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SMU BCA SEM 3 SPRING 2015 ASSIGNMENTS
BCA-3010
1 Find the Taylors Series for (𝑥)=𝑥^3−10𝑥^2+6 about 𝑥0=3
2. Find a real root of the transcendental equation cos x – 3x+1 = 0, correct to four decimal places
using iteration method
3. Solve the equations
2x + 3y + z = 9
x + 2y + 3z = 6
3x + y + 2z = 8
by LU decomposition method.
4. Fit a second degree parabola y = a + bx + cx2 in the least square method for the following data
and hence estimate y at x = 6.
X 1 2 3 4 5
Y 10 12 13 16 19
5. The population of a certain town is shown in the following table
Year X 1931 1941 1951 1961 1971
Population Y 40.62 60.80 79.95 103.56 132.65
6. Solve of yn+2−2 Cos ayn+1+yn=Cos an.
BCA-3020
1 What is Database? Explain its properties.
2 Write the functions of the following
(a) Storage Manager
(b)Buffer Manager
3 List and explain the important responsibilities of database manager.
4. What is Relational Database Management System? Explain three aspects of RDBMS.
5 What do you mean by Embedded SQL? How do you declare variables and exceptions?
6 What are the disadvantages of Data Distribution?
BCA-3030
1 Differentiate CISC with RISC.
2 Explain about the Sockets and slots of the Motherboard.
3 Define the following

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a. Front Sided Bus
b. Dual Independent Bus
4 What are the advantages and disadvantages of switching power circuit?
5 Discuss any fiveguidelines that we need to follow whiletroubleshooting the hardware problem.
6 Explain DirectX.
BCA-3040
1 What is modulation? Explain why modulation is required?
2 Write short note on:
1. Ground WavePropagation
2. Sky WavePropagation
3 Briefly explain Nyquist theorem withmathematical representation.
4 What is Time-division multiplexing (TDM)?Explain.
5 Write short note on:
1. Least-Cost Algorithms
2. Dijkstra’s Algorithm
6 What are the requirements of Wirelesses LAN? Explain briefly
BCA-3050
1 (a) Explain any two personality characteristics in an organization
(b)Explain the POSECmethod of time management
2 Why are goals important? Why should they be SMART?
3 (a) How does Jung explain the traits of personality?
(b)What is self-image? How is it created?
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