SEM 3 BCA SUMMER 2014 SOLVED ASSIGNMENTS

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SEM 3 BCA SUMMER 2014 ASSIGNMENTS

BCA3010 -COMPUTER ORIENTED NUMERICAL METHODS

1 Solve the system of equation by matrix inversion method

x +y +z = 1

x +2y + 3z = 6

x + 3y +4z = 6

10 10

2. Find all eigen values and the corresponding eigen vectors of the matrix

A = I 8 – 6 2 I

I 6 7 4 I

I 2 4 3 I

3. Find the cubic polynomial which takes the following values y(0) = 1, y(1) = 0, y(2) = 1 and y(3) = 10. Hence or otherwise, obtain y (0.5).

4. Find the approximate value of ò p/2,0 √ cos q dq by Simpson’s 1/3rd rule by dividing [0, p/2] into 6 equal parts.

5. Use Picard’s method of successive approximations to find y1,y2, y3 to the solution of the initial value problem

BCA3020 – Data Base Management System(DBMS)

1 Explain the functions of the following

(a) Entities

(b) Attributes

2 Write the functions of the following

(a) Storage Manager

(b) Buffer Manager

3 List and explain the important responsibilities of database manager.

4 Explain the Sequential File Organization with the help of diagrams.

5 Explain basic operations of Relational algebra?

6 What are the disadvantages of Data Distribution

7 Write a note on the following

a) SUBSET Mapping

b) SUPERSET Mapping

BCA3030 -UNDERSTANDING PC & TROUBLE SHOOTING

1 Differentiate CISC with RISC.

2 Explain about the Sockets and slots of the Motherboard.

3 Define the following

a. Front Sided Bus

b. Dual Independent Bus

4 What are the advantages and disadvantages of switching power circuit?

5 Discuss any five guidelines that we need to follow while troubleshooting the hardware problem.

6 Explain DirectX.

BCA 3040– DATA COMMUNICATION

1 What is Transmission Impairments? Briefly explain the problems challenged by Transmission lines.

2 Briefly explain the communication channel with an example.

3 What is modulation? Explain why modulation is required?

4 Briefly explain Guided Transmission Media and its types.

5 Briefly explain Nyquist theorem with mathematical representation.

6 What is Congestion control? How Backpressure is capable of controlling Congestion.

BCA3050 – Soft Skill – Personality Development

1 (a) Explain any two personality characteristics in an organization

(b) Explain the POSEC method 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?