Spring 2012

Bachelor of Computer Applications (BCA) – Semester

Computer Oriented Numerical Methods– 4 Credits

(Book ID: B0804)

Assignment Set – 1 (60 Marks)

Answer All Questions 6 X 10 = 60 Marks

1. Give statement of Lagrange Mean value Theorem and Verify Lagrange’s mean value

theorem for the function f(x) = 3 x2 – 5x + 1 defined in interval [2, 5] .

2. Use Bisection method to solve defined in the interval [1,2]

3. Test for consistency and solve

x + 2y + 2z = 1

2x + y + z = 2

3x + 2y + 2z = 3

y + z = 0.

4. Find all the eigen values and the corresponding eigen vectors for the matrix

A =

520

262

027

5. Use the method of group averages and find a curve of the form y = mxn, that fits the

following data:

X 10 20 30 40 50 60 70 80

Y 1 1.30 1.6 1.60 1.80 1.9 2.01 2.11

6. By Newton’s divided difference formula find the equation of the cubic curve which

passes through the points (4, – 43), (7, 83), (9, 327) and (12, 1053). Hence find f(10).

Spring 2012

Bachelor of Computer Applications (BCA) – Semester

Computer Oriented Numerical Methods– 4 Credits

(Book ID: B0804)

Assignment Set – II (60 Marks)

Answer All Questions 6 X 10 = 60 Marks

1. Given that

x 1.0 1.1 1.2 1.3 1.4 1.5 1.6

y 7.989 8.403 8.781 9.129 9.451 9.750 10.031

Using Newton’s backward difference formula find dx

dy and

2

2

dx

yd at (a) x = 1.1

(b) x = 1.6

2. Evaluate 1

0

2 dxx using trapezoidal rule with h = 02.

3. Apply Taylor’s series method to obtain approximate value of y at x = 0.2 for the

differential equation y = 2y + 3ex, y(0) = 0.

4. Find the solution for x = 0.1 and x = 0.2 by Euler’s method for the equation

1 , (0) 0.dy

y ydx

5. Solve 2

2

2

2

y

u

x

u

= 8x2y2 in the square mesh given u = 0 on the four boundaries

dividing the square into 16 subsquares of length 1 unit.

6. Given the equation 23 1

dyx

dx with y (1) = 2, estimate y(2) by Eulers method

using (i) h = 0.5 and (ii) h = 0.25.

Spring 2012

Bachelor of Computer Application (BCA) – Semester 3

BC0044 – Accounting and Financial Management – 4 Credits

(Book ID: B0805)

Assignment Set – 1 (60 Marks)

Answer all the questions.

1. Journalise the following transactions: (10 Marks)

01.01.09 Bought goods for Rs.10,000

02.01.09 Purchased goods from X Rs.20,000

03.01.09 Bought goods from Y for Rs.30,000 against a current dated cheque

04.01.09 Purchased goods from Z [price list price is Rs.30,000 and trade

discount is 10%]

05.01.09 Bought goods of the list prce of Rs.1,25,000 from M less 20% trade

discount and 2% cash discount. Paid 40% of the amount by cheque

06.01.09 Returned 10% of the goods supplied by X

07.01.09 Returned 10% of the goods supplied by Y

1. Explain errors of omission and errors of commission. (10 Marks)

2. From the following balances extracted from Trial balance, prepare Trading Account.

The closing stock at the end of the period is Rs. 56000 (20 Marks)

Particulars Amount in Rs.

Stock on 1-1-2004 70700

Returns inwards 3000

Returns outwards 3000

Purchases 102000

Debtors 56000

Creditors 45000

Carriage inwards 5000

Carriage outwards 4000

Import duty on materials received from

abroad

6000

Clearing charges 7000

Rent of business shop 12000

Royalty paid to extract materials 10000

Fire insurance on stock 2000

Wages paid to workers 8000

Office salaries 10000

Cash discount 1000

Gas, electricity and water 4000

Sales 250000

3. Why wealth maximization is superior to profit maximization? (10 Marks)

4. Following are the extracts from the Trial Balance of a firm as on 31st March 20X7

Dr Cr

Sundry Debtors 2,05,000

Provision for Doubtful Debts 10,000

Provision for Discount on Debtors 1,800

Bad Debts 3,000

Discount 1,000

Additional Information:

1) Additional Bad Debts required Rs.4,000

2) Additional Discount allowed to Debtors Rs.1,000

3) Maintain a provision for bad debts @ 10% on debtors

4) Maintain a provision for discount @ 2% on debtors

Required: Pass the necessary journal entries and show the relevant accounts including final

accounts.

Spring 2012

Bachelor of Computer Application (BCA) – Semester 3

BC0044 – Accounting and Financial Management – 4 Credits

(Book ID: B0805)

Assignment Set – 2 (60 Marks)

Answer all the questions. Each question carries 10 marks

1. What is over capitalization? How do we know over capitalization has occurred? 2. Explain permanent and temporary working capital.

3. A. What are the assumptions of EOQ Model.? B. Consider the following data of X Ltd. Calculate EOQ

Annual usuage = 10000 units

Fixed cost per order = Rs.150

Purchase price per unit = Rs.20

Carrying cost = 25 percent

4. Explain the objectives of cash management

5. The income statement of Vignesh Ltd is as follows:

To Opening Stock 2,00,000 By Sales 12,00,000

Purchases 8,00,000 Closing Stock 1,00,000

Direct Expenses 1,00,000

Gross Profit 2,00,000

13,00,000 13,00,000

To Admn Expenses 1,00,000 By Gross Profit 2,00,000

Selling Expenses 80,000 Profit on sale of 60,000

Investments

Non-Operating exp 40,000 Dividends received 40,000

Net Profit 80,000

3,00,000 3,00,000

Calculate the Gross Profit Ratio, Net Profit Ratio, Operating Ratio, Operating Profit Ratio and

Expense Ratio.

6. Explain the steps involved in Funds Flow statement.

Sprint 2012

Bachelor of Computer Application (BCA) – Semester 3

BC0045 – Structured System Analysis & Design – 4 Credits

(Book ID: B0806)

Assignment Set – 1 (60 Marks)

Each question carries six marks 10 x 6 = 60

1. Explain different categories of the system

2. How do you and your organization define system? Mention the

systems that require engineering.

3. What is the frame of reference and operating domain for your

business organization and systems, products, or the services it

provides?

4. Explain the guiding principles that govern system acceptability.

5. Give the overview of system life cycle.

6. Explain the types of behavior patterns emerge when systems

interact with their Operating environment.

7. Contact a system development program in your organization. Research how

they analyzed their SYSTEM OF INTEREST (SOI), its OPERATING

ENVIRONMENT, and their respective system elements. How was this analysis

reflected in the SOI architecture?

8. Discuss the concepts of operating environment?

9. Explain different types of physical interface?

10. For your organization, identify the following related to the systems, product, or

services it provides:

a. Problem space(s)

b. Opportunity space(s)

c. Solution space(s)

Sprint 2012

Bachelor of Computer Application (BCA) – Semester 3

BC0045 – Structured System Analysis & Design – 4 Credits

(Book ID: B0806)

Assignment Set – 2 (60 Marks)

Each question carries six marks 10 x 6 = 60

1. What is the frame of reference and operating domain for your business

organization and systems, products, or the services it provides?

2. What do you understand from Organizational Aspects of system Life

Cycles?

3. Create your own definitions of a system. Based on the “system” definitions.

a. Identify your viewpoint of shortcomings in the definitions.

b. Provide rationale as to why you believe that your definition overcomes

those shortcomings.

c. From an historical perspective, identify three precedented systems that

were replaced by unprecedented systems.

4. Identify and bound the Higher Order Systems, Physical Systems Environment,

Mission System, and Support System.

5. State all the system decomposition and integration design guidelines.

6. Identify three types of systems or system upgrades that may be ideal

candidates for a Waterfall Development Model strategy.

7. List all the steps involved in mission analysis.

8. Identify three types of systems or system upgrades that may be ideal

candidates for a Spiral Development Model strategy.

9. Discuss the concept of specification development checklist.

10. Explain in brief the four primary system development models.

Sprint 2012

Bachelor of Computer Application (BCA) – Semester 3

BC0046 – Microprocessor – 4 Credits

(Book ID: B0807)

Assignment Set – 1 (60 Marks)

Each question carries six marks 10 x 6 = 60

1. Convert the hexadecimal number A45C to octal and Decimal.

2. Write an assembly program to find the smallest among two

numbers.

3. Explain the internal architecture of 8086.

4. Find the 2’s compliment of the word in AX without using NEG

instruction.

5. Explain the concept of Linking and Relocation.

6. Write a sequence of instructions using string instructions wherever necessary to

check whether a byte stored in AL is present in array of 10 bytes stored in the

memory. Store the number of occurrences of the byte in register AH.

7. Draw a flowchart showing a block of N bytes are input to memory

using Programmed IO, using a block transfer.

8. Explain how virtual address is converted into physical address.

9. Explain 8284A clock generator.

10. Explain the pin diagram of 8087 numeric Data processor.

Sprint 2012

Bachelor of Computer Application (BCA) – Semester 3

BC0046 – Microprocessor – 4 Credits

(Book ID: B0807)

Assignment Set – 2 (60 Marks)

Each question carries six marks 10 x 6 = 60

1. Subtract the hexadecimal number 1234 from DA57 using two’s complement

addition method.

2. Write a program to convert a 2-digit BCD number into hexadecimal.

3. Explain different Condition flags available in 8086.

4. Explain different addressing modes of 8086.

5. Write a sequence of instructions to exchange two register contents using stack.

6. Write a code segment to find the square of a byte available in register AL using

XLAT instruction.

7. What is pure code? List some applications of pure code.

8. Differentiate between data coupling and control coupling

9. Explain the 8288 Bus controller.

10. Write a note on Virtual memory.

Winter 2011

Bachelor of Computer Application (BCA) – Semester 3

BC0042 – Operating Systems – 4 Credits

(Book ID: B0682)

Assignment Set – 1 (60 Marks)

Answer All Questions and they carry Equal Marks

1. What is kernel? What are the main components of a kernel? 2. Which Operating systems are best suitable for following devices?

a) Weather forecasting, animated graphics, Exploring petrol mines b) Inventory systems, Centralized billing systems c) Home Computers, Standalone systems d) Micro wave ovens, Washing machines e) Mobile Phones, Handheld devices

3.

Users

? ?

? ?

?

?

1. Which Operating system has this architecture?

2. Identify the

names of four layers:

3. Identify the components of each layer

1. Which Operating system has this architecture?

2. Identify the

names of each

layers:

?

?

?

?

4. Use First Come First Serve algorithm to schedule process given:

Process Burst Time

P1 7

P2 5

P3 8

P4 2

P5 3

5. What do you mean by deadlock? 6. What is mutual exclusion? What are its requirements?

Winter 2011

Bachelor of Computer Application (BCA) – Semester 3

BC0042 – Operating Systems – 4 Credits

(Book ID: B0682)

Assignment Set – 2 (60 Marks)

Answer All Questions and they carry Equal Marks

1. What are the two types of fragmentations? Illustrate them with block diagrams. 2. Write a note on Livelock and Killing Zombies. 3. List out the conditions that result in Deadlock situations. Illustrate deadlock

situation with a simple graphical notation. 4. Discuss the file structure? Explain the various access modes. 5. With an example illustrate file access modes: Sequential, Indexed and Random

modes.

6. What is the advantage of Direct Memory Access? Briefly explain the timing mechanisms that can be used in data transfer through DMA.