube example.)Assume that
Suppose the request sets of a six-process system are the following:What is the potential problem for the above arrangement? R (P1, P2, P3, P4, Ps, Pe} R: {P1, P3} R3: {P2, P3} R: {P, P} Rs: {P2, P3}
For the distributed system shown in the figure below.(a) Provide all the pairs of events that are related.(b) Provide logical time for all the events using (i) linear time, and (ii) vector time
Represent the following precedence graph using the concurrent statement and the sequential statement in DCDL. $2 S S Sg 56 $4 5.
Find all the statement pairs that can be executed concurrently. S: a=x+2 S2: b = y +2 S3: y = c +1 S4: c = x+y+b
You are required to evaluate a polynomialDesign a DCDL algorithm with n processes. Assume that initially P i (0 £ i ao+ax +
Implement the following recursive equation using DCDL:That is, f(4) = f(1) × f(3), f(5) = f(4) × f(4), f(6) = f(3) × f(5), f(7) = f(6) × f(6), etc. You are required to use one process P i in
Convert the following program to a precedence graph: S1; [[S2; S3||S4; S5 ||S6]||S7]; S8
Convert the following DCDL expression to a precedence graph.Use fork and join to express this expression. [S || S2 || S3]; S4 ]]
Non-inverting Summer A non-inverting summer interface device is shown in Figure P3–99. Of importance is that the input to the device has infinite resistance – i.e. no current flows into the
Maximum Power Transfer Using OrCAD Figure P3–98 shows a circuit with two sources, a fixed load and a resistor R. Select R for maximum power transfer to the load.The result is not an obvious one.
, Analysis of Competing Interface Circuits Using MATLAB.Figure P3–97 displays two generalized interface circuit designs. In both circuits, resistors R1 and R2 connect a Thevenin equivalent circuit
Design Interface Competition.The output of a transistorized power supply is modeled by the Norton equivalent circuit shown Figure P3–96. Two teams are competing to design the interface circuit so
Design Evaluation A requirement exists for a circuit to deliver 0 to 5 V to a 100-V load froma 20-V source rated at 2.5W. Two proposed circuits are shown in Figure P3–95. Which one would you choose
Interface Circuit Design Using no more than three 50-V resistors, design the interface circuit in Figure P3–93 so that v 5 V and i 100 mA regardless of the value of RL. 15 V 1 + 50 ww Interface
Attenuation Analysis In Figure P3–92 a two-port attenuator connects a 600-V source to a 600-Vload. Find the power delivered to the load in terms of vS. Remove the attenuator and find the power
Audio Speaker Resistance-Matchign Network A company is producing an interface network that they claim would result in an RIN of 600 V 2 % and ROUT of 16, 8, or 4 V 2% – depending on whether the
It is claimed that both interface circuits in Figure P3–90 will deliver v ¼ 4 V to the 75-V load. Verify this claim.Which interface circuit consumes the least power?Which has an output resistance
The circuit in Figure P3–89 has a source resistance of 75 V and a load resistance of 300 V. Design the interface circuit so that the input resistance is RIN ¼ 75 V 10% and the output resistance
Design the interface circuit in Figure P3–87 so that RIN ¼ 100 V and the current delivered to the 50-V load is i ¼50 mA. Hint: Use an L-pad. 15 V 1+ 100 Interface circuit RIN FIGURE P3-87 ROUT V
Design the interface circuit in Figure P3–85 so that the power delivered to the load is 100 mW. 10 V 50 w 25 w Interface 50 Circuit FIGURE P3-85 w 100 mW 50
The bridge-T attenuation pad shown in Figure P3–84 was found in a drawer. You need an attenuation pad that would match to a 75-V source and a 75-V load and provide for a 12 dB drop of signal
Two teams are competing to design the interface circuit in Figure P3–83 so that the 25 mW 10% is delivered to the 1-kV load resistor. Their designs are shown in Figure P3–83.Which solution is
, In this problem you will design two interface circuits that deliver 150 V to the 5-kV load.(a) Design a parallel resistor interface to meet the requirements.(b) Convert the source circuit to its
Design the interface circuit in Figure P3–81 so that the voltage delivered to the load is v ¼ 10 V 10%. Use only one or more of the following standard resistors: 1.3 kV, 2 kV, 3 kV, 4.3 kV, 6.2
Figure P3–80 shows an interface circuit connecting a 15-V source to a diode load. The i-v characteristic of the diode is i ¼ 1014 (e40v – 1).(a) Design an interface circuit so that v ¼ 0.7
The source in Figure P3–79 has a 100 mA output current limit. Design an interface circuit so that the load voltage is v2 ¼ 20 V and the source current is i1
Select RL and design an interface circuit for the circuit shown in Figure P3–78 so that the load voltage is 2 V. 10 www 10 V10 k 5 Interface Circuit RL FIGURE P3-78
For the circuit of Figure P3–75 find the value of RL that will result in:(g) Maximum voltage. What is that voltage?(h) Maximum current. What is that current?(i) Maximum power. What is that power?
Find the value of R in the circuit of Figure P3–74 so that maximum power is delivered to the load.What is the value of the maximum power? 10 V +1 50 R FIGURE P3-74 5 - 2 Load
The resistance R in Figure P3–72 is adjusted until maximum power is delivered to the load consisting of R and the 15-kV resistor in parallel.(a) Find the required value of R.(b) How much power is
For the circuit of Figure P3–71 find the value of RL that will result in:(d) Maximum voltage. What is that voltage?(e) Maximum current. What is that current?(f) Maximum power. What is that power?
For the circuit of Figure P3–70 find the value of RL that will result in:(a) Maximum voltage. What is that voltage?(b) Maximum current. What is that current?(c) Maximum power. What is that power? 2
Find the Thevenin equivalent seen by RL in Figure P3–69. + I 60 V 30 RL 2012 (A) B 60 2002 FIGURE P3-69
Find the Thevenin equivalent seen by RL in Figure P3–68. 12 V 1 ww w 1 10 mA + A 1 RL B w FIGURE P3-68
Find the Norton equivalent seen by RL in Figure P3–67.Select the value of RL so that:(a) 150 mA is delivered to the load.(b) 6 V is delivered to the load.(c) 100 mW is delivered to the load. 20
A blue Light-emitting diode (LED) is connected across a two-terminal source whose Thevenin equivalent is vT ¼ 4 V and RT ¼ 20 V. The i-v characteristic of the LED is i =1012(e10v1). Figure P3–66
Find the Thevenin equivalent at terminals A and B in Figure P3–64. 10 mA 15 V A 1 + - 500 1 2 w B FIGURE P3-64
The circuit in Figure P3–63 provides power to a number of loads connected in parallel. The circuit is protected by a 3/4 mAfuse with a nominal 100 V resistance. Each load is 10 kV. What is the
Use a sequence of source transformations to find the Thevenin equivalent at terminals A and B in Figure P3–62.Then select a resistor to connect across A and B so that 5 V appears across it. ww A 15
You successfully completed Circuits I and as an undergraduatework-study, your past professor asked you to help her grade a Circuits I quiz.Onthe quiz, studentswere asked to find the power supplied by
Assume that Figure P3–58 represents a model of the auxiliary output port of a car. The output current is i¼1Awhen v ¼0 V. The output voltage is v ¼ 12 V when a 20-V resistor is connected between
The circuit in Figure P3–57 was solved earlier using supermeshes (Prob.(3–19). In this problem solve for the voltage across RL by first finding the Thevenin equivalent that the load resistor
The purpose of this problem is to use Thevenin equivalent circuits to find the voltage vX in Figure P3–56. Find the Thevenin equivalent circuit seen looking to the left of terminals A and B. Find
(a) Use OrCAD to find the Norton equivalent at terminals A and B in Figure P3–55. Hint: Find the open-circuit voltage and short-circuit current at the requisite terminals.(b) Use the Norton
Find the Thevenin equivalent seen by RL in Figure P3–54.Find the power delivered to the load when RL ¼ 50 kV and 200 kV. 24 V + | 47 91 ww 33 FIGURE P3-54 PL RL
You need to determine the Thevenin Equivalent circuit of a more complex linear circuit. A technician tells you she made two measurements using her DMM. The first was with a 10-kV load and the load
Find the Norton equivalent seen by RL in Figure P3–52.Find the current through the load for when RL ¼ 4.7 kV, 15 kV, and 68 kV. 8.1 ww 15 10 15 RL FIGURE P3-52
Find the Thevenin equivalent circuit seen by RL in Figure P3–51. Find the voltage across the load when RL ¼ 5 V, 10 V, and 20 V. 20 V + 20 www www 2012 www 20 www 20 FIGURE P3-51 20 RL
(a) Find the Thevenin or Norton equivalent circuit seen by RL in Figure P3–50.(b) Use the equivalent circuit found in (a) to find iL in terms of iS, R1, R2, and RL.(c) Check your answer in (b)
(a) Find the Thevenin or Norton equivalent circuit seen by RL in Figure P3–49.(b) Use the equivalent circuit found in (a) to find iL if RL ¼22 kV. + 1 10 www 5.6 www 15 RL )50 V FIGURE P3-49
For the circuit in Figure P3–48 find its Thevenin and Norton equivalent circuits. 100 1 A ww 100 FIGURE P3-48 VT. RT. IN
For the circuit in Figure P3–47 find its Thevenin and Norton equivalent circuits. +1 10 www 5 25 V 15 FIGURE P3-47 VT. RT. IN
When the current source is turned off in the circuit of Figure P3–46 the voltage source delivers 25 W to the load.How much power does it deliver to the load when both sources are on? Explain your
(a) Use the superposition principle to find vO in terms of v1, v2, and R in Figure P3–41 (This circuit is a 2-bit R-2R network)(b) Use MATLAB and node-voltage analysis to verify your answer
Use the superposition principle to find iO in Figure P3–40.Verify your answer using OrCAD.AppendixLO1 1 + 1 mA 10 - io 15 5 15 10 10 V + I 20 V FIGURE P3-40
Use the superposition principle to find vO in Figure P3–39.AppendixLO1 w 1 ww 10 mA 2 [ 1.5 2.5 20 mA FIGURE P3-39 + 18
Use the superposition principle to find vO in Figure P3–38.AppendixLO1 + 5.6 w 3.3 ww + VO 50V 6.8k 10 mA 15 ks FIGURE P3-38
Use the superposition principle to find iO in Figure P3–37.Verify your answer using OrCAD.AppendixLO1 6 mA FIGURE P3-37 w 2 12 V
Use the superposition principle to find vO in Figure P3–36.AppendixLO1 12 V + 200 w + Vo 200 www 200 FIGURE P3-36 + | 6 V
Use the unit output method to find K and iO in Figure P3–35.AppendixLO1 100 V 1 + 30 ww 47 ww K io 60 40 20 2 www FIGURE P3-35
Use the unit output method to findKand vO in Figure P3–34.AppendixLO1 10 V 1 + 1.5 www 1 1 K ww 2.5 2 FIGURE P3-34 + Vo
Use the unit output method to findKand vO in Figure P3–33.AppendixLO1 15 www 10 mA 47 22 ks21 FIGURE P3-33 vo
Find the proportionality constant K ¼ vO/vS for the circuit in Figure P3–32.AppendixLO1 +1 S R R2 Vo R3 R4 FIGURE P3-32 +
Find the proportionality constant K ¼ iO/iS for the circuit in Figure P3–31.AppendixLO1 R3 www RR FIGURE P3-31 R4 www io
Find the proportionality constant K ¼ vO/iS for the circuit in Figure P3–30.AppendixLO1 ist 33 ww 47 22 FIGURE P3-30 vo
Find the proportionality constant K ¼ iO/vS for the circuit in Figure P3–29.AppendixLO1 1+ 2 www FIGURE P3-29 1 www 1
Find the proportionality constant K ¼ vO/vS for the circuit in Figure P3–28.AppendixLO1 VS + I 2 ww 1 www 1 FIGURE P3-28 + vo
(a) Formulate mesh-current equations for the circuit in Figure P3–27. Arrange the results in matrix form Ax ¼ b.(b) Use MATLAB and mesh-current analysis to solve for the mesh currents iA, iB, iC,
(a) Formulate mesh-current equations for the circuit in Figure P3–26.(b) Formulate node-voltage equations for the circuit in Figure P3–26.(c) Which set of equations would be easier to solve?
In Figure P3–24 all of the resistors are 1 kV and vS ¼ 10 V.The voltage at node C is found to be vC¼2 V when node B is connected to ground. Find he node voltages vA and vD, and the mesh currents
Use mesh-current, node-voltage or simple engineering intuition to find the input resistance of the circuit in Figure P3–23.AppendixLO1 VS R www R +1 ww R ww R www RIN FIGURE P3-23 ww
(a) Formulate mesh-current equations for the circuit in Figure P3–22.(b) Formulate node-voltage equations for the circuit in Figure P3–22.(c) Which set of equations would be easier to solve?
The circuit in Figure P3–21 seems to require two supermeshes since both current sources appear in two meshes.However, sometimes rearranging the circuit diagram will eliminate the need for a
(a) Formulate mesh-current equations for the circuit in Figure P3–20.(b) Use MATLAB to find symbolic expressions for vx and ix in terms of the parameters in the circuit.(c) Find numeric values for
(a) For the circuit of Figure P3–19 solve for iA, iB and iC using two supermesh equations.(b) Use these results to find vx.AppendixLO1 is2 R2 ww ic R3 iB RA R iA isl FIGURE P3-19 Vx 1+
(a) Formulate mesh-current equations for the circuit in Figure P3–18.(b) Solve for vx and ix when R1 ¼ 2 kV, R2 ¼ 3 kV, R3 ¼500 V, R4 =2.5 kV, R5 ¼ 2 kV, iS ¼ 10 mA, and vS ¼ 24 V.(c) Find
(a) Formulate mesh-current equations for the circuit in Figure P3–17.(b) Formulate node-voltage equations for the circuit in Figure P3–17.(c) Which set of equations would be easier to solve?
(a) Formulate mesh-current equations for the circuit in Figure P3–16. Arrange the results in matrix form Ax ¼ b.(b) Solve for iA and iB.(c) Use these results to find vx and ix.AppendixLO1 Vs + 1 R
(a) Formulate mesh-current equations for the circuit in Figure P3–15. Arrange the results in matrix form Ax ¼ b.(b) Solve for iA and iB.(c) Use these results to find vx and ix.AppendixLO1 1 w 1
(a) Formulate mesh-current equations for the circuit in Figure P3–14. Arrange the results in matrix form Ax ¼ b.(b) Solve for iA, iB and iC.(c) Use these results to find vx and ix.AppendixLO1 1+
(a) Formulate mesh-current equations for the circuit in Figure P3–13. Arrange the results in matrix form Ax ¼ b.(b) Solve for iA and iB.(c) Use these results to find vx and ix.AppendixLO1 5 V + |
(a) Formulate node-voltage equations for the circuit in Figure P3–12. (Hint: use a supernode.)(b) Solve for vx and ix.AppendixLO1 ix 500 w 1 ww 10 V + 1 + 15 V ( 1.5 2 Vx FIGURE P3-12
(a) Formulate node-voltage equations for the circuit in Figure P3–11.(b) Solve for vx and ix when R1 ¼ R4 ¼ 2 kV, R2 ¼ R3 ¼500 V, Rx ¼ 750 V, and vS ¼ 15 V.AppendixLO1 Rx + Vx ww R R3 +1
(a) Formulate node-voltage equations for the circuit in Figure P3–10.(b) Solve for vx and ix when R1 ¼ R4 ¼ 2 kV, R2 ¼ R3 ¼500 V, Rx ¼ 750 V, and vs ¼ 15 V.(c) Repeat (b) when R4 is a

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